Watlow Electric Ramping and Profiling Microprocessor-Based Control SERIES 1500 - Manual (Page 63)

Technical Reference
Command Words
The Series 1500 recognizes and responds to the following list of syntactical
command words through a serial communication interface.
ACT?
MTR?
ST??
STP
PTR?
PTR
GAl?
GA1
GA2?
GA2
STS?
STS
ALM?
Requests actual process inputs.
Requests information on the current step.
Requests programmed information for a step.
Enter step information.
Request real time of day, and high and low set point limits.
Enter real time of day, and high and low set point limits.
Request the Guarded Access information for
Enter the Guarded Access parameters for Ch1.
Request the Guarded Access information for Ch-2.
Enter the Guarded Access parameters for Ch-2.
Request the program Run/Halt and End status information_
Enter the program Run/Halt and End status.
Request any current alarm code infonnation.
ALM 00 Clear all alarm codes.
NXS- -
ERR?
PDA?
PDA
TIM?
TIM
LIM?
LIM
LOC?
LOC
RCY?
RCY
Put the Series 1500 into Step # - - .
Request the last communication error, and then clear the error code to 0.
Request the process and/or deviation alarm set points.
Enter the process and/or deviation alarm set points.
Requests real time of day.
Enter real time of day.
Requests high and low set point limits
Enter high and low set point limits
Requests keyboard lockout status
Enter keyboard lockout status
Request the Recycle option
Enter the Recycle option
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.
Data Communications, Commands and Syntax, Chapter 4 WATLOW Series 1500 User's Manual
63