Data Command Formats - GE VersaMax Manual

Mixed Module, 24VDC Positive Logic Input 20 Points / Output 12 Point /
Data Commands
Temporary operating changes can be made using Data Commands. Data Commands can
be sent to the module as part of its analog (AQ) data. A VersaMax PLC CPU can also send
Data Commands using the COMREQ function.

Data Command Formats

A Data Command uses 3 words of memory. The contents of these 3 words are:
In the total analog output (AQ) data used by the module, there is room for 4 of these data
commands, which are arranged as follows:
There is no limit to the length of time a command can be present in the output words. The
module acts on a command only when it detects a change in the command words.
GFK-1504K Chapter 13 Mixed Discrete/High-speed Counter Module
(4) High Speed Counter, PWM, or Pulse Train Configurable Points
MSB
0n
command word
dd
data word (LSW)
data word (MSW)
dd
Output Words 9-11
Output Words 12-14
Output Words 15-17
Output Words 18-20
LSB
cc
where: n=counter 1-4
cc=subcommand code
dd
dd=data type
dd
Command 1
Command 2
Command 3
Command 4
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IC200MDD841
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