Honeywell UDC2500 User Manual
Page 7
Introduction
vii
UDC2500 Universal Digital Controller Product Manual
4/07
5.5
Input 1 Calibration Procedure .....................................................................................................144
5.6
Input 2 Set Up Wiring.................................................................................................................146
5.7
Input 2 Calibration Procedure .....................................................................................................147
5.8
Restore Input Factory Calibration...............................................................................................149
6
OUTPUT CALIBRATION................................................................................... 151
6.1
Overview.....................................................................................................................................151
6.2
Current Output Calibration .........................................................................................................152
6.3
Auxiliary Output Calibration ......................................................................................................154
6.4
Restore Output Factory Calibration Procedure ...........................................................................156
7
TROUBLESHOOTING/SERVICE ...................................................................... 158
7.1
Overview.....................................................................................................................................158
7.2
Troubleshooting Aids..................................................................................................................159
7.3
Power-up Tests............................................................................................................................161
7.4
Status Tests .................................................................................................................................161
7.5
Background Tests........................................................................................................................162
7.6
Controller Failure Symptoms......................................................................................................164
7.7
Troubleshooting Procedures .......................................................................................................165
7.8
Restoring Factory Configuration ................................................................................................174
7.9
Software Upgrades......................................................................................................................175
8
PARTS LIST ...................................................................................................... 177
8.1
Exploded View............................................................................................................................177
8.2
Removing the chassis..................................................................................................................179
9
MODBUS RTU FUNCTION CODES.................................................................. 180
9.1
Overview.....................................................................................................................................180
9.2
General Information....................................................................................................................180
9.3
Function Code 20 (14h) - Read Configuration Reference Data..................................................182
9.3.1
Read Configuration Examples .........................................................................................184
9.4
Function Code 21 (15h) - Write Configuration Reference Data.................................................186
9.4.1
Write Configuration Examples ........................................................................................188
10
MODBUS READ, WRITE AND OVERRIDE PARAMETERS PLUS EXCEPTION
CODES........................................................................................................................ 189
10.1
Overview .................................................................................................................................189
10.2
Reading Control Data..............................................................................................................190
10.3
Read Software Options Status .................................................................................................191
10.4
Miscellaneous Read Onlys ......................................................................................................192