Honeywell 2MLF-DV4S User Manual page 15

6. PROGRAMMING .......................................................................... 93
6.1 Internal memory read/write .......................................................................... 93
Reading internal memory (GET, GETP instruction) ............................................................. 93
Write of internal memory (PUT, PUTP instruction) ............................................................... 94
6.2 Basic program ............................................................................................... 96
2MLF-DC4S ......................................................................................................................... 96
6.3 Application program ..................................................................................... 99
Inverter speed control .......................................................................................................... 99
BCD output of error code ................................................................................................... 102
7. TROUBLESHOOTING ............................................................... 107
7.1 Diagnosing errors ....................................................................................... 107
Error codes ......................................................................................................................... 107
7.2 Diagnosis of errors ..................................................................................... 110
RUN LED blinks ................................................................................................................. 110
RUN LED is Off .................................................................................................................. 111
D/A output value hunted too much ..................................................................................... 112
Relationship discordant between digital value and analog output value ............................ 113
D/A output value always exceeds the value specified ........................................................ 114
Analog output value does not change according to the change of digital value ................. 115
Hardware error of D/A conversion module ......................................................................... 115
Status check of D/A conversion module through SoftMaster system monitoring ............... 116
8. APPENDIX 1 .............................................................................. 119
8.1 Dimensions of 2MLF-DV4S/DC4S .............................................................. 119
R200 Isolated Analog Output Module 2MLF-DV4S, 2MLF-DC4S User's Guide
September 2010 Honeywell
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