Page top

Global

NX-SL5[][][]

Safety CPU Unit

NX-SL5[][][]

Integrate safety into ultra-flexible, ultra-high-speed machine automation and build a distributed safety system

Item list of NX-SL5[][][]

Related Contents

last update: June 23, 2025

Regulations and Standards

Safety CPU Units NX-SL5[][][]

Certification body Standards
TÜV Rheinland • EN ISO 13849-1
• EN ISO 13849-2
• IEC 61508 parts 1-7
• IEC/EN 61131-2
• IEC 61326-3-1
• IEC 61131-6
UL • NRAG (UL 61010-1 and UL 61010-2-201 and UL 121201)
• NRAG7 (CSA C22.2 No. 61010-1 and CSA C22.2 No. 61010-2-201 and CSA C22.2 No. 213)
• FSPC (IEC 61508 and ISO 13849)
Shipbuilding Standards NK, LK

Using the NX-series Safety CPU Unit allows you to build a safety control system that meets the following standards:
• Requirements for SIL 3 in IEC 61508
• Requirements for PLe and Category 4 in EN ISO 13849-1
The NX-series Safety CPU Units are also registered for RCM and KC compliance.

General Specifications

Item Specification
Enclosure Mounted in a panel (open)
Grounding method Ground to 100 Ω or less
Operating
environment		 Ambient operating temperature 0 to 55°C
Ambient operating humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free from corrosive gases.
Ambient storage temperature -25 to 70°C (with no condensation or icing)
Altitude 2,000 m max.
Pollution degree 2 or less
Noise immunity Conforms to IEC 61131-2.
2 kV on power supply line
Insulation class Class III (SELV)
Overvoltage category II
EMC immunity level Zone B
Vibration resistance Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude
8.4 to 150 Hz, acceleration of 9.8 m/s2
100 minutes each in X, Y, and Z directions (10 sweeps of 10 min
each = 100 min total)
Shock resistance Conforms to IEC 60068-2-27.
147 m/s2, 3 times each in X, Y, and Z directions
Insulation resistance 20 MΩ between isolated circuits (at 100 VDC)
Dielectric strength 510 VAC for 1 min between isolated circuits,
leakage current: 5 mA max.
Installation method DIN Track (IEC 60715 TH35-7.5/TH35-15)

Unit Specifications

Unit name Safety CPU Unit
Model NX-SL5500 NX-SL5700
Maximum number of safety
I/O points		 1024 points 2032 points
Program capacity 2048 KB 4096 KB
Number of safet master
connections *1		 128 254
Number of CIP Safety
originator connections		 128 254
Number of CIP Safety target
connections		 4 4
Number of originators
that can be connected with
a multi-cast connection		 8 8
Number of FSoE maste
connections		 128 254
I/O refreshing method Free-Run refreshing
External connection terminals None
Indicators 3813_sp_3_1 3813_sp_3_2
Hardware switch settings 3813_sp_3_3 3813_sp_3_4
Dimensions 30 × 100 × 71 mm (W × H × D)
I/O power supply method Not supplied.
Current capacity of I/O power
supply terminals		 No I/O power supply terminals
NX Unit power consumption *2 3.35 W max.
Current consumption from
I/O power supply		 No consumption
Weight 130 g max.
Installation orientation and
restrictions *3		 Installation orientation: Upright installation
Restriction: None.

*1. This is the maximum number of Safety I/O connections that can be set to this Unit. The value is the total number of CIP
      Safety originator connections, CIP Safety target connections, and FSoE master connections.
*2. The cable length for the Units (Communication Control Unit and Power Supply Unit for NX Units) that supply power to
      the corresponding Unit must be up to 20 m.
*3. The NX102 CPU Unit, NX502 CPU Unit, and NX-CSG Communication Control Unit can be connected.

Combinations of CPU Unit, Communications Unit, and Software

The following table shows the NX-series CPU Unit, Communications Units, and Sysmac Studio editions that can be used with the NX-SL5[][][] Safety CPU Unit.

CPU Unit and
Communications
Unit		 NJ/NX Series
CPU Unit *1		 Communications Unit
NX102-[][][][]
NX502-[][][][]		 EtherCAT Coupler Unit
NX-ECC20[]		 EtherNet/IP Coupler
Unit
NX-EIC202		 Communication
Control Unit
NX-CSG320
Edition of
Sysmac Studio *2		 Standard Edition Standard Edition Standard Edition
Sysmac Studio Safety
Edition		 Standard Edition
Sysmac Studio Safety
Edition
NX-SL5500 YES No No YES
NX-SL5700 YES No No YES

*1. The NX-SL5[][][] Safety CPU Unit cannot be connected directly to the NJ/NX1P/NX7 CPU Unit. The NX-CSG320
      Communication Control Unit is required to connect a system using these CPU Units.
*2. Refer to Version Information for the possible combinations of the versions of Units and Sysmac Studio.

Version Information

The following table shows the possible combinations of versions of NX-series Safety Control Units, CPU Units, Communication Control Units, and Sysmac Studio. Available functions that are related to safety control vary depending on the versions of the units and Sysmac Studio. Refer to the NX-series Safety Control Unit User's Manual (Cat. No. Z930) and the NX-series Safety Control Unit/Communication Control Unit User's Manual (Cat. No. Z395) for details.

NX-SL5[][][] version 1.4 can be connected to the following versions of the CPU Unit or Communication Control Unit:
• NX102 CPU Unit version 1.31 or later and Sysmac Studio version 1.40 or higher
• NX502 CPU Unit version 1.60 or later and Sysmac Studio version 1.54 or higher
• NX-CSG version 1.01 or later and Sysmac Studio version 1.40 or higher

Combinations of versions

Safety Control Unit
model and version		 NX bus master:
NX102 CPU Unit		 NX bus master:
NX502 CPU Unit		 NX bus master:
Communication
Control Unit
Model Unit
Version		 NX102-[][][][] Sysmac Studio NX502-[][][][]
*1		 Sysmac Studio
*2		 Communication
Control Unit
NX-CSG		 Sysmac Studio
NX-SL5500 Ver.1.3 Ver.1.31 or later Ver.1.24 or
higher		 Ver.1.60 or later Ver.1.54 or
higher		 Ver.1.01 or later Ver.1.24 or higher
Ver.1.4 Ver.1.40 or
higher		 Ver.1.40 or higher
NX-SL5700 Ver.1.2 --- --- --- --- Ver.1.00 only Ver.1.24 or higher
Ver.1.3 Ver.1.31 or later Ver.1.24 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.01 or later Ver.1.24 or higher
Ver.1.4 Ver.1.31 or later Ver.1.40 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.01 or later Ver.1.40 or higher
NX-SIH400 Ver.1.0 Ver.1.30 or later Ver.1.22 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.00 or later Ver.1.24 or higher
Ver.1.1 Ver.1.24 or higher
NX-SID800 Ver.1.0 Ver.1.30 or later Ver.1.22 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.00 or later Ver.1.24 or higher
NX-SOH200 Ver.1.0 Ver.1.30 or later Ver.1.22 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.00 or later Ver.1.24 or higher
NX-SOD400 Ver.1.0 Ver.1.30 or later Ver.1.22 or
higher		 Ver.1.60 or
later		 Ver.1.54 or
higher		 Ver.1.00 or later Ver.1.24 or higher

*1. To use CIP Safety communications, connect the NX-EIP201 EtherNet/IP Unit to the NX502 CPU Unit or use the NX502-1[]00 CPU Unit version 1.64 or later.
*2. Use the Sysmac Studio version 1.56 or higher for CIP Safety communications via the built-in EtherNet/IP port on the NX502-1[]00 version 1.64 or later.

last update: June 23, 2025

Product Category

Site Information

© Copyright OMRON Corporation 2007 - 2025. All Rights Reserved.