WinGD X92DF - Page 268

•
Transfers the fuel command to the WECS-9520.
The fuel quantity limit is related to the scavenge air pressure and engine protection.
The WECS-9520 receives a fuel command signal from the governor. This signal is transmitted
to all the FCM-20. This is the setpoint for the fuel quantity to be injected.
If the speed control system becomes defective, the engine can operate in one of the modes that
follow:
•
LOCAL mode - manual adjustment of the fuel quantity at the local control panel
•
ECR BACKUP mode from the BACKUP control panel in the control room.
6.2.5.4 Safety system
The safety system has the primary functions that follow:
•
Emergency stop
•
Overspeed protection
•
Automatic slow-down
•
Automatic shut-down.
If there is a defect, the WECS-9520 will transmit a signal to the safety system for each
malfunction.
6.2.5.5 Telegraph system
The telegraph system transmits maneuvering signals from the bridge to the ECR and to the
local control panel.
X92DF
AA00-0000-00AAB-043K-A
Operation Manual Engine control system WECS-9520
Winterthur Gas & Diesel Ltd.
- 268 - Issue 002 2020-08