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6 System Configuration and Setup
NX-series Safety Control Unit User’s Manual (Z930)
6-6 Registering Device Variables
6
NX-SID800 Safety Input Unit
Port Data type R/W Name Description Default
Si00 Logical Value SAFEBOOL R Si00 Logi-
cal Value
Gives the status of
safety input terminal
Si00.
0: OFF, 1: ON
0
Si01 Logical Value SAFEBOOL R Si01 Logi-
cal Value
Gives the status of
safety input terminal
Si01.
0: OFF, 1: ON
0
Si02 Logical Value SAFEBOOL R Si02 Logi-
cal Value
Gives the status of
safety input terminal
Si02.
0: OFF, 1: ON
0
Si03 Logical Value SAFEBOOL R Si03 Logi-
cal Value
Gives the status of
safety input terminal
Si03.
0: OFF, 1: ON
0
Si04 Logical Value SAFEBOOL R Si04 Logi-
cal Value
Gives the status of
safety input terminal
Si04.
0: OFF, 1: ON
0
Si05 Logical Value SAFEBOOL R Si05 Logi-
cal Value
Gives the status of
safety input terminal
Si05.
0: OFF, 1: ON
0
Si06 Logical Value SAFEBOOL R Si06 Logi-
cal Value
Gives the status of
safety input terminal
Si06.
0: OFF, 1: ON
0
Si07 Logical Value SAFEBOOL R Si07 Logi-
cal Value
Gives the status of
safety input terminal
Si07.
0: OFF, 1: ON
0
Safety Connection Status SAFEBOOL R Safety Con-
nection Sta-
tus
This flag indicates
when a safety connec-
tion is active. Use it for
an input to the Activate
terminal on a safety FB
or for safety connec-
tion/disconnection
applications.
0
Safety Input Terminal Status SAFEBOOL R Safety Input
Terminal
Status
This flag indicates the
status of the safety
input terminals.
0: An error has
occurred on one of the
safety input terminals.
1: All of the safety input
terminals are normal
(no errors).
0