356 lines
9.6 KiB
Python
356 lines
9.6 KiB
Python
import minimalmodbus
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import time, json
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minimalmodbus.BAUDRATE = 9600
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minimalmodbus.STOPBITS = 1
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fmaddress = 110
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daddress = 1
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with open("/root/python_firmware/persist.json", "r") as f:
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temp = json.load(f)
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daddress = temp.get("drive", 1)
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fmaddress = temp.get("flowmeter", 247)
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def volume_units(vunit):
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units = {
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0: "cm cubed/s",
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1: "cm cubed/min",
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2: "cm cubed/h",
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3: "cm cubed/d",
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4: "dm cubed/s",
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5: "dm cubed/min",
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6: "dm cubed/h",
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7: "dm cubed/d",
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8: "m cubed/s",
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9: "m cubed/min",
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10: "m cubed/h",
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11: "m cubed/d",
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12: "ml/s",
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13: "ml/min",
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14: "ml/h",
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15: "ml/d",
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16: "l/s",
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17: "l/min",
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18: "l/h (+)",
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19: "l/d",
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20: "hl/s",
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21: "hl/min",
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22: "hl/h",
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23: "hl/d",
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24: "Ml/s",
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25: "Ml/min",
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26: "Ml/h",
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27: "Ml/d",
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32: "af/s",
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33: "af/min",
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34: "af/h",
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35: "af/d",
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36: "ft cubed/s",
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37: "ft cubed/min",
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38: "ft cubed/h",
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39: "ft cubed/d",
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40: "fl oz/s (us)",
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41: "fl oz/min (us)",
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42: "fl oz/h (us)",
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43: "fl oz/d (us)",
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44: "gal/s (us)",
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45: "gal/min (us)",
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46: "gal/h (us)",
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47: "gal/d (us)",
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48: "Mgal/s (us)",
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49: "Mgal/min (us)",
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50: "Mgal/h (us)",
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51: "Mgal/d (us)",
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52: "bbl/s (us;liq.)",
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53: "bbl/min (us;liq.)",
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54: "bbl/h (us;liq.)",
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55: "bbl/d (us;liq.)",
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56: "bbl/s (us;beer)",
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57: "bbl/min (us;beer)",
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58: "bbl/h (us;beer)",
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59: "bbl/d (us;beer)",
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60: "bbl/s (us;oil)",
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61: "bbl/min (us;oil)",
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62: "bbl/h (us;oil)",
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63: "bbl/d (us;oil)",
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64: "bbl/s (us;tank)",
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65: "bbl/min (us;tank)",
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66: "bbl/h (us;tank)",
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67: "bbl/d (us;tank)",
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68: "gal/s (imp)",
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69: "gal/min (imp)",
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70: "gal/h (imp)",
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71: "gal/d (imp)",
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72: "Mgal/s (imp)",
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73: "Mgal/min (imp)",
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74: "Mgal/h (imp)",
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75: "Mgal/d (imp)",
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76: "bbl/s (imp;beer)",
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77: "bbl/min (imp;beer)",
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78: "bbl/h (imp;beer)",
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79: "bbl/d (imp;beer)",
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80: "bbl/s (imp;oil)",
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81: "bbl/min (imp;oil)",
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82: "bbl/h (imp;oil)",
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83: "bbl/d (imp;oil)",
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88: "kgal/s (us)",
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89: "kgal/min (us)",
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90: "kgal/h (us)",
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91: "kgal/d (us)",
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92: "MMft cubed/s",
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93: "MMft cubed/min",
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94: "MMft cubed/h",
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96: "Mft cubed/d"
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}
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return units[vunit]
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def totalizer_units(tunit):
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units = {
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0: "cm cubed",
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1: "dm cubed",
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2: "m cubed",
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3: "ml",
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4: "l",
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5: "hl",
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6: "Ml Mega",
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8: "af",
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9: "ft cubed",
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10: "fl oz (us)",
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11: "gal (us)",
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12: "Mgal (us)",
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13: "bbl (us;liq.)",
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14: "bbl (us;beer)",
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15: "bbl (us;oil)",
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16: "bbl (us;tank)",
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17: "gal (imp)",
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18: "Mgal (imp)",
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19: "bbl (imp;beer)",
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20: "bbl (imp;oil)",
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22: "kgal (us)",
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23: "Mft cubed",
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50: "g",
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51: "kg",
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52: "t",
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53: "oz",
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54: "lb",
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55: "STon",
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100: "Nl",
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101: "Nm cubed",
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102: "Sm cubed",
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103: "Sft cubed",
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104: "Sl",
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105: "Sgal (us)",
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106: "Sbbl (us;liq.)",
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107: "Sgal (imp)",
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108: "Sbbl (us;oil)",
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109: "MMSft cubed",
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110: "Nhl",
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251: "None"
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}
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return units[tunit]
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def int_to_bits(n,x):
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return pad_to_x([int(digit) for digit in bin(n)[2:]],x) # [2:] to chop off the "0b" part
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def pad_to_x(n,x):
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while len(n) < x:
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n = [0] + n
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return n
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def status_codes(n):
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status_array = int_to_bits(n,16)
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status_low = {
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0: "Stopped;",
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1: "Operating in Forward;",
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2: "Operating in Reverse;",
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3: "DC operating;"
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}
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status_mid = {
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0: "",
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1: "Speed searching;",
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2: "Accelerating;",
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3: "At constant speed;",
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4: "Decelerating;",
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5: "Decelerating to stop;",
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6: "H/W OCS;",
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7: "S/W OCS;",
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8: "Dwell operating;"
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}
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status_high = {
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0: "Normal state",
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4: "Warning occurred",
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8: "Fault occurred"
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}
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values = {
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0: 8,
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1: 4,
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2: 2,
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3: 1
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}
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stats_low = status_array[12:]
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stats_mid = status_array[8:12]
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stats_high = status_array[:4]
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low = 0
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mid = 0
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high = 0
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for x in range(4):
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if stats_low[x] == 1:
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low = low + values[x]
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if stats_mid[x] == 1:
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mid = mid + values[x]
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if stats_high[x] == 1:
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high = high + values[x]
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return status_low[low] + " " + status_mid[mid] + ' ' + status_high[high]
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def fault_code_a(n):
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fault_code_array = int_to_bits(n,16)
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""" fault = {
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0: "OCT",
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1: "OVT",
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2: "EXT-A",
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3: "EST",
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4: "COL",
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5: "GFT",
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6: "OHT",
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7: "ETH",
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8: "OLT",
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9: "Reserved",
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10: "EXT-B",
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11: "EEP",
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12: "FAN",
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13: "POT",
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14: "IOLT",
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15: "LVT"
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} """
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fault = {
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0: "Overload Trip",
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1: "Underload Trip",
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2: "Inverter Overload Trip",
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3: "E-Thermal Trip",
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4: "Ground Fault Trip",
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5: "Output Image Trip",
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6: "Inmput Imaging Trip",
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7: "Reserved",
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8: "Reserved",
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9: "NTC Trip",
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10: "Overcurrent Trip",
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11: "Overvoltage Trip",
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12: "External Trip",
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13: "Arm Short",
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14: "Over Heat Trip",
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15: "Fuse Open Trip"
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}
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faults = []
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counter = 15
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for x in range(16):
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if fault_code_array[x] == 1:
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faults = [fault[counter]] + faults
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counter = counter - 1
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return ' '.join(faults)
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def fault_code_b(n):
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fault_code_array = int_to_bits(n,8)
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""" fault = {
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0: "COM",
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1: "Reserved",
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2: "NTC",
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3: "REEP",
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4: "OC2",
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5: "NBR",
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6: "SAFA",
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7: "SAFB"
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} """
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fault = {
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0: "Reserved",
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1: "Reserved",
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2: "Reserved",
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3: "FAN Trip",
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4: "Reserved",
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5: "Reserved",
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6: "Pre PID Fail",
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7: "Bad contact at basic I/O board",
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8: "External Brake Trip",
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9: "No Motor Trip",
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10: "Bad Option Card",
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11: "Reserved",
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12: "Reserved",
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13: "Reserved",
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14: "Pre Over Heat Trip",
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15: "Reserved"
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}
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faults = []
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counter = 7
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for x in range(8):
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if fault_code_array[x] == 1:
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faults = [fault[counter]] + faults
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counter = counter - 1
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return ' '.join(faults)
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registers = [
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('volume_flow', 3873, 'FLOAT', 10, 3600,2, fmaddress, None ),
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('totalizer_1', 2609, 'FLOAT', 100, 3600,2, fmaddress, None ),
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('totalizer_2', 2809, 'FLOAT', 100, 3600,2, fmaddress, None ),
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('totalizer_3', 3009, 'FLOAT', 100, 3600,2, fmaddress, None ),
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('volume_flow_units', 2102, 'INTEGER', 1,86400,1, fmaddress, volume_units),
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('totalizer_1_units', 4603, 'INTEGER', 1,86400,1, fmaddress, totalizer_units),
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('totalizer_2_units', 4604, 'INTEGER', 1,86400,1, fmaddress, totalizer_units),
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('totalizer_3_units', 4605, 'INTEGER', 1,86400,1, fmaddress, totalizer_units),
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('byte_order', 4914, 'INTEGER', 100, 3600,2, fmaddress, None),
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('device_name', 7237, 'STRING', 100, 3600,5, fmaddress, None),
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('serial_number', 7002, 'STRING', 100, 3600,6, fmaddress, None),
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('run_status', 772, 'INTEGER', 0, 3600, 1, daddress, status_codes),
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('frequency', 784, 'INTEGER', 2, 3600, 2, daddress, None),
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('current', 783, 'INTEGER', 2, 3600, 2, daddress, None),
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('fault_a', 815, 'INTEGER', 1, 3600, 1, daddress, fault_code_a),
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('fault_b', 816, 'INTEGER', 1, 3600, 1, daddress, fault_code_b),
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('pid_ref', 791, 'INTEGER', 5, 3600, 1, daddress, None),
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('pid_feedback', 792, 'INTEGER', 5, 3600, 1, daddress, None),
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('motor_rated_current', 4896, 'INTEGER', 300, 86400, 1, daddress, None),
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('sleep_delay', 4924, 'INTEGER', 5, 86400, 1, daddress, None)
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]
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for register in registers:
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instrument = minimalmodbus.Instrument('/dev/ttyS0', register[6]) #device, modbus slave address
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instrument.debug = False
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instrument.handle_local_echo = True
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if register[2] == "FLOAT":
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try:
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value = instrument.read_float(registeraddress=register[1], functioncode=4) #register -1 for float
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if register[7] != None:
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value = register[7](value)
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print("{} from {}: {}".format(register[0],register[6],value))
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except Exception as e:
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print("Error: {}".format(e))
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#time.sleep(1)
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elif register[2] == "INTEGER":
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try:
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value = instrument.read_register(registeraddress=register[1],functioncode=4) #register -1 for float
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if register[7] != None:
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value = register[7](value)
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print("{} from {}: {}".format(register[0],register[6],value))
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except Exception as e:
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print("Error: {}".format(e))
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#time.sleep(1)
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elif register[2] == "STRING":
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try:
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value = instrument.read_string(register[1], register[5], functioncode=4)
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value = ''.join([i if 0 < ord(i) < 128 else '' for i in value])
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if register[7] != None:
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value = register[7](value)
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print("{} from {}: {}".format(register[0],register[6],value))
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except Exception as e:
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print("Error: {}".format(e))
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#time.sleep(1)
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