I am trying to read values from a Chessel 5180V Recorder into a MicroLogix 1500 PLC using Modbus RTU. Channel 1 of the 1500 is set up as Modbus Master, the Recorder is Modbus Slave (Node 2). For starters, I tried to read an IEEE Floating Point value of Recorder Channel 1 PV by using the MSG...
One of our plants has numerous 100HP and 300HP ABB VFD's (both ACS600 and 800 Series). Our plant power is 460/277V. The drives operate off the 460V line. They run cooling gas blowers for our batch processing equipment. These cooling blowers normally run 1 to 2 hours followed by 6 hours off. We...