Woodward GCP-30 Series - Appendix C. Interface Protocol; Transmission Telegram

Manual 37365A GCP-30 Series Packages - Genset Control
© Woodward Page 153/179
Appendix C.
Interface Protocol
NOTE
Only selected parameters are transmitted via the interface depending on the Package configuration.
Transmission Telegram
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MUX
No.
Contents (words)
Unit Note
0/1 1
Generator voltage delta V
12
V × 10
UGNEXPO
0/2 2
Generator frequency f Hz × 100
0/3 3
Actual generator real power P W × 10
PGNEXPO
1/1 4
Exponents High Byte: PGNEXPO Generator power
Low Byte: UGNEXPO Generator voltage
1/2 5
Real power set point value
see note
PGNEXPO
10
800.2
PGNWD
W ××
1/3 6
Conversion factor Steps  kW PGNWD (internal)
2/1 7
Busbar voltage delta V
12
V × 10
UGSSEXPO
2/2 8
Mains voltage delta V
12
V × 10
UNTEXPO
2/3 9
Currently present alarm class Bit 15 = 1 --Internal--
Note – On double /fourfold bits the follow-
ing is valid: If the indicated bit combination
is fulfilled (high byte and low byte) ,the
message is active (otherwise inactive).
Bit 14 = 1 --Internal--
Bit 13 = 1 \
Bit 12 = 1 /
Alarm class F2 or alarm class F3
Bit 11 = 1 \
Bit 10 = 1 /
LED "Alarm" flashes
Bit 9 = 1 --Internal--
Bit 8 = 1 --Internal--
Bit 7 = 1 \
Bit 6 = 1 /
Alarm class F3
Bit 5 = 1 \
Bit 4 = 1 /
Alarm class F2
Bit 3 = 1 \
Bit 2 = 1 /
Alarm class F1
Bit 1 = 1 \
Bit 0 = 1 /
Alarm class F0
3/1 10
Control register 2 Bit 15 = 1 \
Bit 14 = 1 /
Terminal 3 is energized
Note – On double /fourfold bits the follow-
ing is valid: If the indicated bit combination
is fulfilled (high byte and low byte) ,the
message is active (otherwise inactive).
Bit 13 = 1 \
Bit 12 = 1 /
Terminal 5 is energized
Bit 11 = 1 \
Bit 10 = 1 /
--Internal--
Bit 9 = 1 \
Bit 8 = 1 /
Terminal 53 is energized
DI "Enable MCB"
Bit 7 = 1 \
Bit 6 = 1 /
Terminal 4, reply: GCB is closed
Bit 5 = 1 \
Bit 4 = 1 /
Terminal 54, reply: MCB is closed
Bit 3 = 1 \
Bit 2 = 1 /
Terminal 6 is energized
Bit 1 = 1 \
Bit 0 = 0 /
Shutdown power reached
Bit 1 = 0 \
Bit 0 = 1 /
Shutdown power not reached