Control valves
Positioners and controllers
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
-
Line supply
Digital inputs A and B
A
B
Output 3
Output 4
Sensor input
R = 2.49W
mA
mV
1A
1B
2A
2B
L
N
LA
LB
LC
HE
HF
AA
AB
Normally open relays
AC
VI
+
V+
100 to 230 Vac ±15%
48 to 62 Hz
V
+
-
+
-
Thermocouple
mV
Tc
V-
R
Transmitter power supply
18 V ±15%
Pt100
RTD
Wiring diagram for connecting a 4-20 mA transmitter
1A
1B
2A
2B
L
N
LA
LB
LC
Transducer
supply
+24v
0v
AA
AB
HF
AC
VI
HE
V+
2 R49
i < 30 mA
i = 4-20 mA
1 (+)
(-) 2
4
TI-P323-28 CH Issue 2
SX80 Process Controller
Page 3 of 3
4-20 mA sensor
V-
V = 10-50 mV
Screen
4.4.12
