Honeywell UDC2800 - Page 349

Parameter Description
Register Address
Data
Type
Access
Data Range or
Enumerated
Selection
Hex Decimal
pressing Setup and
Increment keys)
1 = Alarm 2
Lower Display 87E 2174 INT
R/W
0 = Time Remaining
1 = Elapsed Time
Reset Trigger 87F 2175 INT
R/W
0 = Keyboard
(Run/Hold Key)
1 = Alarm1 (Alarm 1
or Key)
Timer increment 880 2176 INT
R/W
0 = Minutes (Counts
hr/minute)
1 = Seconds
(Counts
min/second)
Input Algorithm 1
Input source selected
via ID 417, 418, 419.
881 2177 INT
R/W
0 = None
1 = Weighted
Average (LSP)
2 = Feedforward
Summer
3 = Feedforward
Multiplier
4 = Summer (with
ratio and bias)
5 = Input High
Select (with ratio
and bias)
6 = Input low Select
(with ratio and bias)
7 = General Math A
(Mult Div + Sqrt)
349
Chapter 11 - Modbus RTU Function Codes 20&21