Real Time Clock; Outputs - GE Multilin G650 Manual

2.4 TECHNICAL SPECIFICATIONS
2.4.6.5 IRIG-B INPUT
Amplitude modulation:
Input Voltage:
Input Burden:
Input Impedance:
2
Minimum Input Voltage:
Maximum Input Voltage:
Formats:
Isolation:
Accuracy:
Backup energy:
Carry continuous:
Make and Carry for 1 sec.
Break at L/R of 40 ms:
Operate Time:
Contact material:
Output Logic Type, Output Type and Pulse Output Time are selectable by setting for each output
Output Logic Type
Output Type
Pulse Output Time
Separate operate and reset signal can be configured by any digital signal programmable through PLC
Contact Outputs (F31-F33, F34-F36) for
board type 2 (supervision) in slot F:
2-28
DC SHIFT = Demodulated input (no carrier)
TTL
1.5 mA
3.3 kOhm
2.4 V
± 24 V
B000 (*) B001, B002 and B003 (*)
(*) Signal combinations recognized in accordance with IRIG Standard 200-95
2 kV
Typical ±20 ppm
More than 1 week
16 A
60 A
0.3 A DC max. at 125 Vdc
0.25 A DC max. at 250 Vdc
< 8 ms
Silver Alloy
Positive / Negative
Normal / Pulse / Latch (Selectable by setting for each output)
0 to 60000 ms in steps of 1 ms (applicable only to signals set as pulse type)
The current seal-in circuit is used for verifying the current condition in a circuit
during the time that the tripping contact remains closed. If the current in the
tripping circuit is maintained over 500 mA, the function is sealed independently of
the status of the function that caused the trip.
G650 Generator Protection & Control System
2 PRODUCT DESCRIPTION

2.4.7 REAL TIME CLOCK

2.4.8 OUTPUTS

GEK-113285A