Updated VFD File and added ability to read drive parameters with Python

testVaconCPPPO.py

@@ -0,0 +1,59 @@
+from cpppo.server.enip.get_attribute import proxy_simple
+import logging
+
+class VFD_COMM(proxy_simple):
+    '''A simple (non-routing) CIP device with one parameter with a
+       shortcut name: 'A Sensor Parameter' '''
+    PARAMETERS = dict(proxy_simple.PARAMETERS,
+        at_reference = proxy_simple.parameter('@0x2A/1/3', 'BOOL', "I/O"),
+        net_ref = proxy_simple.parameter('@0x2A/1/4', 'BOOL', "I/O"),
+        drive_mode = proxy_simple.parameter('@0x2A/1/6', 'SINT', "mode"),
+        speed_actual = proxy_simple.parameter('@0x2A/1/7', 'INT', "Hz"),
+        speed_ref = proxy_simple.parameter('@0x2A/1/8', 'INT', "Hz"),
+        torque_actual = proxy_simple.parameter('@0x2A/1/0x0B', 'INT', "Nm"),
+        torque_ref = proxy_simple.parameter('@0x2A/1/0x0C', 'INT', "Nm"),
+        speed_scale = proxy_simple.parameter('@0x2A/1/0x16', 'SINT', "Nm"),
+        torque_scale = proxy_simple.parameter('@0x2A/1/0x18', 'SINT', "Nm"),
+        ref_from_net = proxy_simple.parameter('@0x2A/1/0x1D', 'BOOL', "I/O")
+    )
+
+
+class Vacon100:
+    def __init__(self, ip_address):
+        self.ip_address = ip_address
+        self.cpppo_proxy = VFD_COMM(ip_address)
+
+    def read_ACDCDriveOBj(self):
+        try:
+            vals_wanted = [
+                "At Reference",
+                "Net Ref",
+                "Drive Mode",
+                "Speed Actual",
+                "Speed Ref",
+                "Torque Actual",
+                "Torque Ref",
+                "Speed Scale",
+                "Torque Scale",
+                "Ref From Net"
+            ]
+            params = self.cpppo_proxy.parameter_substitution(vals_wanted)
+            vals = self.cpppo_proxy.read(params)
+            val_list = list(vals)
+            for x in range(0, len(vals_wanted)):
+                print("{}: {}".format(vals_wanted[x], val_list[x][0]))
+            return(vals)
+        except Exception as exc:
+            logging.warning("Access to remote CIP device failed: %s", exc)
+            self.cpppo_proxy.close_gateway(exc=exc)
+            raise
+
+
+def main():
+    vacon_100 = Vacon100("10.20.4.27")
+    print(vacon_100.read_ACDCDriveOBj())
+
+if __name__ == '__main__':
+    import sys
+    sys.exit(int(main() or 0))
+