GE 750 User Manual

GE Power Management 750/760 Feeder Management Relay 17-
5
17 COMMISSIONING 17.4 LOGIC/VIRTUAL INPUTS
17
17.4 LOGIC/VIRTUAL INPUTS 17.4.1 LOGIC/VIRTUAL INPUTS 1-14
Actual Values Display:
For these first tests, setpoints
INPUT 1 (2-14) ASSERTED LOGIC
should be programmed as Closed | V
on
.
Under subheading
A1 STATUS \ VIRTUAL INPUTS \ LOGIC INPUT 1 (2-14)
1. Turn on this input and check that the display shows this state.
2. Turn off this input and check that the display shows this state.
Under subheading
A1 STATUS \ HARDWARE INPUTS \ CONTACT 1 (2-14) STATE
1. Close the contact connected to this input and check that the display shows this state.
2. Open the contact connected to this input and check that the display shows this state.
a) PROCEDURE
1. Set all inputs 1 through 14, both contact and virtual, to the de-asserted state.
2. Enter (example) settings under subheading
S3 LOGIC INPUTS \ USER INPUT A \
USER INPUT A NAME:
User Input A
USER INPUT A SOURCE:
Input 1
USER INPUT A FUNCTION:
Alarm
USER INPUT A RELAYS (3-7):
3----
USER INPUT A DELAY:
0.00 s
b) USER INPUT A FUNCTION SETPOINT SET TO ALARM
For
INPUT ASSERTED LOGIC
setpoints set to Contact Close :
3. Check that there is no logic input diagnostic message on the display.
4. Set the monitored contact for the logic input programmed in setpoint
USER INPUT A SOURCE
to the closed
state. Note that the corresponding virtual input will have no affect.
5. Check that the diagnostic message, either
User Input A or the name programmed in setpoint
USER INPUT A
NAME
, appears on the display with the 3 auxiliary LED and relay activated. Check in the Event Recorder
that the selected function has been invoked.
6. Set the monitored contact for the logic input programmed in setpoint
USER INPUT A SOURCE
to the open
state. Again note that the corresponding virtual input will have no affect.
7. Check that the diagnostic message is removed from the display with the 3 auxiliary LED and relay deacti-
vated.
8. Repeat steps 3 through 7 for all functions programmed to be asserted by a
Contact Close input.
For
INPUT ASSERTED LOGIC
setpoints set to Contact Open :
1.
2.
3. Check that there is no logic input diagnostic message on the display.
4. Set the monitored contact for the logic input programmed in setpoint message
USER INPUT A SOURCE
to the
open state. Note that the corresponding virtual input will have no affect.
5. Check that the diagnostic message, either
User Input A or the name programmed in setpoint
USER INPUT A
NAME
, appears on the display with the 3 auxiliary LED and relay activated. Check in the Event Recorder
that the selected function has been invoked.

GE 750 Specifications

General

Brand	GE
Model	750
Category	Relays
Language	English