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NX-SL3[][][]
Safety CPU Unit
![NX-SL3[][][]](/Images/l_3243-24-176955-198x198.jpg)
The simplest way to integrate safety into ultra-high-speed machine automation - Bring safety to your production site
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last update: March 1, 2024
Regulations and Standards
Safety CPU Units NX-SL3[][][]
| 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 |
| UL | • NRAG (UL 508 and ANSI/ISA 12.12.01)
• NRAG7 (CSA C22.2 No. 142 and CSA C22.2 No. 213) |
| Shipbuilding Standards | NK, LK |
The NX-series Safety CPU 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
• Requirements for PLe (Performance Level e) and category 4 in EN ISO13849-1
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 (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. | |
| 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 | 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 |
|
| Installation method | DIN Track (IEC 60715 TH35-7.5/TH35-15) | |
Unit Specifications
| 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 I/O
connections |
32 | 128 |
| Number of FSoE master
connections |
32 | 128 |
| I/O refreshing method | Free-Run refreshing | |
| External connection
terminals |
None | |
| Indicators |  |
 |
| 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 *1 | • Connected to a CPU Unit *2
1.25 W max. • Connected to a Communications Coupler Unit 0.90 W max. |
|
| Current consumption
from I/O power supply |
No consumption | |
| Weight | 75 g max. | |
| Installation orientation and
restrictions |
Installation orientation:
• Connected to a CPU Unit *2 Possible in the upright installation orientation. • Connected to a Communications Coupler Unit *3 Six possible orientations. Restriction: None |
|
*1 The cable length for the Units that supply power to the corresponding Unit must be up to 20 m.
*2 The NX102 CPU Unit and NX502 CPU Unit can be connected.
*3 The NX-SL3300 can be connected to the NX-ECC20[] EtherCAT Coupler Unit and NX-EIC202 EtherNet/IP Coupler Unit.
The NX-SL3500 can be connected to the NX-ECC20[] EtherCAT Coupler Unit.
*2 The NX102 CPU Unit and NX502 CPU Unit can be connected.
*3 The NX-SL3300 can be connected to the NX-ECC20[] EtherCAT Coupler Unit and NX-EIC202 EtherNet/IP Coupler Unit.
The NX-SL3500 can be connected to the NX-ECC20[] EtherCAT Coupler Unit.
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-SL3[][][] Safety CPU Units.
| CPU Unit and
Communications Unit |
NJ/NX Series
CPU Unit *1 |
Communications Unit | ||
|---|---|---|---|---|
| NX102 CPU Unit
NX502 CPU Unit |
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-SL3300 | YES | YES | YES | No |
| NX-SL3500 | YES | YES | No | No |
*1 The NX-SL3[][][] Safety CPU Unit cannot be connected directly to the NJ/NX1P/NX7 CPU Unit. The NX-ECC20[]
EtherCAT Coupler Unit is required to connect a system using these CPU Units.
*2 Refer to Version Information for the possible combinations of versions of Units and Sysmac Studio. The NX-I/O Edition
can be used for configuration of a stand-alone safety control system using the EtherNet/IP Coupler Unit and NX-SL3300
Safety CPU Unit.
EtherCAT Coupler Unit is required to connect a system using these CPU Units.
*2 Refer to Version Information for the possible combinations of versions of Units and Sysmac Studio. The NX-I/O Edition
can be used for configuration of a stand-alone safety control system using the EtherNet/IP Coupler Unit and NX-SL3300
Safety CPU Unit.
Version Information
The following table shows the possible combinations of versions of NX-series Safety Control Units, CPU Units, Communications Coupler 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) for details.
NX-SL3[][][] version 1.1 can be connected to the following versions of the CPU Unit:
• NX102 CPU Unit version 1.30 or later and Sysmac Studio version 1.22 or higher
• NX502 CPU Unit version 1.60 or later and Sysmac Studio version 1.54 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:
EtherCAT Coupler Unit |
NX bus master:
EtherNet/IP Coupler Unit |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model | Unit
version |
NX102-
[][][][] |
Sysmac
Studio |
NX502-
[][][][] |
Sysmac
Studio |
Communi-
cations Coupler Unit NX- ECC20[] |
NJ/NX1P/
NX7 CPU Unit *1 |
Sysmac
Studio |
Communi-
cations Coupler Unit NX- EIC202 |
Sysmac
Studio |
| NX-SL3300 | Ver.1.0 | Ver.1.30
or later |
Ver.1.22
or higher |
Ver.1.60
or later |
Ver.1.54
or higher |
Ver.1.1
or later |
Ver.1.06
or later |
Ver.1.07
or higher |
--- | --- |
| Ver.1.1 | Ver.1.10
or higher |
Ver.1.0
or later |
Ver.1.10
or higher |
|||||||
| NX-SL3500 | Ver.1.0 | Ver.1.30
or later |
Ver.1.22
or higher |
Ver.1.60
or later |
Ver.1.54
or higher |
Ver.1.2
or later |
Ver.1.07
or later |
Ver.1.08
or higher |
--- | --- |
| Ver.1.1 | Ver.1.10
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.1.2
or later |
Ver.1.06
or later |
Ver.1.07
or higher |
--- | --- |
| Ver.1.1 | Ver.1.10
or higher |
Ver.1.0
or later |
Ver.1.10
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.1.1
or later |
Ver.1.06
or later |
Ver.1.07
or higher |
Ver.1.0
or later |
Ver.1.10
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.1.1
or later |
Ver.1.06
or later |
Ver.1.07
or higher |
Ver.1.0
or later |
Ver.1.10
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.1.1
or later |
Ver.1.06
or later |
Ver.1.07
or higher |
Ver.1.0
or later |
Ver.1.10
or higher |
*1 This is version information when the NJ/NX1P/NX7 CPU Unit is used as the EtherCAT master in the system. The Safety
Control Unit cannot be connected directly to these CPU Units.
Control Unit cannot be connected directly to these CPU Units.
last update: March 1, 2024
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