I/O Modules And Wiring - AB Quality Allen-Bradley 2755-SN3 User Manual

I/O Modules and Wiring

Installing the Wiring Base and Power Supply
The wiring base supports 2 optional input or output modules. Any of
these modules can be used. These modules function like switches,
they do not supply a voltage. Refer to Appendix A for specifications.
ATTENTION: The wiring base contains hazardous
voltages which can cause shock, burns or death.
!
Disconnect and lockout all power sources before
servicing. Verify power with meter.
Description
DC Output Module – rated at 3 to 60 VDC.
AC Output Module – rated at 12 to 140 VAC.
AC Output Module – rated at 24 to 280 VAC.
DC Input Module – accepts 3.3 to 32 VDC.
AC/DC Input Module – accepts 90 to 140 VRMS or VDC
AC/DC Input Module – accepts 180 to 280 VRMS or VDC
All of the I/O modules plug into the wiring base and are secured by a
screw through the module.
Connect the I/O wiring to the two I/O terminal blocks. When using
DC modules, observe the polarity of the connections (shown on
circuit board or label on wiring base insulating cover).
Earth Ground
I/O Modules
Catalog No.
2755-OB5S
2755-OA5S
2755-OM5S
Mounting Screw
I/O Connectors
Wiring Base
3–19
2755-IB5S
2755-IA5S
2755-IM5S