CHAPTER 4: PROGRAMMING S1 PQM SETUP
PQM POWER QUALITY METER – INSTRUCTION MANUAL 4–5
To enable setpoint access, follow the steps outlined in the diagram below:
The factory default access code for the PQM is 1.
If three attempts are made to enable setpoint access with an incorrect code, the value of
the
SETPOINT ACCESS setpoint changes to DISABLED and the above procedure must be
repeated.
Once setpoint access is enabled, the PROGRAM status indicator turns on. Setpoint
alterations are allowed as long as the PROGRAM status indicator remains on. Setpoint
access is be disabled and the PROGRAM status indicator turns off when:
• The time programmed in
S1 PQM SETUP \ SETPOINT ACCESS \ SETPOINT
ACCESS ON FOR
is reached
• The control power to the PQM is removed
• The factory setpoints are reloaded
To permanently enable the setpoint access feature, enable setpoint access and then set
SETPOINT ACCESS ON FOR to UNLIMITED. Setpoint access remains enabled even if the
control power is removed from the PQM.
Setpoints can be changed via the serial ports regardless of the state of the
setpoint access feature or the state of an input switch assigned to setpoint
access.
To change the setpoint access code, enable setpoint access and perform the steps as
outlined below:
If an attempt is made to change a setpoint when setpoint access is disabled, the
SETPOINT ACCESS: DISABLED message is displayed to allow setpoint access to be
enabled. Once setpoint access has been enabled, the PQM display will return to the original
setpoint message.
SETPOINT ACCESS:
ENABLE
ENTER SETPOINT
ACCESS CODE: 1
SETPOINT ACCESS ON
FOR: 5 min.
SETACCEN.VSD
INCORRECT CODE
CORRECT
CODE
INCORRECT
CODE
STORE STORE
NOTE
CHANGE SETPOINT
ACCESS CODE: YES
ENTER SETPOINT
ACCESS CODE: 4
RE-ENTER SETPOINT
ACCESS CODE: 4
SAVCCCD.VSD
STORE STORE
Courtesy of NationalSwitchgear.com
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