A-2 l Ap pe nd ix
Modbus RS-232/485 Serial
Communication Parameters (continued)
Modbus Register Number Description Comments
535 Start Command 1 = start
536 Stop Command 1 = stop
537 Alarm Acknowledge
538 Process Temperature Setpoint
539 Process Temperature Setpoint
DC Plus Control Parameters -
Used on ResinWorks and Hopper Temperature
Controllers (HTC)
Modbus Register Number Description Comments
500 Product Type
501 Process Temperature Setpoint
502 Process Actual Temperature
503 Process Temperature Setpoint (Setback)
504 Return Air Temperature Out of Hopper
505 Return Air Setpoint (Setback)
506 Load Rate Setpoint (Setback)
507 Average Load Rate Actual (Setback)
508 Operational Mode
509 Running Status
510 Process Heater Output Actual %
511 Alarms
512 RTD Integrity Alarms
513 Regeneration Actual Temperature
514 Regeneration Heater Output Actual %
515 Process Protect Actual Temperature
516 Product Type
517 Product Type
518 Product Type
519 Product Type