Rockwell Automation 1791-XXXX ANALOG BLOCK I/O - Manual (Page 9)

Introducing Block I/O
Chapter 1
1-2
Analog block outputs are configured at the factory for either a current
output or a voltage output. Outputs are not user-configurable.
Figure 1.1 shows the physical features of the block I/O.
Figure 1.1
Major Features of the Analog Block I/O Modules (1791ĆN4V2 shown)
2 mounting holes
for 1/4Ćinch screws
1
30
1791ĆN4V2
ANALOG BLOCK
Indicators
Equipment
Grounding
Stud
Removable
Terminal Strip for
Input, Output, Remote
I/O and Power
Connections
Switch
Assemblies
POWER
COMM
FAULT
12631ĆI
Terminal Strip - Remote I/O link, power and input/output connections are
made to the removable terminal strip for easy connection of wiring.
Switch Assembly - The modules contain two switch assemblies. Use these
assemblies to make the following settings:
I/O rack number
starting I/O group
communication rate
last I/O group
last state
transfer type
processor restart/lockout
Status Indicators - Indicators display the status of module power,
communication and fault. Use these indicators to help in troubleshooting.