Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.
Omron NX-SOH200 — Safety Output, 2 PNP, 2.0 A, SIL 3
SKU: NX-SOH200USD 140.00
Omron NX-SOH200 NX safety output unit, 2 PNP points, 2.0 A per point, 24 VDC, SIL 3 / PLe Cat 4. In stock.
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Product Overview
The Omron NX-SOH200 is a 2-point safety output unit from the NX-series safety I/O family, manufactured by Omron Corporation. Hengyixin Automation stocks this safety device in Xiamen and ships within 3-5 business days; safety-rated components ship with a batch-trace certificate. Specifications on this page were checked against Omron's NX-series I/O System brochure (R183).
The two safety outputs are PNP (sourcing) and switch up to 2.0 A per point, 4.0 A total at 40 degC and 2.5 A total at 55 degC. Rated voltage is 24 VDC 20.4 to 28.8 V. The screwless push-in 8-terminal connector handles the output wiring. ON residual is 1.2 V max, OFF leakage 0.1 mA max, phot coupler isolation.
The unit is SIL 3 per IEC 61508 and PLe Category 4 per EN ISO 13849-1. It draws 1.05 W max from the NX bus. The body is 12 x 100 x 71 mm, 90 g. It mounts on an NX-series CPU or Safety Control Unit. For 4 safety outputs, use the NX-SOD400. For 8 safety inputs, use the NX-SID800.
Key Features
- NX-series safety output unit, 2 PNP (sourcing) safety output points
- 2.0 A per point, 4.0 A total at 40 degC, 24 VDC 20.4 to 28.8 V rated
- SIL 3 per IEC 61508, PLe Category 4 per EN ISO 13849-1
- Screwless push-in 8-terminal connector, 12 x 100 x 71 mm, 90 g
- SKU: NX-SOH200
- Series: Omron NX-series safety I/O output unit
- Voltage: 24 VDC
Best-Fit Applications
- Driving a safety contactor coil and a guard-door lock on a robotic cell where the 2.0 A per point covers both loads from one NX-SOH200
- Safe-shutdown output on a packaging line where the two PNP points feed two independent stop circuits and meet the CE risk assessment
- Spare replacement on an existing NX-SOD400 application where the cell needs to scale down to 2 safety outputs without changing the rack
Buying Checklist
- Pick the NX-SOH200 for a 2-point PNP safety output on the NX bus rated SIL 3 / PLe Cat 4 and 2.0 A per point.
- Pick the NX-SOD400 instead when the application needs 4 safety outputs at 0.5 A per point on the same NX bus.
- Pick the NX-SID800 instead when the panel needs 8 safety inputs (light curtains, e-stops, guard switches) on the same NX bus.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron NX-series safety I/O output unit |
| Model / SKU | NX-SOH200 |
| Safety Outputs | 2 PNP (sourcing) |
| Load Current | 2.0 A per point; 4.0 A total at 40 degC; 2.5 A total at 55 degC |
| Rated Voltage | 24 VDC (20.4 to 28.8 VDC) |
| ON / OFF Residual | 1.2 V max ON; 2 V max OFF residual; 0.1 mA max OFF leakage |
| I/O Connection | Screwless push-in, 8 terminals |
| Isolation | Photocoupler; 20 MOhm at 100 VDC; 510 VAC 1 min dielectric |
| Functional Safety | SIL 3 per IEC 61508; PLe Category 4 per EN ISO 13849-1 |
| NX Bus Power | 1.05 W max |
| Dimensions / Weight | 12 (W) x 100 (H) x 71 (D) mm; 90 g |
Manufacturer documentation
Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.
FAQ for NX-SOH200
Is the NX-SOH200 SIL 3 rated?
Yes. The NX-SOH200 is certified to SIL 3 per IEC 61508 and Performance Level e Category 4 per EN ISO 13849-1. The unit achieves this through redundant output channels, internal cross-checking and the standard NX-series safety diagnostics.
What Safety CPU does the NX-SOH200 need?
An NX-SL3300 (32 I/O), NX-SL3500 (96 I/O) or NX-SL5500 (1024 I/O) Safety CPU. The unit also works on an NJ-series NX-ECC201 / NX-ECC202 EtherCAT coupler driven by a third-party safety master.
What do the LED indicators on the NX-SOH200 mean?
TS (green) = NX bus traffic normal. FS (red) = a safety-related fault. OUT (yellow) = the safety output is ON. OUT ERR (red) = output error such as overcurrent or ground fault.
Can I parallel the two outputs of the NX-SOH200?
No. The two outputs are independent safety channels and should drive separate safety loads, not the same load in parallel. Paralleling them would defeat the dual-channel safety architecture.
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