Honeywell UDC2800 - Standard Modbus Parameters

CHAPTER
12
STANDARD MODBUS READ, WRITE AND
OVERRIDE PARAMETERS
What's in this section?
The following topics are covered in this section.
In this section:
Modbus RTU Message Format 375
Modbus RTU Function Codes 375
Digital Output Register Map 377
Digital Input Register Map 378
Loop Value Integer Register Map 378
Loop Value Register Map 386
Analog Input Register Map 391
Math, Calculated Value, or Variable Register Map 392
Math or Calculated Value Status Register Map 392
Shed Timer Reset Register Map 392
Alarm Status Register Map 393
Alarm Set Point Value Register Map 393
Set Point Program Value Register Map 394
Set Point Program Additional Values Register Map 407
Set Point Program Segment Map 422
374