Added POC driver for reading directly from PLC
This commit is contained in:
Patrick McDonagh
367
POCloud/direct/poc.py
Normal file
367
POCloud/direct/poc.py
Normal file
@@ -0,0 +1,367 @@
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#!/usr/bin/python
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import types
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import traceback
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import binascii
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import threading
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import time
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import thread
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import os
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import struct
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import sys
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import serial
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import minimalmodbus
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import pickle
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from device_base import deviceBase
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# from datetime import datetime
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from pycomm.ab_comm.clx import Driver as ClxDriver
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import logging
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from collections import deque
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import requests
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try:
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import json
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except:
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import simplejson as json
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import calendar
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data_source = "PLC"
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plc_ip = '192.168.1.10'
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def readTag(addr, tag):
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logging.basicConfig(
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filename="ClxDriver.log",
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format="%(levelname)-10s %(asctime)s %(message)s",
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level=logging.DEBUG
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)
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c = ClxDriver()
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if c.open(addr):
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try:
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v = c.read_tag(tag)
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# print(v)
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return v
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except Exception:
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err = c.get_status()
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c.close()
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print err
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pass
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c.close()
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def writeTag(addr, tag, val):
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logging.basicConfig(
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filename="ClxDriver.log",
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format="%(levelname)-10s %(asctime)s %(message)s",
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level=logging.DEBUG
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)
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c = ClxDriver()
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if c.open(addr):
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try:
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# typ = getTagType(addr, tag)
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cv = c.read_tag(tag)
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wt = c.write_tag(tag, val, cv[1])
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# print(wt)
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return wt
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except Exception:
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err = c.get_status()
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c.close()
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print err
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pass
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c.close()
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class Channel():
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global plc_ip
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def __init__(self, mesh_name, plc_tag, data_type, chg_threshold, guarantee_sec):
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self.mesh_name = mesh_name
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self.plc_tag = plc_tag
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self.data_type = data_type
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self.last_value = None
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self.value = None
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self.last_send_time = 0
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self.chg_threshold = chg_threshold
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self.guarantee_sec = guarantee_sec
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def read(self, forceSend):
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if self.plc_tag:
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v = readTag(plc_ip, self.plc_tag)
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if v:
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if self.data_type == 'boolean' or self.data_type == 'str':
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if (self.last_send_time == 0) or (self.value is None) or not (self.value == v[0]) or ((time.time() - self.last_send_time) > self.guarantee_sec) or (forceSend):
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self.last_value = self.value
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self.value = v[0]
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return True
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else:
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return False
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else:
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if (self.last_send_time == 0) or (self.value is None) or (abs(self.value - v[0]) > self.chg_threshold) or ((time.time() - self.last_send_time) > self.guarantee_sec) or (forceSend):
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self.last_value = self.value
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self.value = v[0]
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return True
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else:
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return False
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else:
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return False
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return False
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go_channels = {
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"percent_run": Channel('go_percent_run', 'GAUGEOFF_Percent_Run', 'float', 0, 0),
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"kWh": Channel('go_kwh', 'GAUGEOFF_kWh', 'float', 0, 0),
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'kWh_regen': Channel('go_kwh_regen', 'GAUGEOFF_kWh_regen', 'float', 0, 0),
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"electricity_cost": Channel('go_electricity_cost', 'GAUGEOFF_Electricity_Cost', 'float', 0, 0),
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'peak_load': Channel('go_peak_load', 'GAUGEOFF_Max_Load', 'float', 0, 0),
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'min_load': Channel('go_min_load', 'GAUGEOFF_Min_Load', 'float', 0, 0),
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'polished_rod_HP': Channel('go_polished_rod_hp', 'GAUGEOFF_Polished_Rod_HP', 'float', 0, 0),
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'average_SPM': Channel('go_average_spm', "GAUGEOFF_Average_SPM", 'float', 0, 0),
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'lifting_cost': Channel('go_lifting_cost', "GAUGEOFF_Lifting_Cost", 'float', 0, 0),
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'full_card_production': Channel('go_full_card_production', "GAUGEOFF_Full_Card_Production", 'float', 0, 0),
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'fluid_above_pump': Channel('go_fluid_above_pump', 'GAUGEOFF_Fluid_Above_Pump', 'float', 0, 0),
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'production_calculated': Channel('go_production_calculated', 'GAUGEOFF_Production_Calculated', 'float', 0, 0),
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'inflow_rate': Channel('go_inflow_rate', 'GAUGEOFF_Inflow_Rate', 'float', 0, 0),
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'pump_intake_pressure': Channel('go_pump_intake_pressure', 'GAUGEOFF_pump_intake_pressure', 'float', 0, 0)
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}
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statusCh = Channel('status', 'Pump.Run_Status', 'str', 0, 0)
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channels = {
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'downhole_adjusted_gross_stroke': Channel('downhole_adjusted_gross_stroke', 'Card_Past[1].Downhole_AdjustedGrossStroke', 'float', 5.0, 3600),
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'downhole_fluid_load': Channel('downhole_fluid_load', 'Card_Past[1].Downhole_FluidLoad', 'float', 100.0, 3600),
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'downhole_gross_stroke': Channel('downhole_gross_stroke', 'Card_Past[1].Downhole_GrossStroke', 'float', 1.0, 3600),
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'downhole_max_position': Channel('downhole_max_position', 'Card_Past[1].Downhole_Max_Position.Position', 'float', 1.0, 3600),
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'downhole_min_position': Channel('downhole_min_position', 'Card_Past[1].Downhole_Min_Position.Position', 'float', 1.0, 3600),
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'downhole_net_stroke': Channel('downhole_net_stroke', 'Card_Past[1].Downhole_NetStroke', 'float', 1.0, 3600),
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'fillage_percent': Channel('fillage_percent', 'Card_Past[1].Fillage_Percent', 'float', 1.0, 3600),
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'fluid_above_pump': Channel('fluid_above_pump', 'Card_Past[1].Fluid_Above_Pump', 'float', 10.0, 3600),
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'fluid_gradient': Channel('fluid_gradient', 'Card_Past[1].Params.Fluid_Gradient', 'float', 0, 3600),
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'polished_rod_hp': Channel('polished_rod_hp', 'Card_Past[1].Polished_Rod_HP', 'float', 0.5, 3600),
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'pump_hp': Channel('pump_hp', 'Card_Past[1].Pump_HP', 'float', 0.5, 3600),
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'pump_intake_pressure': Channel('pump_intake_pressure', 'Card_Past[1].Pump_Intake_Pressure', 'float', 10.0, 3600),
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'stroke_production': Channel('stroke_production', 'Stroke_Production', 'float', 0.0005, 3600),
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'surface_max_load': Channel('surface_max_load', 'Card_Past[1].Surface_Max.Load', 'float', 100.0, 3600),
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'surface_min_load': Channel('surface_min_load', 'Card_Past[1].Surface_Min.Load', 'float', 100.0, 3600),
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'surface_stroke_length': Channel('surface_stroke_length', 'Card_Past[1].Surface_StrokeLength', 'float', 1.0, 3600),
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'tubing_movement': Channel('tubing_movement', 'Card_Past[1].Tubing_Movement', 'float', 1.0, 3600),
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'SPM': Channel('SPM', 'Card_Past[1].SPM', 'float', 0.5, 3600),
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'drive_torque_mode': Channel('drive_torque_mode', 'DriveTorqueMode', 'boolean', 0, 3600),
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'dt': Channel('dt', 'Card_Past[1].Params.dt', 'float', 0.001, 3600),
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'speed_reference': Channel('speed_reference', 'Pump_PF755.PSet_SpeedRef', 'float', 5.0, 3600),
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'stuffing_box_friction': Channel('stuffing_box_friction', 'Card_Past[1].Params.Stuffing_Box_Friction', 'float', 1.0, 3600),
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'torque_reference': Channel('torque_reference', 'PF755_Drive:O.TrqRefAStpt', 'float', 1.0, 3600),
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'tubing_head_pressure': Channel('tubing_head_pressure', 'Card_Past[1].Params.Tubing_Head_Pressure', 'float', 5.0, 3600),
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}
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dt_channels = { # Current Daily Totals
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'Average_SPM': Channel('dt_average_spm', 'TODAY_Average_SPM', 'float', 0.5, 3600),
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'Calculated_Production': Channel('dt_calculated_production', 'TODAY_Production_Calculated', 'float', 10.0, 3600),
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'Downhole_Net_Stroke': Channel('dt_downhole_net_stroke', 'TODAY_Downhole_NetStroke', 'float', 1.0, 3600),
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'Electricity_Cost': Channel('dt_electricity_cost', 'TODAY_Electricity_Cost', 'float', 0.1, 3600),
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'Fluid_Level': Channel('dt_fluid_level', 'TODAY_Fluid_Above_Pump', 'float', 10.0, 3600),
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'Full_Card_Production': Channel('dt_full_card_production', 'TODAY_Full_Card_Production', 'float', 10.0, 3600),
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'Inflow_Rate': Channel('dt_inflow_rate', 'TODAY_Inflow_Rate', 'float', 10.0, 3600),
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'Lifting_Cost': Channel('dt_lifting_cost', 'TODAY_Lifting_Cost', 'float', 0.01, 3600),
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'Min_Load': Channel('dt_min_load', 'TODAY_Min_Load', 'float', 100.0, 3600),
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'Peak_Load': Channel('dt_peak_load', 'TODAY_Max_Load', 'float', 100.0, 3600),
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'Percent_Run': Channel('dt_percent_run', 'TODAY_Percent_Run', 'float', 1.0, 3600),
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'Polished_Rod_HP': Channel('dt_polished_rod_hp', 'TODAY_Polished_Rod_HP', 'float', 1.0, 3600),
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'Projected_Production': Channel('dt_projected_production', 'TODAY_Production_Projected', 'float', 5.0, 3600),
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'Pump_HP': Channel('dt_pump_hp', 'TODAY_Pump_HP', 'float', 1.0, 3600),
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'Pump_Intake_Presure': Channel('dt_pump_intake_pressure', 'TODAY_Pump_Intake_Pressure', 'float', 10.0, 3600),
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'Surface_Stroke_Length': Channel('dt_surface_stroke_length', 'TODAY_Surface_StrokeLength', 'float', 1.0, 3600),
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'Tubing_Movement': Channel('dt_tubing_movement', 'TODAY_Tubing_Movement', 'float', 1.00, 3600),
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'kWh': Channel('dt_kWh', 'TODAY_kWh', 'float', 10.0, 3600),
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'kWh_Regen': Channel('dt_kWh_regen', 'TODAY_kWh_Regen', 'float', 1.0, 3600)
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}
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class Card():
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global plc_ip
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def __init__(self, unified_time):
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self.sc = []
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self.dc = []
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self.sent = False
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self.read_time = unified_time
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self.readCard()
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def readCard(self):
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self.card_id = readTag(plc_ip, "Card_Past[1].ID")[0]
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self.num_points = int(readTag(plc_ip, "Card_Past[1].Num_Points")[0])
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for i in range(0, self.num_points):
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self.sc.append([round(float(readTag(plc_ip, 'Card_Past[1].Surface_Position[{}]'.format(i))[0]), 3), round(float(readTag(plc_ip, 'Card_Past[1].Surface_Load[{}]'.format(i))[0]), 3)])
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self.dc.append([round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Position[{}]'.format(i))[0]), 3), round(float(readTag(plc_ip, 'Card_Past[1].Downhole_Load[{}]'.format(i))[0]), 3)])
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def stringify(self):
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''' returns a list of two strings [surface card, downhole card]'''
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sc_str = "["
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dc_str = "["
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for i in range(0, self.num_points):
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sc_str = sc_str + "[{},{}],".format(self.sc[i][0], self.sc[i][1])
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dc_str = dc_str + "[{},{}],".format(self.dc[i][0], self.dc[i][1])
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sc_str = sc_str[:-1] + "]"
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dc_str = dc_str[:-1] + "]"
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return[sc_str, dc_str]
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class start(threading.Thread, deviceBase):
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def __init__(self, name=None, number=None, mac=None, Q=None, mcu=None, companyId=None, offset=None, mqtt=None, Nodes=None):
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threading.Thread.__init__(self)
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deviceBase.__init__(self, name=name, number=number, mac=mac, Q=Q, mcu=mcu, companyId=companyId, offset=offset, mqtt=mqtt, Nodes=Nodes)
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self.daemon = True
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self.forceSend = True
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self.version = "3"
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self.device_address = "http://192.168.1.30/"
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# self.device_address = "http://localhost/"
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self.cardLoopTimer = 600
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self.finished = threading.Event()
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threading.Thread.start(self)
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self.statusChanged = False
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self.al_status_last = False
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self.dl_status_last = False
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self.card_storage = deque([]) # array of the last x cards
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self.card_storage_limit = 5
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self.last_card_sent_time = 0
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# load stored event ID's
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try:
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with open('eventIds.p', 'rb') as handle:
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self.eventIds = pickle.load(handle)
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print "found pickled eventID dictionary: {0}".format(self.eventIds)
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except:
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print "couldn't load enent ID's from pickle"
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self.eventIds = []
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# load stored wellconfig's
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try:
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with open('wellSetup.p', 'rb') as handle:
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self.wellSetup = pickle.load(handle)
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print "Found pickled Well Setup (but it's going to be too long to print)"
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# print self.wellConfig
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except:
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print "couldn't load Well Setup from pickle"
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self.wellSetup = []
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self.sendtodbJSON("device_address", self.device_address, 0)
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# this is a required function for all drivers, its goal is to upload some piece of data
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# about your device so it can be seen on the web
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def register(self):
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channels["status"]["last_value"] = ""
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def channelCheck(self, c, force):
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if c.read(force):
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self.sendtodbJSON(c.mesh_name, c.value, 0)
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def run(self):
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self.runLoopStatus = ""
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while True:
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try:
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self.statusChanged = False
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runLoopStatus = "checkStatus"
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if self.checkStatus():
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self.statusChanged = True
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# TODO Add event logic here
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runLoopStatus = "Daily Total Loop"
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for dt in dt_channels:
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self.channelCheck(dt_channels[dt], self.forceSend)
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runLoopStatus = "checkGaugeOffData"
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# self.checkGaugeOffData()
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runLoopStatus = "Stroke Parameter Data"
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for ch in channels:
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self.channelCheck(channels[ch], self.forceSend)
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runLoopStatus = "Reading Cards"
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if len(self.card_storage) > 0:
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if not readTag(plc_ip, "Card_Past[1].ID")[0] == self.card_storage[0].card_id:
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current_time = time.time()
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current_card = Card(current_time)
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self.sendtodbJSON("card_history", current_card.card_id, current_time)
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if (current_card.read_time - self.last_card_sent_time) > self.cardLoopTimer or self.forceSend:
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cards = current_card.stringify()
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self.sendtodbJSON("sc", cards[0], current_time)
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self.sendtodbJSON("dc", cards[1], current_time)
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current_card.sent = True
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self.card_storage.appendleft(current_card)
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while len(self.card_storage) > self.card_storage_limit:
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self.card_storage.pop()
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if self.statusChanged:
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for c in self.card_storage:
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if not c.sent:
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cstr = c.stringify()
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self.sendtodbJSON("sc", cstr[0], c.read_time)
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self.sendtodbJSON("dc", cstr[1], c.read_time)
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runLoopStatus = "Complete"
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time.sleep(3)
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self.forceSend = False
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except Exception, e:
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sleep_timer = 20
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print "Error during {0} of run loop: {1}\nWill try again in {2} seconds...".format(runLoopStatus, e, sleep_timer)
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time.sleep(sleep_timer)
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def checkStatus(self):
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print("!! Made it to checkStatus")
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print(readTag)
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statusMap = {
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0: 'Stopped',
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1: 'Running',
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2: 'Pumped Off',
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3: 'Faulted',
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4: 'Starting',
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5: 'Recovering',
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100: 'Read Error',
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1000: 'PLC Error',
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9999: 'No Response'
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}
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status = statusMap[int(readTag(plc_ip, "Pump.Run_Status")[0])]
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if status:
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date = time.time()
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if statusCh.last_value != status:
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self.statusChanged = True
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print "Status has changed from {0} to {1} @ {2}".format(statusCh.last_value, status, time.time())
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else:
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self.statusChanged = False
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return False
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if self.statusChanged or self.forceSend:
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self.status = status
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self.sendtodb("status", status, date)
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statusCh.last_value = status
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return status
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def checkEvents(self):
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data = json.loads(requests.get(self.device_address + "/json/event_list").text)
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events = data["events"]
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for event in events:
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if int(event["id"]) not in self.eventIds:
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timestamp = calendar.timegm(time.strptime(event["datetime"], '%Y-%m-%dT%H:%M:%S.%fZ'))
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# we have a new event
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self.sendtodbJSON("events", json.dumps(event), timestamp)
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self.eventIds.append(int(event["id"]))
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if len(self.eventIds) > 50:
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del self.eventIds[0]
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with open('eventIds.p', 'wb') as handle:
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pickle.dump(self.eventIds, handle)
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def poc_sync(self, name, value):
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self.sendtodb("connected", "true", 0)
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return True
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def poc_set_address(self, name, value):
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self.device_address = value
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return True
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def poc_refresh_data(self, name, value):
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self.forceSend = True
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return True
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