NX-SL

Safety CPU Unit

NX-SL

The Safety CPU Unit controls up to 32 Safety I/O Units.

Item list of NX-SL

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last update: May 09, 2016

Regulations and Standards

Certification body	Standards
TÜV Rheinland *	EN ISO 13849-1: 2008 + AC: 2009 EN ISO 13849-2: 2012 IEC 61508 parts 1-7: 2010 EN 62061: 2005 EN 61131-2: 2007 EN ISO 13850: 2008 EN 60204-1: 2006 + A1: 2009 + AC: 2010 EN 61000-6-2: 2005 EN 61000-6-4: 2007 NFPA 79: 2012 ANSI RIA 15.06-1999 ANSI B11.19-2010 UL1998 IEC 61326-3-1: 2008
UL	cULus: Listed (UL508) and ANSI/ISA 12.12.01

* Certification was received for applications in which OMRON FSoE devices are connected to each other.

The NX-series Safety Control Units allow you to build a safety control system that meets the following standards.

Requirements for SIL 3 (Safety Integrity Level 3) in IEC 61508, EN 62061, Safety Standard for Safety Instrumented Systems (Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems)
Requirements for PLe (Performance Level e) and for safety category 4 in EN ISO13849-1

The NX-series Safety Control Units are also registered for C-Tick and KC compliance.

General Specification

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 (The upper limit of the ambient operating temperature is restricted by the installation orientation.)
	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: Conforms to JIS B3502 and IEC 61131-2.
	Noise immunity	Conforms to IEC 61131-2. 2 kV on power supply line (Conforms to IEC 61000-4-4.)
	Insulation class	Class III (SELV)
	Overvoltage category	Category II: Conforms to JIS B3502 and IEC 61131-2.
	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)
Applicable standards		IEC 61508: 2010 SIL 3, EN 62061: 2005 SIL CL3 EN ISO 13849-1, 13849-2: 2008 PL e/Safety Category 4 UL 1998 cULus: Listed UL508, ANSI/ISA 12.12.01 EN 61131-2, C-Tick, KC: KC Registration, NK, LR

Specifications of Individual Units

Safety CPU Unit NX-SL3300/SL3500

Unit name	Safety CPU Unit
Model	NX-SL3300	NX-SL3500
Maximum number of safety I/O points	256 points	1024 points
Program capacity	512 KB	2048 KB
Number of safety master connections	32	128
I/O refreshing method	Free-Run refreshing	Free-Run refreshing
External connection terminals	None	None
Indicators	FS indicator, VALID indicator, DEBUG indicator, TS indicator, and RUN indicator	FS indicator, VALID indicator, DEBUG indicator, TS indicator, and RUN indicator
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	0.90 W max.
Current consumption from I/O power supply	No consumption
Weight	75 g max.
Installation orientation and restrictions	Installation orientation: 6 possible orientations Restrictions: None

Version Information

The combinations that can be used of the unit versions of the Safety Control Units, NJ/NX-series CPU Units, and NX-series EtherCAT Coupler Unit, and the version of the Sysmac Studio

NX Unit		Corresponding version *
Model number	Unit version	EtherCAT Coupler Unit NX-ECC20[]	NJ/NX-series CPU Units	Sysmac Studio	ErherNet/IP Coupler Unit (NX-EIC202)	Sysmac Studio
NX-SL3300	1.0	1.1 or later	1.06 or later	1.07 or later	---	---
NX-SL3300	1.1	1.1 or later	1.06 or later	1.10 or later	1.0 or later	1.10 or later
NX-SL3500	1.0	1.2 or later	1.07 or later	1.08 or later	---	---
NX-SL3500	1.1	1.2 or later	1.07 or later	1.10 or later	---	---

* Some Units do not have all of the versions given in the above table.
If a Unit does not have the specified version, support is provided by the oldest available version after the specified version.
Refer to the user’s manuals for the specific Units for the relation between models and versions.

last update: May 09, 2016

Product Category

Automation Systems
- Machine Automation Controllers
  - Safety Control Unit NX-Series
    - Safety CPU Unit
      - NX-SL

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