Wiring overview, Wiring for power – Hach-Lange SC 200 Basic User Manual User Manual
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• Avoid excessive movement. Transport static-sensitive components in anti-static containers or
packages.
• Wear a wrist strap connected by a wire to earth ground.
• Work in a static-safe area with anti-static floor pads and work bench pads.
Wiring overview
shows an overview of the wiring connections inside the controller with the high voltage
barrier removed. The left side of the figure shows the back side of the controller cover.
Note: Remove connector caps from the connectors before module installation.
Figure 7 Wiring connections overview
1 Service cable connection
5 AC and DC power connector
1
9 Discrete input wiring connector
1
2 4-20 mA output
1
6 Ground terminals
10 Digital sensor connector
1
3 Sensor module connector
7 Relay connections
1
4 Communication module
connector (e.g., Modbus,
Profibus, HART, optional
4-20 mA module, etc.)
8 Digital sensor connector
1
1
Terminals can be removed for improved access.
Wiring for power
W A R N I N G
Potential Electrocution Hazard. Always disconnect power to the instrument when making electrical
connections.
English 13