Omron NX-SL5500 User Manual

A-6
I/O Ports of Safety I/O Units
The I/O ports of the Safety I/O Units are displayed on the I/O map of the Communications Coupler
Unit if you place the Safety I/O Units on the Communications Coupler Unit. When you place the Safety
I/O Units on the NX bus of the NX-series CPU Unit, their I/O ports are displayed on the I/O map of the
CPU Rack.
The names of the I/O ports that correspond to the data in the I/O Map of the Safety CPU Unit are giv-
en in the "Corresponding port name" Column. "Same" means that the same name is used.
A-6-1
NX-SIH400 Safety Input Unit
Port Data type R/W Name Description Default
Corre-
spond-
ing port
name
Standard Input
1st Byte
BYTE R Standard In-
put 1st Byte
--- 00 hex ---
Si00 Logical Val-
ue
BOOL R Si00 Logical
V
alue
Gives the status of safety input termi-
nal Si00.
0: OFF, 1: ON
0 Same
Si01 Logical V
al-
ue
BOOL R Si01 Logical
Value
Gives the status of safety input termi-
nal Si01.
0: OFF, 1: ON
0 Same
Si02 Logical V
al-
ue
BOOL R Si02 Logical
Value
Gives the status of safety input termi-
nal Si02.
0: OFF, 1: ON
0 Same
Si03 Logical V
al-
ue
BOOL R Si03 Logical
Value
Gives the status of safety input termi-
nal Si03.
0: OFF, 1: ON
0 Same
Safety Connec-
tion Status
BOOL
R Safety Con-
nection Sta-
tus
This flag indicates when a safety con-
nection is active. Use it for an input to
the Activate terminal on a safety FB or
for safety connection/disconnection
applications.
0 Same
Safety Input Ter-
minal Status
BOOL R Safety Input
Terminal Sta-
tus
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 Same
Unit Normal Sta-
tus
BOOL
R Unit Normal
Status
This flag indicates the status of the
Unit.
0: An error has occurred.
1: Normal (no errors)
0 ---
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 nor-
mal.
1: The I/O power supply voltage is in-
correct or the I/O power supply is OFF.
0 ---
Appendices
A - 74
NX-series Safety Control Unit User's Manual (Z930)

Omron NX-SL5500 Specifications

General

Brand	Omron
Model	NX-SL5500
Category	Controller
Language	English