CompactLogix Packaged Controllers 27
Publication 1769-IN082A-EN-P - July 2008
Expansion Module Wiring
Use the wiring diagrams specific to your expansion module.
Module wiring diagrams are available at http://literature.rockwellautomation.com.
Connect Using the RS-232 Connection
1769-L23E-QB1B, 1769-L23-QBFC1B, and 1769-L23E-QBFC1B controllers
To connect to your controller using the RS-232 (serial) connection, simply connect
the 9-pin female end of the serial cable to the serial port of the controller.
WARNING
If you connect or disconnect the serial cable with power applied to this module or the
serial device on the other end of the cable, an electrical arc can occur. This could
cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
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