Rockwell Automation 1769-IT6 Compact I/O Thermocouple/mV Input Module - Manual (Page 10)

10 Compact I/O Thermocouple/mV Input Module
Publication 1769-IN026C-EN-P - February 2010
Mount the Module to a DIN Rail
The module can be mounted by using these DIN rails: 35 x 7.5 mm (EN 50 022 - 35 x 7.5) or
35 x 15 mm (EN 50 022 - 35 x 15).
Before mounting the module on a DIN rail, close the DIN rail latches. Press the DIN rail
mounting area of the module against the DIN rail. The latches will momentarily open and
lock into place.
Replace a Single Module within a System
Follow these steps to replace the module while the system is mounted to a panel or DIN rail.
1. Remove power.
2. On the module to be removed, remove the upper and lower mounting screws from
the module (or open the DIN rail latches with a screwdriver).
3. Move the bus lever to the right to disconnect (unlock) the bus.
4. On the right-side adjacent module, move its bus lever to the right (unlock) to
disconnect it from the module to be removed.
5. Gently slide the disconnected module forward.
If you feel excessive resistance, check that the module has been disconnected from
the bus and that both mounting screws have been removed (or DIN rail latches
opened).
ATTENTION
Remove power before removing or inserting this module. When you remove or insert a
module with power applied, an electrical arc may occur. An electrical arc can cause
personal injury or property damage by:
• sending an erroneous signal to your system’s field devices, causing unintended
machine motion.
• causing an explosion in a hazardous environment.
Electrical arcing causes excessive wear to contacts on both the module and its mating
connector. Worn contacts may create electrical resistance.
TIP
You may need to rock the module slightly from front to back to remove it, or, in a
panel-mounted system, loosen the screws of adjacent modules.