Steps to replace the adapter, Field wiring connections, Grounding the adapter – Rockwell Automation 1769-ADN Compact I/O DeviceNet Adapter User Manual
Page 15
Compact I/O 1769-ADN DeviceNet Adapter 15
Rockwell Automation Publication 1769-IN001C-EN-P - February 2013
Steps to Replace the Adapter
The adapter can be replaced while the system is mounted to a panel (or DIN rail).
1. Remove power. See important note on page 6.
2. Remove the DeviceNet cable from the module by removing the connector.
3. Remove the upper and lower mounting screws from the adapter (or open the DIN
latches using a flat-blade or phillips-style screwdriver).
4. On the right-side adjacent module, move its bus lever to the right (unlock) to disconnect
it from the adapter being removed.
5. Gently slide the disconnected adapter forward.
If you feel excessive resistance, make sure that you disconnected the adapter from the
bus and that you removed both mounting screws (or opened the DIN latches).
6. Before installing the replacement adapter, be sure that the bus lever on the right-side
adjacent module is in the unlocked (fully right) position.
7. Slide the replacement adapter into the open slot.
8. Connect the adapter and modules together by locking (fully left) the bus levers on the
right-side adjacent module.
9. Replace the mounting screws (or snap the adapter onto the DIN rail).
10. Replace the DeviceNet cable on the module by attaching the connector to the module.
11. Set the network address switches to the same value as the removed adapter.
Field Wiring Connections
Grounding the Adapter
This product is intended to be mounted to a well-grounded mounting surface such as a metal
panel. Additional grounding connections from the adapter’s mounting tabs or DIN rail (if used),
are not required unless you cannot ground the mounting surface. Refer to Industrial Automation
Wiring and Grounding Guidelines, publication
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.