Control valves

Positioners and controllers

1A

1B

2A

2B

LB

LC

3A

3B

3C

3D

L

N

4A

4B

4C

5A

5B

5C

HB

HC

HD

HE

HF

AA

C

D

Outputs

5 and 6

AB

AC

RV

4.4.17

RI

RC

PH

PW

PL

V

VI

V+

R

V-

Wiring diagrams

Warning: Safe operation of this product can only be guaranteed if it is properly installed, commissioned, used and maintained by

qualified personnel as stated in the IMI supplied with the unit. It is the duty of the Company Safety Officer to ensure that the product

specific data and Safety information within the supplied IMI has been fully understood and complied with.

Terminal diagram

IO1

Relay output

Output 2

Analogue 4-20 mA

Digital

input B

+

Output 3

Analogue 4-20 mA

-

+

Transmitter supply

24 V ±10%

Digital inputs C and D

Output 4

(Changeover relay)

Remote setpoint input

V

0-10 V; 4-20 mA

Potentiometer input

Valve position control

-

Sensor input

Line supply

100 to 230 Vac

48 to 62 Hz

R = 2.49 W

+

-

+

-

Thermocouple

Digital communications

EIA 422

RTD

mV

mV

Tc

Pt100

mA

TI-P323-30 CH Issue 3

SX90 Process Controller

Page 4 of 5