Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 460)

Section 8
Communication Interface
8-27
On 9/230 controls the remote I/O circuitry and plug are integral parts of the
main board. No external module exists. Figure 8.19 shows the remote I/O
connector and LED mounted on the 9/230 mother board.
Wire connections for the remote I/O communications are made through the
TB4 NODE ADAPT connector. Connect the wires for remote I/O as
shown in the following figure. Refer to your 1771 I/O documentation for
details on making remote I/O connections.
Figure 8.19
Remote I/O Module Mounted in the Component Enclosure
TB2 TB3 J3 J2 J1
TB1
INPUT
115/230V
8A/5.5A
47 - 63 Hz
The analog 9/230 enclosure
Clear
Shield
Blue
DS4 NA COMM ACTIVE LED for Remote I/O
TB4
NODE
ADAPT
9/230 Remote I/O LED
Assuming you have:
made all necessary remote I/O communication connections on your
1771 I/O network
configured your remote I/O port for the remote I/O network in AMP
written PAL to set $RMON true during the first PAL foreground
execution, and to handle input and output words ($RMI1 -- $RMI8
inputs to PAL and $RMO1 -- $RMO8 outputs from PAL.)
8.9.3
9/230 Remote I/O
Connection