Rtb types – Rockwell Automation 1756-XXXX ControlLogix Digital I/O Modules User Manual
Page 116
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Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
Chapter 6
Install ControlLogix I/O Modules
RTB Types
There are three types of RTBs:
•
Cage Clamp
—catalog number 1756-TBCH
•
NEMA Clamp
—catalog number 1756-TBNH
•
Spring Clamp
—catalog number 1756-TBSH or TBS6H
Each RTP comes with housing. Wire the RTB with a 3.2 mm (1/8 in.) maximum
screwdriver before installing it onto the module.
Cage Clamp
Follow these steps to wire a cage clamp.
1.
Strip 9.5 mm (3.8 in.) maximum length of wire.
2.
Insert the wire into the open terminal on the side.
3.
Turn the screw clockwise to close the terminal on the wire.
The open section at the bottom of the RTB is called the strain relief area. The
wiring from the connections can be grouped with a plastic tie.
20859-M
Strain Relief Area