
Rockwell Automation Publication 1756-UM007C-EN-P - November 2011
1756-HSC Module Features 15
1756-HSC Parts Illustration
See
page 46
for details on RTB types.
Item Description
1 Backplane connector - The backplane interface for the ControlLogix
system connects the module to the backplane.
2 Top and bottom guides - Guides provide assistance in seating the
removable terminal block (RTB) onto the module.
3 Connector pins - Input/output, power, and grounding connections are
made to the module through these pins with the use of an RTB.
4 Status indicators - Indicators display the status of communication, module
health, and presence of input/output devices. Use these indicators to help
in troubleshooting.
5 Locking tab - The locking tab anchors the RTB on the module, maintaining
wiring connections.
6 Slots for keying - The slots let you mechanically key the RTB to prevent
inadvertently making the wrong wire connections to your module.
7 Removable terminal block - The RTB lets you connect and house the
wiring. There are several types of RTBs.
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