Rockwell Automation 2755 I-O Module Board and Connector - Manual

Bulletin 2755 I/O Module Board
and Connector
(Catalog Number 2755-NB0, -NB1, -NB2)
This document shows how to install the following components in the
2755-DSxx
➀ and 2755-DDxx ➀ Bar Code Decoders.
•
I/O Module Board (Catalog No. 2755-NB1 and -NB2).
•
I/O Connector and Cables (Catalog No. 2755-NB0).
•
I/O Modules supplied with Catalog No. 2755-NB2. The I/O
modules are also available as separate catalog numbers as shown
on page 2.
This section shows how to install the I/O Module Board (Catalog
No. 2755-NB1 and -NB2) in the decoder. Refer to Figure 1 during
installation.
To install the I/O Module Board:
1. Remove AC power from decoder.
!
ATTENTION: Remove power from decoder before
installing the I/O Module Board. Failure to do so
could result in personal injury.
!
ATTENTION: ESD (Electrostatic Discharge) may
cause damage to electronic equipment. Take standard
precautions to minimize the possibility of an
electrostatic discharge when installing this option.
2. Loosen the two cover screws and open decoder cover.
3. Locate the four metal standoffs and one plastic support standoff
on the logic board. Also locate the connector on the logic board
labeled CON9 DISCRETE I/O. Align the I/O Board so that the
connector strip is positioned over CON9 DISCRETE I/O.
4. Place the I/O Module Board over the standoffs so that the plastic
center support snaps into the center hole on the I/O Board. Press
down firmly.
➀
Catalog numbers are incomplete. The 2755-DS and -DD decoders are available in different
configurations.
Installing I/O Module Board
(Catalog No. 2755-NB1,-NB2)
Installation Data