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Connections to Serial Communications Option Boards Appendix F
• With NT-AL001 RS-232C/RS-422 Link Adapter
Note (1) The following cables are available for this connection.
It is recommended that one of these cables be used to connect the RS-232C port on the Option Board to
the NT-AL001 RS-232C/RS-422 Link Adapter. The recommended wiring for these cables is shown below.
• Wiring for the Recommended Cables (XW2Z-070T-1 and XW2Z-200T-1, 10-conductor Cables)
(2) The XW2Z-070T-1 and XW2Z-200T-1 Connecting Cables for the NT-AL001 Link Adapter uses spe-
cial wiring for the DTS and RTS signals. Do not use these signals with other devices; they may be
damaged.
(3) The Hood (FG) is internally connected to the ground terminal (GR) on the CPU Unit. Therefore, FG
is grounded by grounding the ground terminal (GR) on the power supply terminal block.
RS-422
FG
RS-232C
CP1H CPU Unit
Option Board
Pin
Remote device
Remote device
NT-AL001
Signal
Pin
Signal
Signal
Pin
Signal
Signal
Shield
(See note.)
Hood
Hood
Length Model
70 cm XW2Z-070T-1
2 m XW2Z-200T-1
Pin
Signal
Shield
Hood
Signal
Pin
Hood
SYSMAC PLC
NT-AL001
(internal)
Arrows indicate
signal directions
Loopback
Loopback
Not used.