Watlow Series 1500 User Manual Page 63
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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
Ch-Y.
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
- Series 1500 1
- How to Use the Manual 2
- Contents 3
- Chapter 1 4
- Starting Out 10
- Chapter 2 16
- Sample Program 17
- Set the Recycle Option 19
- Begin Entering Data 19
- Programming Step 19
- Programming Step 8 21
- Programming Steps 3 through 6 21
- Almost Ready to Run 22
- Start Your Program! 22
- Monitoring the Action 22
- Helpful Hints 22
- 2. Ramping Conditions 23
- 3. Wait Step 23
- Jump Loop Step (JL) 24
- Chapter 3 26
- Installation-Wiring 27
- Never connect both shield 28
- Input Power Wiring 29
- How to Open the 1500 32
- Pre-Installation Information 32
- ! CAUTION: 36
- CAUTON: 38
- CAUTON: 38
- Programming 40
- Chapter 4 40
- Technical Reference 40
- Programming CHG DATA 41
- Halt Conditions 42
- Jump Loop Step 44
- WT (Wait) Step Programming 45
- NX (Next Step) Programming 45
- Altering a Program 46
- Guarded Access 47
- Alarm Options 49
- Alarm Entry 49
- Event Outputs 51
- Event Input 51
- Remote Hold Input 51
- Analog Retransmit Outputs 52
- Chart 3 54
- Programming Chart 56
- Recommended Tuning Reference 58
- Manual Tuning 59
- How to Run a Program 60
- How to Halt a Program 60
- How to Restart a Program 60
- Data Communications 61
- Commands and Syntax 61
- Command Rules 62
- Command Words 63
- Command Words and Syntax 64
- Wait For 66
- Real Time 66
- Sample Response 68
- SampleCommand: 70
- Heat Heat 70
- Where To Go From Here 72
- Bad Sensor 74
- — RTD Calibration — 75
- Equipment Needed 75
- Calibration 75
- Field Calibration 76
- — Thermocouple Calibration — 77
- Specifications 80
- Accuracy 81
- Technical Service 83
- Shipping Claims 84
- Watlow Winona, Inc 84
- Glossary 85
- Process 87
- Series 1500 Quick Reference 90
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