Electrical installation

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Electrical installation

HC1-S(M)12

Digital Output:

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Cable	Connector
Brown	Pin 1	Supply voltage V +
White	Pin 2	Modbus
Blue	Pin 3	V -
Black	Pin 4	Modbus

Voltage Output:

Cable	Connector
Brown	Pin 1	Power supply V +
White	Pin 2	Output rh +
Black	Pin 3	Common ground
Blue	Pin 4	Output temperature +

HC1-S(M)19

Digital Output:

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Cable	Connector	RS232	RS485
Brown	Pin 1	Power supply V +	Power supply V +
White	Pin 2	RX	Modbus (B)
Black	Pin 3	Ground	Ground
Blue	Pin 4	TX	Modbus (A)

Voltage Output:

Cable	Connector
Brown	Pin 1	Power supply V +
White	Pin 2	Output temperature +
Blue	Pin 3	Common ground
Black	Pin 4	Output rh +

Current Output:

Cable	Connector
Brown	Pin 1	Output rh +
White	Pin 2	Output temperature -
Blue	Pin 3	Output rh -
Black	Pin 4	Output temperature +