Despatch 1500 Controller - Manual (Page 14)

Page 8 Despatch/Watlow 1500 Control Instruction Manual
Guarded Access Programming
The Guarded Access parameters control the process limits.
the three GA parameter loops are restricted to operators by
special codes. The Guarded Access codes prevent
inexperienced or unauthorized operators from changing the
parameters.
You must select one of the following:
GA = 0000 To set CH-1 and CH-2 alarm limits
GA = 0001* To set CH-1 PID tune parameters
GA = 0002* To set CH-2 PID tune parameters
GA = 0006 To set set point scroll limits, optional
lockout and option recycle
*If GA = 0001 and 0002 will not work, try GA code 0005
for both channel parameters.
Use the following sequence to alter the GA prompts:
1. Follow the steps for “SETTING THE CLOCK.”
2. Select a GA code with the > key and the ? key.
3. Press ENTER. The prompt appears in the DATA
display.
4. Press the FCTN key. The next prompt in the loop
appears in the DATA display.