204
APPX
Appendix 8 Safety I/O Signals
Safety input signal details
This section describes the details on the safety input signals for the I/O module with diagnostic functions in SIL2 mode that
are assigned to the CPU module.
The safety I/O numbers (SA\X/SA\Y) described in this section are the safety I/O numbers when 0 is set as the start number
with the safety data transfer device setting in the safety communication setting window.
Safety input signal
This input signal is used for safety control. The signal shows the ON/OFF state of an external input (X00 to X0F) of the input
module with diagnostic functions.
However, when the double wiring function or input response time setting function is enabled, the ON/OFF state of the safety
input signal (SA\X0) and the ON/OFF state of the actual external input (X00) may not match.
■
Device number
This number shows the device number of the safety input signal.
Safety output signal details
This section describes the details on the safety output signals for the I/O module with diagnostic functions in SIL2 mode that
are assigned to the CPU module.
The safety I/O numbers (SA\X/SA\Y) described in this section are the safety I/O numbers when 0 is set as the start number
with the safety data transfer device setting in the safety communication setting window.
Safety output signal
This output signal is used for safety control. The signal shows the ON/OFF state of an output to an external terminal (Y00 to
Y0F) of the output module with diagnostic functions.
However, when the double wiring function is enabled, the ON/OFF state of the safety output signal (SA\Y0) and the ON/OFF
state of the external output (Y00) may not match.
■
Device number
This number shows the device number of the safety output signal.
Signal name
External input
X00
X01
X02
X03
X04
X05
X06
X07
X08
X09
X0A
X0B
X0C
X0D
X0E
X0F
Safety input signal
SA\X
0
SA\X
1
SA\X
2
SA\X
3
SA\X
4
SA\X
5
SA\X
6
SA\X
0
SA\X
8
SA\X
9
SA\X
A
SA\X
B
SA\X
C
SA\X
D
SA\X
E
SA\X
F
Signal name
External output
Y00
Y01
Y02
Y03
Y04
Y05
Y06
Y07
Y08
Y09
Y0A
Y0B
Y0C
Y0D
Y0E
Y0F
Safety output signal
SA\Y
0
SA\Y
1
SA\Y
2
SA\Y
3
SA\Y
4
SA\Y
5
SA\Y
6
SA\Y
0
SA\Y
8
SA\Y
9
SA\Y
A
SA\Y
B
SA\Y
C
SA\Y
D
SA\Y
E
SA\Y
F
Содержание MELSEC iQ-RX40NC6B
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