Safety analog input wiring examples – Rockwell Automation 1734-IE4S POINT Guard I/O Safety Modules User Manual User Manual
Page 66
66
Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 4
Install the Module
Safety Analog Input Wiring Examples
Figure 31 - 2-wire Current (4…20 mA) Sensor (SIL2 or SIL 3)
Figure 32 - 3-wire Voltage or Tachometer Sensor (SIL 2)
Guidelines for Wiring Safety Analog Inputs on page 65
.
V0
V1
V2
V3
I0
I1
I2
I3
COM
COM
COM
COM
S0
FE
S1
S2
S3
SIL2 or SIL 3
2-wire
Sensor
1734-TB Terminal Bases
Signal (I)
+24V
Cable Shield
V0
V1
V2
V3
I0
I1
I2
I3
COM
COM
COM
COM
S0
FE
S1
S2
S3
For analog voltage-output sensors, the signal levels for operation for the application must be outside the signal level when the signal is not
present, for example, when the wire is broken.
See
and
for tachometer wiring detail.
SIL 2
3-wire
Sensor
1734-TB Terminal Bases
Signal (V)
+24V
Cable Shield
Signal Return