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1. Introduction
1.1
About
The SGC 120 controller contains all the functions needed to protect and control the genset, the genset breaker, and also a
mains breaker. The values and alarms are shown on the LCD display screen, and operators can control the system from the
display.
You can use the DEIF Smart connect software to configure the inputs and outputs. You can also configure the parameters
on the controller.
1.2
Function overview
This is an overview of the most important functions.
Monitoring
Use the SGC controller to monitor mains, engine and alternator parameters.
Inputs and outputs
• Analogue current/voltage inputs
• Analogue resistive inputs
• Digital switch input
• DG alternator input
• Mains voltage input (AMF)
• Input for fuel reference selection
• Digital outputs
Communication
• RS-485 for Modbus communication
• USB interface to PC
• CAN bus engine communication
Modes of operation
The SGC controller can operate in AUTO mode and manual mode.
In AUTO mode, you can select these functions:
• Island
• Automatic mains failure (AMF)
• Remote start/stop
• Auto exercise
• Engine drive
Display and language functions
• Backlit display
• Supports many languages, including English, Spanish, and Chinese
• 2-level password protection
Alarms and event logs
• Event log for 100 events with real-time clock stamps
• Fuel theft alarm
User manual 4189341340A EN
Page 5 of 76
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