Command Words - Watlow Ramping and Profiling Microprocessor-Based Control SERIES 1500 User Manual

Technical Reference

Command Words

The Series 1500 recognizes and responds to the following list of syntactical
command words through a serial communication interface.
Requests actual process inputs.
ACT?
MTR? Requests information on the current step.
ST?? Requests programmed information for a step.
Enter step information.
STP
PTR? Request real time of day, and high and low set point limits.
PTR Enter real time of day, and high and low set point limits.
GAl? Request the Guarded Access information for Ch-Y.
Enter the Guarded Access parameters for Ch1.
GA1
Request the Guarded Access information for Ch-2.
GA2?
Enter the Guarded Access parameters for Ch-2.
GA2
STS? Request the program Run/Halt and End status information_
Enter the program Run/Halt and End status.
STS
ALM? Request any current alarm code infonnation.
ALM 00 Clear all alarm codes.
Put the Series 1500 into Step # - - .
NXS- -
ERR? Request the last communication error, and then clear the error code to 0.
PDA? Request the process and/or deviation alarm set points.
PDA Enter the process and/or deviation alarm set points.
TIM? Requests real time of day.
TIM Enter real time of day.
LIM? Requests high and low set point limits
LIM Enter high and low set point limits
LOC? Requests keyboard lockout status
LOC Enter keyboard lockout status
RCY? Request the Recycle option
Enter the Recycle option
RCY
Data Communications, Commands and Syntax, Chapter 4
WARNING:
Take all necessary
precautions to
ensure that BOTH
the Series 1500
front panel and a
remote computer
Interface are
prevented from
Initiating output
actlon from the
Series 1500 when
maintenance
personnel are
working on the
system. Failure to
do so could result
In damage to
equipment and/or
injury to person-
nel.
WATLOW Series 1500 User's Manual
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