Omega RD100B manual Wiring Procedure, Relay Contact Output Specifications

2.4 Optional Terminal Wiring

Wiring Procedure

1.Turn OFF the recorder and remove the terminal cover.

2.Connect the input signal wires to the terminals.

Philips screwdriver

Crimp-on lug with insulation sleeves

3.Replace the terminal cover and fasten it with screws. The proper torque for tightening the screws is 0.6 N-m.

Alarm output	Remote control input
FAIL/chart end output
	Relay contact input			Transistor input
Relay contact output	(Voltage-free contact)			(Open collector)
	1	2	3	1	2	3

NO C NC

4 5 C 4 5 C

2

Before Using the Recorder

Note

To reduce noise, use a shielded cable for the wiring of the remote control input terminals.

Connect the shield to the ground terminal of the recorder.

• Relay Contact Output Specifications

Output type:	Relay
Contact rating:	250 VAC (50/60 Hz)/3 A, 250 VDC/0.1 A (resistive load)
Dielectric strength:	1500 VAC at 50/60 Hz for one minute (between output
	terminals and the ground terminal)
• Relay Contact Input/Transistor Input Specifications
Input signal:	• Voltage-free contact: Contact closed at 200 Ω or less and
	contact open at 100 kΩ or greater
	• Open collector: 0.5 V or less (30 mADC) when turned ON,
	leakage current of 0.25 mA or less when turned OFF
Input format:	Photocoupler isolation (shared common)
Dielectric strength:	500 VDC for one minute between input terminals and the
	ground terminal

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