Product Core Brief
- Model: SPIET800
- Brand: ABB
- Series: Symphony Plus / INFI 90 Ethernet CIU family
- Core Function: Bridges INFI-NET control networks with industrial Ethernet for HMI, engineering station, and SCADA connectivity.
- Product Type: Ethernet communication interface module (CIU)
- Key Specs: 2× 10/100Base-TX RJ45 | 24 VDC power | DIN-rail or panel mount
- Condition: New Original (New Surplus) / Factory Sealed
Product Introduction (Rotation Engine)
When an INFI-NET or Symphony Plus system loses its Ethernet gateway, operators lose visibility long before the process actually trips. The restores that missing link between the control network and upper-level systems. It is commonly used in ABB INFI 90, Symphony, and Symphony Plus architectures to connect controllers, HMIs, engineering tools, and third-party applications over standard TCP/IP Ethernet.
For plants running legacy DCS hardware, this module helps avoid a full communication-layer rebuild. Replacing a failed gateway with a verified unit can restore HMI tag refresh, alarm reporting, and engineering station access far faster than redesigning the network. In many cases, that means hours instead of weeks of downtime exposure.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Ethernet communication interface (CIU) |
| Manufacturer | ABB |
| Model | |
| Typical Systems | INFI 90, Symphony, Symphony Plus, System 800xA |
| Ethernet Ports | 2× 10/100Base-TX RJ45 |
| Protocol Support | TCP/IP; INFI-NET to Ethernet bridging |
| Power Supply | 24 VDC nominal (typically 18–32 VDC) |
| Mounting | DIN-rail or panel mount |
| Diagnostics | Power, link, and activity LEDs |
| Operating Temperature | 0 to +55 °C (typical) |
| Dimensions | Approx. 130 × 100 × 45 mm |
| Supply Status | Legacy / obsolete, spare only |
Note: Specifications reflect typical configurations for ABB Ethernet CIU units used in Symphony Plus / INFI 90 environments. Exact firmware, licensing, and revision details should be confirmed against the installed unit before replacement.
Key Selling Points & Differentiators
- Verified ABB legacy communication module for INFI-NET to Ethernet bridging.
- Dual 10/100Base-TX ports support common star or ring Ethernet topologies.
- Restores HMI, engineering station, and SCADA connectivity without full network redesign.
- Low 24 VDC power draw; compact DIN-rail footprint fits existing cabinets.
- Each unit undergoes visual QA, nameplate verification, and connector inspection.
- Not recommended for direct plug-and-play replacement without confirming IP address, firmware revision, and INFI-NET node mapping.
Quality Transparency SOP (DYNAMIC GENERATION)
- Incoming visual inspection for housing damage, burned components, and corrosion.
- Nameplate and revision verification to confirm the correct CIU variant.
- Connector and RJ45 port inspection for bent pins, oxidation, or loose contacts.
- Power-up test at 24 VDC to verify LED status and basic module initialization.
- Anti-static sealing with tamper-evident packaging before dispatch.
Full INFI-NET integration testing, HMI tag validation, and license verification are not included unless specifically requested. This is a surplus/legacy component, not a factory-commissioned node.
Technical Risk Avoidance (DYNAMIC GENERATION)
❗ Do not swap without recording network settings. The IP address, subnet mask, gateway, and INFI-NET node mapping must match the existing configuration. A mismatched address can block HMI communication even if the module powers up normally.
❗ Confirm firmware and license compatibility. Some Ethernet CIU configurations in Symphony Plus / INFI 90 systems depend on specific firmware revisions or module keys. A physically identical unit may still fail to communicate if the software profile does not match.
❗ Verify Ethernet topology before energizing. Check whether the module connects to a managed switch, redundant ring, or standalone HMI port. Incorrect VLANs, duplex settings, or switch port configurations can look like hardware failure.
❗ Inspect 24 VDC supply stability. This module typically operates on 18–32 VDC. Undervoltage or noisy power can cause intermittent link drops that are easily misdiagnosed as network faults.
Buyer’s FAQ
Is the ABB SPIET800 still produced as new by ABB?
This module is considered legacy/obsolete. Units are typically supplied as new surplus, factory-sealed stock, or refurbished inventory depending on availability.
Can I replace it without reconfiguring the DCS?
Not always. If the replacement has the same firmware and revision, it may work with existing settings. But IP address, node mapping, and license status should be verified first.
What is the difference between SPIET800 and INIET800?
Both serve as Ethernet communication interfaces in ABB INFI 90 / Symphony Plus systems, but hardware revisions, firmware, and licensing can differ. They are not automatically interchangeable.
Do you provide full DCS commissioning?
No. We supply and verify the hardware. Full network commissioning, logic validation, and HMI testing should be performed by your DCS engineer.
What warranty do you offer?
A standard 12-month functional warranty applies unless otherwise stated. This covers hardware defects, not configuration errors or system integration issues.









