Installation
Transport System Installation
268 MagneMotion
Rockwell Automation Publication MMI-UM002F-EN-P - October 2022
Figure 5-20: RS-422 Motor Communication Cable Connections
There is one RS-422 communication cable that is connected from the node controller to the
upstream connection on the first motor in a path. There is an additional RS-422 communica-
tion cable that is connected from the downstream connection on the motor to the upstream
connection on the motor for the next motor in the path. There is also an RS-422 communica-
tion cable that is connected from the downstream connection on the last motor in the path to
the node controller if the downstream end on that motor is connected in a node.
1. Connect an external communication cable from an RS-422 connector on the node con-
troller to the communication connector at the upstream end of the first motor in a path
(as defined in the transport system layout drawing). Tighten the connector shell finger
tight only – do not overtighten. Route the cable in the cable chase so it is shielded from
damage and can be easily accessed for service.
• For an NC-S or NC-12 node controller, connect to any RS-422 port. Tighten
the connector shell finger tight only – do not overtighten.
Upstream
Downstream
Downstream Connection
RS-422 Motor-to-Node Controller Cable
(typical)
Downstream
Connection
Connection
Node Controller
1 meter Motor
250 mm
Motor
Downstream
Upstream
Connection
(NC-12 Shown)
RS-422 Motor-to-Motor Cable
(typical)
Upstream
Connection
Upstream Connection
Network Connection (to Host)
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