Replacing a single module within a system, Din rail mounting – Rockwell Automation 1769-OF8V Compact Analog Output Module User Manual

Page 7

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Compact 1769-OF8V Analog Output Module 7

Publication 1769-IN066D-EN-P - June 2010

DIN Rail Mounting

The module can be mounted using the following 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.

Replacing a Single Module within a System

The module can be replaced while the system is mounted to a panel (or DIN rail). Follow the
steps below in order:

1. Remove power. See important note on page 3.

2. On the module to be removed, remove the upper and lower mounting screws from

the module (or open the DIN latches using a flat-blade or phillips-style 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 latches opened).

6. Before installing the replacement module, be sure that the bus lever on the module to

be installed, and on the right-side adjacent module are in the unlocked (fully right)
position.

7. Slide the replacement module into the open slot.

8. Connect the modules together by locking (fully left) the bus levers on the replacement

module and the right-side adjacent module.

9. Replace the mounting screws (or snap the module onto the DIN rail).

TIP

It may be necessary to rock the module slightly from front to back to
remove it, or, in a panel-mounted system, to loosen the screws of
adjacent modules.

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