Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Network Communication Module - Manual (Page 6)

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F. Before installing the replacement 1769-SM2 module, be sure that the
bus lever on the right-side adjacent module is in the unlocked (fully
right) position.
G. Slide the replacement 1769-SM2 module into the open slot.
H. Connect the 1769-SM2 module and adjacent modules together by
locking (fully left) the bus levers on the 1769-SM2 module and the
right-side adjacent module.
I. Replace the mounting screws (or snap the module onto the DIN rail).
J. Plug the appropriate communications cable into its respective port on
the 1769-SM2 module.
K. Restore 1769-SM2 module configuration using an appropriate
configuration tool.
Step 6 Connect the module to the drive(s).
For information and network wiring examples, see the 1769-SM2 User
Manual.
NOTE: For Single or Multi-Drive mode, there is a maximum cable
distance limit per channel. See the 1769-SM2 User Manual for details.
Step 7 Ground the module.
The 1769-SM2 module is intended to be mounted to a well-grounded
mounting surface such as a metal panel. Additional grounding connections
from the module’s mounting tabs or DIN rail (if used) are not required
unless the mounting surface cannot be grounded. For additional
information, refer to Industrial Automation Wiring and Grounding
Guidelines, publication No. 1770-4.1.
For details on shielded connector and unshielded connector grounding
requirements, see the 1769-SM2 Compact I/O DSI/Modbus Network
Communication User Manual, publication 1769-UM013.