Honeywell UDC2500 Product Manual page 7

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
vii UDC2500 Universal Digital Controller Product Manual
Introduction
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