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Phone: +86 16626708626Description
Key Technical Specifications
- Part Number: 758-873/000-000/000-001
- Product Family: WAGO-I/O-IPC, part of the WAGO-I/O-SYSTEM 750 series
- Memory: 32 MB onboard
- Operating System: Not preinstalled — unit ships without a factory-loaded OS image (“NO OS” per distributor spec)
- Network Interfaces: Two Ethernet MAC addresses observed on the nameplate (designated X9 and XB), indicating dual network ports
- Country of Origin: Made in Germany
- Weight: 2.00 lbs
- Manufacturer Status: Discontinued by manufacturer
- Documentation Status: No public WAGO datasheet located under this exact catalog number — verify firmware/image requirements and I/O bus compatibility against your existing 750 series station documentation before ordering
Product Introduction
The WAGO 758-873 is an industrial PC-based controller from the WAGO-I/O-IPC family, built to head a WAGO-I/O-SYSTEM 750 modular I/O station. Unlike WAGO’s fieldbus coupler heads, this unit runs as a full IPC, with 32 MB of onboard memory and dual Ethernet network interfaces, shipping without a preloaded operating system.
Plants running legacy 750 series I/O stations with this IPC head source it because WAGO has discontinued the model, and a PC-based controller head isn’t interchangeable with a standard fieldbus coupler — the software image and station configuration are tied to this specific hardware class.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No boot, no network activity at all | Power fault or failed IPC hardware | ✅ High | Measure supply voltage at the terminal block with a multimeter | Confirm power before assuming IPC failure |
| Unit powers up but never reaches a usable network state | Missing or corrupted OS image (unit ships with no preinstalled OS) | ✅ High | Check whether a boot image was ever loaded onto this specific unit | Load/reload the appropriate OS image before assuming hardware fault |
| One Ethernet port responds, the other doesn’t | Single-port hardware fault, or the second port intentionally unconfigured | ❌ Moderate | Test each MAC-addressed port independently on a known-good switch port | Isolate to the specific port before condemning the whole unit |
| I/O station reports bus communication errors downstream of this head | Backplane connection fault between the IPC and the I/O modules | ✅ Moderate | Reseat the IPC head on the backplane, inspect the bus connector | Reseat first; replace only if the fault follows the IPC head |
| Intermittent faults that clear on power cycle | Memory or firmware instability on an aging unit | ❌ Low | Log uptime between faults, check for a pattern tied to thermal load | Consider replacement if faults recur without a clear external cause |
If the fault persists, contact technical support with the exact OS image/firmware version you’re loading, both MAC addresses from the nameplate, and a description of where in the boot/network sequence the failure occurs.
758-873
758-873
Frequently Asked Questions (FAQ)
Does this come preloaded with an operating system?
No — per the distributor spec, this unit ships without a preinstalled OS. You’ll need to load the appropriate image for your application before it’s functional. Confirm with WAGO documentation or your integrator which OS/image this specific IPC model requires.
Can I use a standard 750 series fieldbus coupler instead of this IPC head?
No, not as a direct substitute. This is a PC-based controller, not a simple fieldbus coupler — the two run fundamentally different software architectures. If your station was built around this IPC’s programming environment, a standard coupler won’t replicate that functionality.
Will my existing I/O modules work with a replacement 758-873 unit?
Physically, WAGO-I/O-SYSTEM 750 modules are backplane-compatible across coupler/controller types, but confirm your specific I/O module mix is supported by this IPC’s firmware version before assuming a clean swap.
Is this new or refurbished, and does that affect the software image?
Condition (New Surplus, Refurbished, Tested Used) affects the hardware grade, not necessarily what’s loaded on it — assume you’ll need to load or verify your own OS image and station configuration regardless of the physical condition tag.
Can I hot-swap this IPC head while the station is running?
No. Power down the I/O station before removing or installing this controller head. Live removal risks corrupting the memory state and can damage the backplane connector.
Why is there a listing calling this an EATON part?
That listing appears to be generated boilerplate not specific to this part number — two independent, detail-rich distributor sources confirm this is a WAGO part. Don’t rely on a single generic-sounding listing when sourcing a part like this; cross-check against a distributor that shows actual nameplate or spec detail.
What’s the biggest risk buying this used?
Assuming the unit’s stored configuration or OS image matches your needs. Plan on reloading the application and verifying I/O module compatibility regardless of what condition grade you buy — the physical hardware being sound doesn’t guarantee the software state is ready for your station.
