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Omron Machine Controller NX-SL Series

NX-SL

Safety CPU Unit


NX-SL




EN ISO13849-1 (PLe/Safety Category4), IEC 61508 (SIL3) certified.

One connection using Safety over EtherCAT (FSoE) * protocol enables flexible configuration by mixing the Safety Units with standard NX I/O.

The Safety CPU Unit controls up to 128 Safety I/O Units.

Hardware and safety circuits can be configured using the Sysmac Studio (Ver. 1.07)

Compliant with IEC61131-3

Safety programs can be standardized and reused efficiently by using POUs for design and operation.












Safety Input Units


Unit 
type
Appearance Specification Model
Number 
of 
safety 
input 
points
Number 
of 
test 
output 
points
Internal 
I/O 
common
Rated 
input 
voltage
OMRON 
special 
safety 
input 
devices
Number of 
safety 
slave con- 
nections
I/O re- 
freshing 
method
Safety 
Input 
Units
3244_lu_1_1
4 points 2 points Sinking 
inputs 
(PNP)
24 VDC Can be 
connected. 
*
1 Free-Run 
refreshing
NX-SIH400
3244_lu_1_2
8 points 2 points Sinking 
inputs 
(PNP)
24 VDC Cannot be 
connected.
1 Free-Run 
refreshing
NX-SID800

* The following OMRON special safety input devices can be connected directly without a special controller. 

    For detail of connectable OMRON special safety input devices, refer to NX-series Safety Control Units User's Manual 
    (No.Z930-E1).


Type Model and corresponding PL and safety category
OMRON Single-beam Safety Sensors E3ZS and E3FS
OMRON Non-contact Door Switches D40Z 
D40A
OMRON Safety Mats UM
OMRON Safety Edges SGE (4-wire connection)

Safety Output Units


Unit 
type
Appearance Specification Model
Number 
of 
safety 
output 
points
Internal 
I/O 
common
Maximum load 
current
Rated 
voltage
Number 
of safety 
slave 
con- 
nections
I/O re- 
freshing 
method
Safety 
Output 
Units
3244_lu_3_1
2 points Sourcing 
outputs 
(PNP)
2.0 A/point, 4.0 A/Unit 
at 40°C, and 2.5 A/ 
Unit at 55°C 
The maximum load 
current depends on 
the installation 
orientation and 
ambient temperature.
24 VDC 1 Free-Run 
refreshing
NX-SOH200
3244_lu_3_2
4 points Sourcing 
outputs 
(PNP)
0.5 A/point and 
2.0 A/Unit
24 VDC 1 Free-Run 
refreshing
NX-SOD400

Option


Product Name Specification Model
Unit/Terminal Block Coding Pins For 10 Units (Terminal Block: 30 pins, Unit: 30 pins) NX-AUX02



Product name Specification Model
No. of 
terminals
Terminal number 
indications
Ground terminal 
mark
Terminal current 
capacity
Terminal Block 8 A/B None 10A NX-TBA082
16 A/B None 10A NX-TBA162



Safety CPU Unit


Unit 
type
Appearance Specification Model
Maximum number 
of safety I/O points
Program 
capacity
Number of safety 
master connections
I/O refreshing 
method
Safety 
CPU 
Unit
3243_lu_1_1
256 points 512 KB 32 Free-Run 
refreshing
NX-SL3300
3243_lu_1_2
1024 points 2048KB 128 Free-Run 
refreshing
NX-SL3500









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