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Appendix
NX-series Safety Control Unit User’s Manual (Z930)
A-6 I/O Ports for Safety I/O Units That Are
Displayed in the I/O Map of the NJ/NX-series
A
A-6-4 NX-SOD400 Safety Output Unit
IO Power Supply
Error Flag
BOOL R IO Power
Supply
Error Flag
This flag indicates the status of the
I/O power supply voltage.
0: The I/O power supply voltage is
normal.
1: The I/O power supply voltage is
incorrect or the I/O power supply is
OFF.
0 ---
Standard Input 2nd
Byte
BYTE R Standard
Input 2nd
Byte
--- 00 hex ---
So00 Status BOOL R So00 Status Gives the status of safety output
terminal 00.
0: Error
1: No error
0 ---
So01 Status BOOL R So01 Status Gives the status of safety output
terminal 01.
0: Error
1: No error
0 ---
A-6-4 NX-SOD400 Safety Output Unit
Port
Data
type
R/W Name Description Default
Corre-
sponding
port name
Standard Input 1st
Byte
BYTE R Standard
Input 1st
Byte
--- 00 hex ---
So00 Monitor Value BOOL R So00 Moni-
tor Value
Gives the status of safety output
terminal So00.
0: OFF, 1: ON
0 So00 Out-
put Value
So01 Monitor Value BOOL R So01 Moni-
tor Value
Gives the status of safety output
terminal So01.
0: OFF, 1: ON
0 So01 Out-
put Value
So02 Monitor Value BOOL R So02 Moni-
tor Value
Gives the status of safety output
terminal So02.
0: OFF, 1: ON
0 So02 Out-
put Value
So03 Monitor Value BOOL R So03 Moni-
tor Value
Gives the status of safety output
terminal So03.
0: OFF, 1: ON
0 So03 Out-
put Value
Safety Connection
Status
BOOL R Safety Con-
nection Sta-
tus
This flag indicates when a safety
connection is active. Use it for an
input to the Activate terminal on a
safety FB or for safety connec-
tion/disconnection applications.
0Same
Safety Output Termi-
nal Status
BOOL R Safety Out-
put Termi-
nal Status
This flag indicates the status of the
safety output terminals.
0: An error has occurred on one of
the safety output terminals.
1: All of the safety output terminals
are normal (no errors).
0Same
Port
Data
type
R/W Name Description Default
Corre-
sponding
port name
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