USER MANUAL Instruction Manual

Using This Manual
Preface
P2
Block I/O consists of small, self–contained remote I/O devices complete
with power supply, programmable controller interface, input/output
connections and signal conditioning circuitry. Table P.A is a list of
available block I/O modules.
Table P.A
Types
of Block I/O
Catalog Number Description Publication Number
1791-IOBA 8 sinking inputs, 8 sourcing outputs
1791
-
658
1791-IOBB 10 sinking inputs, 6 sourcing outputs
1791-6.5.8
1791-IOVA 8 sourcing inputs, 8 sinking outputs
1791
-
656
1791-IOVB 10 sourcing inputs, 6 sinking outputs
1791-6.5.6
1791-IOBW 32 sinking inputs, 32 sourcing outputs
1791
-
657
1791-IOVW 32 sourcing inputs, 32 sinking outputs
1791-6.5.7
1791-IOBX 64 sinking inputs, 64 sourcing outputs
1791
-
652
1791-IOVX 64 sourcing inputs, 64 sinking outputs
1791-6.5.2
This publication covers the 1791–IOBA/B and –IOBB/B block I/O
modules. The 1791–IOBA/B has 8 inputs and 8 outputs; the
1791–IOBB/B has 10 inputs and 6 outputs. In all other respects, they are
identical.
For a list of publications with information on Allen–Bradley
programmable controller products, consult our publication index (SD499).
About Block I/O
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