Product Category

Safety CPU Unit

NX-SL5[][][]

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

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, EAC, 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/s
2
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/s
2, 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
Hardware switch settings
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.