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APPX
Appendix 2 I/O Signals
Appendix 2 I/O Signals
This section describes the I/O signals of the RJ71EN71 and the RnENCPU (network part) for the CPU module. The I/O signal
assignment of when the start I/O number of the RJ71EN71 or the RnENCPU (network part) is "0" is listed below.
List of I/O signals
The following table lists I/O signals. The device X is an input signal from the RJ71EN71 and the RnENCPU (network part) to
the CPU module. The device Y is an input signal from the CPU module to the RJ71EN71 and the RnENCPU (network part).
The I/O signals differ when the network type is Ethernet, and Q-compatible Ethernet.
When network type is "Ethernet"
■Input signals
*1 This signal enabled when the network type for the P2 connector is set to "CC-Link IE Field". For details on operation of the signal, refer
to the following.
MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
■Output signals
• Do not use (turn on) any "use prohibited" signals as an input or output signal to the CPU module. Doing so
may cause malfunction of the programmable controller system.
• For the I/O signals of the P2 connector when its network type is set to "CC-Link IE Control", refer to the
following.
MELSEC iQ-R CC-Link IE Controller Network User's Manual (Application)
• For the I/O signals of the P2 connector when its network type is set to "CC-Link IE Field", refer to the
following.
MELSEC iQ-R CC-Link IE Field Network User's Manual (Application)
Device number Signal name
X0
*1
Module failure
(On: Module failure, Off: Module normal)
X1 to XE Use prohibited
XF Module ready
(On: Module operation possible, Off: Module operation not possible)
X10 to X1F Use prohibited
Device number Signal name
Y0 to Y1F Use prohibited
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