Contents
Tables
R200
Analog Input Module 2MLF-AV8A, AC8A User's Guide
xi
September 2010
Honeywell
Write operation parameters settings area (PUT, PUTP command) .................................... 108
6.2
Configuring A/D module via program method ......................................... 110
2MLF-AV8A ........................................................................................................................ 110
2MLF-AC8A ....................................................................................................................... 111
6.3
Basic program ............................................................................................. 113
2MLF-AV8A ........................................................................................................................ 113
2MLF-AC8A ....................................................................................................................... 116
6.4
Application program examples .................................................................. 120
Program to compare A/D conversion values ...................................................................... 120
Program to output error codes of analog input module to BCD display .............................. 124
Program description ........................................................................................................... 125
7.
TROUBLESHOOTING ............................................................... 129
7.1
Error codes .................................................................................................. 129
7.2
Troubleshooting .......................................................................................... 131
RUN LED blinks ................................................................................................................. 131
RUN LED is OFF ................................................................................................................ 132
CPU module cannot read A/D conversion value ................................................................ 133
Mismatch between analog input value and digital output value .......................................... 133
H/W error of A/D conversion module .................................................................................. 134
Status check of A/D conversion module using System Monitor menu ............................... 134
8.
APPENDIX ................................................................................. 135
8.1
Appendix 1: Terminology ........................................................................... 135
8.2
Appendix 2: External dimensions ............................................................. 138
External dimensions of 2MLF-AV8A/AC8A ........................................................................ 138