4
ControlLogix™ Sourcing Current Loop Input Module
Publication
1756-IN579A-EN-P - March 2003
Removal and Insertion Under Power
Be sure that power is removed or the area is nonhazardous before
proceeding. Repeated electrical arcing causes excessive wear to
contacts on both the module and its mating connector. Worn contacts
may create electrical resistance that can affect module operation.
Identify the Module Components
You received the following components with your order:
·
1756-IF6CIS module
·
Removable Terminal Block (RTB) door label
If you did not receive these components, contact your local
distributor Rockwell Automation sales office.
This module mounts in a 1756 chassis and uses a separately-ordered
RTB or a Bulletin 1492 Interface Module (IFM)
(1)
to connect all
field-side wiring. This module uses one of the following RTBs:
·
1756-TBNH 20 position NEMA RTB
·
1756-TBSH 20 position Spring Clamp RTB
!
WARNING
When you insert or remove the module while backplane
power is on, an electrical arc can occur. This could cause
an explosion in hazardous location installations.
(1)
The Bulletin 1492 IFM may not be used in any application that requires agency certification of the
ControlLogix system. Use of the IFM violates the UL, CSA and FM certifications of this product.