EGCP-2 Engine Generator Control Package Manual 26076
30 Woodward
Speed Bias and Voltage Bias Outputs
The EGCP-2’s Speed Bias output is a dedicated analog output, which is used to
bias the prime mover’s speed control for unit synchronization and load control.
The Speed Bias output is software configurable for outputs of ±3 Vdc, 0.5–4.5
Vdc, or 500 Hz PWM. Refer to Chapter 3, configuration menus, in manual 26086
for selection information.
±3 Vdc—Compatible with Woodward analog and digital speed Controls via the
Aux Inputs or the load sharing lines on the 2301/2301A LSSC.
0.5-4.5 Vdc—Compatible with the Detroit Diesel Corp. DDEC-III and IV Control
and Caterpillar’s Gas Engine Control Module (GECM).
500 Hz PWM—Compatible with Caterpillar’s ADEM control (diesel engine).
Refer to Appendix B of this manual for control specific speed bias connections.
The EGCP-2’s Voltage Bias output is a dedicated analog output, which is used to
bias the generator’s automatic voltage regulator for unit synchronization and
reactive load control. The Voltage Bias output is software configurable for
outputs of ±1 Vdc, ±3 Vdc, or ±9 Vdc. Refer to Chapter 3, configuration menus, in
manual 26086 for selection information.
The voltage bias output works with many automatic voltage regulators. Following
is a list of manufacturers and types:
Basler Caterpiller KATO Newage Leroy Somer
SR4A VR3 360 MX321
SR8A DVR 760 MX341
SSE
SSR
DECS
The EGCP-2 is not compatible with the Marathon 2000 DVR.
The Speed and Voltage Bias Outputs will only drive into high impedance type
inputs, and are limited to inputs, which have an input impedance of 1000 ohms or
more.
Speed and Voltage Bias output Ratings
Number of Channels: 2
Min Drive Impedance: 1000
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