AB Quality ALLEN-BRADLEY 1791 User Manual page 24

Chapter 2
Installing Block I/O
RIO
2-6
Figure 2.5
Wiring Connections for the 120V ac Analog Block with Voltage Inputs
RIO
Figure 2.6
Wiring Connections for the 24V dc Analog Block with Voltage Input
GND
NOT
USED
BLU
CLR
RET
in0
GND
in0
RET
in1
GND
in1
RET
in2
GND
in2
RET
in3
GND
in3
RET
out0
RET
out1
NOT
USED
30
1
L1
L1
GND
N
NOT
USED
NOT
Voltage Input
USED
BLU
+
SHD
CLR
in V0
RET
User Analog
in0
in I0
Input Device
GND
in0
in V1
-
RET
in1
in I1
GND
in1
in V2
RET
in2
in I2
GND
User +24V
in2
in V3
RET
in3
in I3
GND
in3
+24
+
RET Vdc
out0
out0
RET
out1 User Analog
out1
Output Device
NOT
USED
-
30
1
+
+24V dc
+24
Supply
RET
+24
NOT
Voltage Input
USED
+
SHD
in V0
User Analog
in I0
Input Device
in V1
-
in I1
in V2
in I2
User +24V
in V3
in I3
+24
+
Vdc
out0
User Analog
out1
Output Device
-
L2/N
Analog signals must be within the 10V
common mode voltage range which is
referenced to the analog input common
(GND). Typically, this is accomplished by
connecting to user ground. If an input
channel floats outside of this range,
invalid input readings will result.
User GND
Output
-
Analog signals must be within the 10V
common mode voltage range which is
referenced to the analog input common
(GND). Typically, this is accomplished by
connecting to user ground. If an input
channel floats outside of this range,
invalid input readings will result.
User GND
Output