Rockwell Automation 1769-OB32T Compact 32-point Solid-state 24V dc Source Output Module - Manual (Page 7)

Compact 32-point Solid-state 24V dc Source Output Module 7
Publication 1769-IN080A-EN-P - August 2006
5. Use your fingers or a small screwdriver to push the bus lever back slightly to
clear the positioning tab (3).
6. To allow communication between the controller and module, move the bus
lever fully to the left (4) until it clicks, making sure it is locked firmly in
place.
7. Attach an end-cap terminator (5) to the last module in the system by using
the tongue-and-groove slots as before.
8. Lock the end-cap bus terminator (6).
Replace a Single Module Within a System
The module can be replaced while the system is mounted to a panel (or DIN rail).
1. Remove power.
Refer to Remove Power on page 3.
2. 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 is disconnected from
the bus and that both mounting screws are removed (or DIN latches
opened).
ATTENTION
When attaching I/O modules, it is very important that the bus connectors are
securely locked together to be sure of proper electrical connection.
IMPORTANT
You must use a 1769-ECR or 1769-ECL right or left end cap to terminate the end
of the serial communication bus.
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