Part of the Omron NX-Series Safety & I/O series — see the full model table, lifecycle status and replacement parts.
Omron NX-SID800 — NX Safety Input, 8 PNP, 24 VDC
SKU: NX-SID800USD 143.00
Omron NX-SID800 NX-series safety input unit, 8 PNP inputs, 2 test outputs, 24 VDC, screwless push-in. In stock.
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Product Overview
The Omron NX-SID800 is an 8-point safety input 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 unit ships with eight PNP (sinking) safety inputs rated 24 VDC (20.4 to 28.8 VDC) plus two sourcing test outputs at 50 mA max each for sensor diagnostics. Safety input current is 3.0 mA typical with ON voltage 15 VDC min and OFF voltage 5 VDC max. I/O refreshing is Free-Run, and the terminal block is a detachable 16-pole screwless push-in connector.
The unit is 12 mm wide on DIN rail, IP20, 0 to 55 C at 10 to 95 percent humidity. It is certified SIL 3 and PLe Cat 4, with TUV Rheinland, UL, and KC approvals. It mounts on an NX102 CPU or an NX-ECC201 EtherCAT coupler. The NX-SOD400 safety output unit is the typical sibling.
Key Features
- NX-series safety input unit, 8 PNP (sinking) safety inputs at 24 VDC, 2 sourcing test outputs at 50 mA max
- Screwless push-in 16-pole detachable terminal block, Free-Run I/O refreshing, NX bus powered
- SIL 3 per IEC 61508 and PLe Cat 4 per EN ISO 13849-1, TUV Rheinland / UL / KC / RCM approved
- 12 mm wide, 90 g max, DIN rail TH35-7.5 / TH35-15, 0 to +55 C, IP20
- SKU: NX-SID800
- Series: Omron NX-series Safety I/O (NX-SI / SO)
- I/O: 8 I/O
Best-Fit Applications
- Safety gate and emergency-stop wiring on a robotic cell where eight dual-channel e-stops feed the NX-SID800 and the NX-SL3300 safety CPU runs the stop logic
- Light-curtain monitoring on a packaging machine where the NX-SID800 supplies 24 VDC through the two test outputs and reads curtain state on the eight inputs
- Distributed safety I/O island on a conveyor line where the NX-SID800 rides on an NX-ECC203 coupler
Buying Checklist
- Pick the NX-SID800 for an 8-point NX-series safety input unit with PNP inputs and screwless push-in wiring.
- Pick the NX-SIH400 instead when only four dual-channel safety devices are wired and a narrower 4-point module is enough.
- Pick the NX-SOD400 instead when the cabinet needs the 4-point safety output side instead of inputs.
Technical Specifications
| Manufacturer | Omron Corporation (Japan) |
|---|---|
| Series | Omron NX-series Safety I/O (NX-SI / SO) |
| Model / SKU | NX-SID800 |
| Safety Input Points | 8 PNP (sinking), 24 VDC (20.4 to 28.8 VDC) |
| Test Output Points | 2 sourcing (PNP), 50 mA max, 1.2 V residual |
| Input Current / OFF | Permitted input voltage 20.4 to 28.8 VDC |
| Safety Integrity | SIL 3 (IEC 61508), PLe Cat 4 (EN ISO 13849-1) |
| Terminal Block | Screwless clamping, 16 poles, detachable, NX-TBA162 spare |
| I/O Refresh | Free-Run refreshing |
| Bus / Coupler | NX bus powered, mounts on NX102 CPU or NX-ECC201 / ECC202 / ECC203 coupler |
| Dimensions / Weight | 12 (W) x 100 (H) x 71 (D) mm, 90 g max |
| Protection / Environment | IP20, 0 to +55 C operating, 10 to 95 percent RH |
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-SID800
Is the NX-SID800 a regular digital input?
No. The NX-SID800 is a Safety Input Unit certified SIL 3 (IEC 61508) and PLe Cat 4 (EN ISO 13849-1). It only mounts on the NX-series safety CPU or NX-ECC EtherCAT coupler.
How many safety inputs does the NX-SID800 have?
Eight PNP (sinking) safety inputs plus two sourcing test outputs for sensor-supply diagnostics. The 4-point sibling is the NX-SIH400.
Does the NX-SID800 work with non-Omron safety devices?
It works with any standard 24 VDC PNP safety device (e-stops, gate switches, light curtains, two-hand controls). Omron special safety input devices such as the D40A and D41D non-contact door switches are listed as 'cannot be connected' on the family spec page.
What is the replacement terminal block for the NX-SID800?
The NX-TBA162 screwless push-in connector with 16 wiring terminals (marked A and B). Spare coding pins are NX-AUX02 (10 x NX I/O units).
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