
Installation – 2
2–25
8
WARNING
:
The protective grounding terminal
must be connected to an earth ground any time
external connections have been made to the unit.
3.
Remove the screws that retain the rear/
top cover, lift the rear/top cover off the
relay.
4.
Reconnect protective grounding terminal
(bottom right cover screw) to an earth
ground.
5.
JP2, JP3, and JP4 are now accessible.
See Figure 2-24, M-3410A I/O board for
locations.
6.
JP21 is now accessible. See Figure 2-25,
M-3410A CPU Board.
9.
Reinstall the rear cover on the relay; insert
the screws that retain the rear cover.
10.
Connect power, current, and potential
inputs to the relay.
Factory Default Reset
To reset all function settings to factory defaults,
perform the following:
8
WARNING: Operating personnel must not
remove the cover or expose the printed circuit
board while power is applied. IN NO CASE may
the circuit-based jumpers be moved with power
applied.
8
WARNING: The protective grounding terminal
must be connected to an earthed ground any time
external connections have been made to the unit.
8
8
8
8
8
WARNING: DO NOT open live CT circuits. Live
CT circuits should be shorted prior to
disconnecting CT wiring to the M-3410A. Death or
severe electrical shock can occur.
▲
▲
▲
▲
▲
CAUTION:
This unit contains MOS circuitry, which
can be damaged by static discharge. Care should be
taken to avoid static discharge on work surfaces and
service personnel.
1.
De-energize the M-3410A.
8
WARNING
:
The protective grounding terminal
must be connected to an earth ground any time
external connections have been made to the unit.
2.
Remove the screws that retain the rear
cover, lift the rear cover off the relay.
3.
Reconnect protective grounding terminal
(bottom right cover screw) to an earth
ground.
4.
Connect a jumper across JP11
(Figure 2-26).
5.
Apply power to the unit, then wait for the
power-on self test to complete.
6.
Remove power from the unit, then remove
jumper from JP11.
7.
Resinstall the rear cover on the relay;
insert the screws that retain the rear cover.
To reset Communications setting to factory default,
perform the following:
8
WARNING: Operating personnel must not
remove the cover or expose the printed circuit
board while power is applied. IN NO CASE may
the circuit-based jumpers be moved with power
applied.
8
WARNING: The protective grounding terminal
must be connected to an earthed ground any time
external connections have been made to the unit.
8
8
8
8
8
WARNING: DO NOT open live CT circuits. Live
CT circuits should be shorted prior to
disconnecting CT wiring to the M-3410A. Death or
severe electrical shock can occur.
▲
▲
▲
▲
▲
CAUTION:
This unit contains MOS circuitry, which
can be damaged by static discharge. Care should be
taken to avoid static discharge on work surfaces and
service personnel.
1.
De-energize the M-3410A.
8
WARNING
:
The protective grounding terminal
must be connected to an earthed ground any time
external connections have been made to the unit.
2.
Remove the screws that retain the rear
cover, lift the rear cover off the relay.
3.
Reconnect protective grounding terminal
(bottom right cover screw) to an earth
ground.
4.
Connect a jumper across JP13
(Figure 2-26).
5.
Apply power to the unit, then wait for the
power-on self test to complete.
6.
Remove power from the unit, then remove
jumper from JP13.
7.
Reinstall the rear cover on the relay; insert
the screws that retain the rear cover.
Содержание Syncrocloser M-3410A
Страница 1: ...Instruction Book M 3410A Intertie Generator Protection Relay ...
Страница 39: ...xiv M 3410A Instruction Book This Page Left Intentionally Blank ...
Страница 71: ...M 3410A Instruction Book 2 28 This Page Left Intentionally Blank ...
Страница 121: ...M 3410A Instruction Book 3 50 This Page Left Intentionally Blank ...
Страница 161: ...1 3 A B C M 3410A Instruction Book 4 40 This Page Left Intentionally Blank ...
Страница 223: ...M 3410A Instruction Book F 2 This Page Left Intentionally Blank ...