RFL 9780 RFL Electronics Inc.
March 10, 2000 3-5 (973) 334-3100
3.5.2 SOLID-STATE INPUT CONNECTIONS
Solid-state input connections are made to terminal block TB3 on the rear of the RFL 9780 chassis.
Terminal assignments are as follows. Be sure to observe proper polarity when making these
connections:
Signal Name Positive Negative
TRIP KEY 1 TB3-1 TB3-2
TRIP KEY 2 TB3-3 TB3-4
3.5.3 SOLID-STATE OUTPUT CONNECTIONS
Solid-state output connections are made to terminal block TB2 on the rear of the RFL 9780 chassis.
Terminal assignments are as follows. Be sure to observe proper polarity when making these
connections:
Signal Name Positive Negative
SS GUARD OUT TB2-1 TB2-2
SS TRIP OUT TB2-3 TB2-4
3.5.4 RELAY OUTPUT CONNECTIONS
Relay output connections are made to terminal blocks TB3 and TB4 on the rear of the RFL 9780
chassis. Terminal assignments are as follows:
Signal Name Contact Type Terminal Assignments
TRIP SENT Common TB3-5
Normally Open TB3-6
Normally Closed TB3-7
GUARD OUT Common TB4-1
Normally Open TB4-2
Normally Closed TB4-3
TRIP OUT Common TB4-4
Normally Open TB4-5
Normally Closed TB4-6
All output relays are normally de-energized.
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