Manual 37278B GCP-30 Series - Genset Control
© Woodward Page 159/174
Coding Of The Power Set Point Value
The following power values may be pre-specified: constant/baseload power (C power), outgoing/export power (E
power) and incoming/import power (I power). The real power set point value is transmitted in binary form using
bits 0-13. The control argument must be transmitted in the basis of bits 14 and 15. In this case, the following cod-
ing applies:
Control argument Bit 15 Bit 14
C power 0 1
E power 0 0
I power 1 1
Example:
C power of 150 kW is to be compensated. The value transmitted is then:
01/00 0000 1001 0110 B 4096 H
E power of 300 kW is to be compensated. The value transmitted is then:
00/00 0001 0010 1100 B 012C H
I power of 600 kW is to be compensated. Negative power is transmitted. The value transmitted is then:
11/11 1101 1010 1000 B FDA8 H
CAN IDs Guidance Bus
The IDs given in the following are reserved for the data exchange between GCPs and LS4s. If third-party devices
are connected to the bus, it has to be ensured their IDs do not result conflicts with these IDs.
CAN-ID in
[hex] [decimal]
GCP sends
Distribution message to other GCPs 180 + GENNO 384 + GENNO
Control message to LS4 (the GCP with the lowest ID) 311 785
Visualization 320 + GENNO 800 + GENNO
GCP receives
Distribution message from other GCP 180 + GENNO 384 + GENNO
Control message from an LS4 300 + GENNO 768 + GENNO
Configuration messages from a higher control 33F 831
LS4 sends
Logic message to other LS4s 180 + LS4NO 384 + LS4NO
Control message to GCP (the LS4 with the lowest ID) 300 + GENNO 768 + GENNO
LS4 receives
Logic message from other LS4 180 + LS4NO 384 + LS4NO
Control message from a GCP 311 785
Configuration messages and
configuration messages from a higher control 33F 831
[hex] [decimal]
GENNO = 1 to E 1 to 14 GENNO = Generator number
LS4NO = 11 to 1E 17 to 30 LS4NO = LS4 number
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