EUTECH INSTRUMENTS ALPHA COND 500 - REV 4 Specifications download pdf (Page 20)

Transmitter Cond/Res 2-Channel M300 20

Printed in Switzerland 52 121 318

4.3 Connector PIN deﬁnition

4.3.1 TB1 and TB2 for 1/2DIN and 1/4DIN versions

*Dual-channel models only.

NO = normally open (contact open if un-actuated).

NC = normally closed (contact closed if un-actuated).

4.3.2 TB3 and TB4 for 1/2DIN and 1/4DIN versions

TB3 is used for wiring Two & Four Electrode Conductivity Sensors (including Thornton 240-xxx,

243-xxx and 244-xxx Series). TB 3 provides access to channel A signal inputs, TB4 provides

access to channel B signal inputs and is available on dual channel transmitters only.

Pin no. Sensor wire Color Transmitter

1 white Cnd inner 1

2 white/blue Cnd outer 1

3 blue Cnd inner 2

4 black & bare shield Cnd outer 2/ Shield

5 – not used

6 clear RTD ret/GND

7 red RTD sense

8 green RTD

9 – +5V

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 63 64

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EUTECH INSTRUMENTS ALPHA COND 500 - REV 4 Specifications Page 20