Wiring for analog input (ai), Wiring for analog output (ao) – Rockwell Automation 1758-RTU202 DataSite Hardware User Manual User Manual
Page 31
Publication 1758-UM001D-EN-P - June 2011
Wiring the Controller
31
Wiring for Analog Input (AI)
The analog input circuits are equipped with overvoltage and overcurrent
protection to avoid damage due to false field connection. The field connection
can be divided into two-wire system and three-wire system.
There are two types of adjustable input ranges for analog inputs, 0…10V for
the 1758-FLO301 and 1758-RTU201 controllers, and 4…20 mA for the
1758-FLO302 and 1758-RTU202 controllers.
Wiring for Analog Output (AO)
AO has one type of output range, 4…20 mA. The output end is equipped with
short-circuit protection. It can be used to control the transducer, control valve,
temperature controller and other devices that need analog signal control.
V+
V-
AI0
AI1
AI2
AI3
AI4
AI5
V-
S
+
12V DC
power supply
2 wire
3 wire
2
3
4
5
6
7
8
9
10
1
44691
AOV+
AOV-
AOV-
AOV-
AO1
AO0
LOAD
LOAD
12…24 V
40
41
42
43
44
45
44692