Output Relays - Breaker - GE 339 Instruction Manual

CHAPTER 6: SETPOINTS
LOGIC OPERA D
Any Trip OP
KEYPAD RESET
I PUTS
Emergency Restart Input
Lockout Reset Input
Remote Reset Input
SETTI GS
S4 CO TROLS
Emergency Restart
Off = 0
Lockout Reset
Off = 0
Remote Reset
Off = 0
LOGIC OPERA D
ANY TRIP PKP
ANY ALARM PKP
ANY ALARM OP
ANY LATCHED ALARM OP
ANY START INHIBIT
Output Relays -
Breaker
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 49: Relay trip
SETTI GS
RELAY 1 TRIP
BLOCK RLY1 TRIP
Off = 0
Input
Block Trip Input
RELAY 1 TRIP
SEAL-IN TIME
0
SETTI G
SYSTEM SETUP
SWITCHING DEVICE
Breaker
Contactor
AND
AND
AND
OR LED: Pickup
OR LED: Alarm
LED: Start Inhibit
operate Output Relay 3
When the setting S2 SYSTEM SETUP > SWITCHING DEVICE
output relays function as:
Output Relay 1: Breaker Trip
Output Relay 2: Breaker Close
Output Relay 3: Start Inhibit
Output Relays 4 to 6: Auxiliary Relays
Output Relay 7: Critical Failure
There are four special purpose relays: Breaker Trip, Breaker Close, Start Inhibit, and Critical
Failure. These relays have fixed operating characteristics:
Breaker Trip: Seal-in
Locally open breaker (relay keypad)
Remote open breaker
AND
AND
SETTI G
t
AND S
LATCH
R
S
LATCH
R
OR
S5 INPUTS/OUTPUTS
OR Operate Output Relay 1
(Breaker Trip)
AND
Operate Output Relay 4 (Contactor Trip)
LED: Trip
896825.cdr
is selected as BREAKER, the seven
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