Modbus Read, Write and Override Parameters plus Exception Codes 
3/07  UDC3500 Universal Digital Controller Product Manual  423 
10.7.21 Alarms 
Table 10-30 lists all the register addresses and ranges or selections for the function 
parameters in Set-up Group Alarms. 
Table 10-30  Set-up Group – Alarms 
Parameter 
 
Register 
Address 
Data 
Type 
Access  Data Range or 
Enumerated Selection 
Description  ID  Hex  Decimal       
Alarm 1 Setpoint 1 
Value 
009  0009  009  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 1 Setpoint 2 
Value 
010  000A  010  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 2 Setpoint 1 
Value 
011  000B  011  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 2 Setpoint 2 
Value 
012  000C  012  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 3 Setpoint 1 
Value 
117  0075  117  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 3 Setpoint 2 
Value 
118  0076  118  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 4 Setpoint 1 
Value 
119  0077  119  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm 
Alarm 4 Setpoint 2 
Value 
115  0073  115  FP  R/W  Within the range of selected 
parameter or PV span for 
deviation alarm