Omron NX-SID Series User Manual

2-2
Safety Input Unit
This section describes the models and specifications of the Safety Input Units as well as the names
and functions of the parts.
2-2-1
Models and Specifications
The Safety Input Unit specifications are described below.
Models
The following table specifies the list of Safety Input Unit models.
Model
Number of
safety in-
put points
Number
of test
output
points
Internal I/O
common
Rated
input
voltage
OMRON
Special
Safety Input
Devices
Number
of safety
slave
connec-
tions
I/O refresh-
ing method
NX-SIH400 4 points 2 points Sinking in-
puts (PNP)
24 VDC Can be con-
nected.
1 Free-Run re-
freshing
NX-SID800 8 points 2 points Sinking in-
puts (PNP)
24 VDC Cannot be
connected.
1 Free-Run re-
freshing
General Specifications
This section provides the general specifications of the Safety Input Unit.
Item Specification
Enclosure Mounted in a panel (open)
Grounding method Ground to 100 Ω or less
2 Specifications
2 - 16
NX-series Safety Control Unit User's Manual (Z930)

Omron NX-SID Series Specifications

General

Brand	Omron
Model	NX-SID Series
Category	Controller
Language	English