Omega CN3440 manual + Tx, Electrical Installation…

4 ELECTRICAL INSTALLATION…

Remote Set Point % ^ &

Process Variable @ £ $

Sleeved

Link + –

Fig. 4.7 Thermocouple Input Connections

Remote Set Point % ^ &

Process Variable @ £ $

Red White Red

Fig. 4.8 3-lead Resistance

Thermometer Input Connections

Remote Set Point	% ^ &
Process Variable	@ £ $
Sleeved
Link
White	Red
Fig. 4.9 2-lead Resistance
Thermometer Input Connections

Remote Set Point	% ^ &
Fig. 4.10 3-lead Resistance
Remote Set Point Input Connections

Remote Set Point	% ^ &
Sleeved Link
Fig. 4.11 2-lead Resistance
Remote Set Point Input Connections

Remote Set Point % ^ &

Process Variable @ £ $

Sleeved

Link

+ –

Fig. 4.12 Current Input Connections

@ £ $

+ Tx –

Fig. 4.13 2-wire Transmitter

Power Supply Input Connections

Remote Set Point% ^ &

Process Variable @ £ $

Sleeved
Link	+	–

Fig. 4.14 Voltage Input Connections

Retransmission O/P 23 24

or 'Cool' Analogue O/P 25 26 in Heat/Cool

Current Proportioning

Control Output

+ –

Fig. 4.15 Current Proportioning Control and Retransmission Output Connections

12V Logic Output for ON/OFF	25	26
or Time-proportioning Control
	+	–
Fig. 4.16 Logic Control Output Connections
		13