Product Core Brief
- Model: IOR810
- Order Code: P-HB-IOR-80010000
- Brand: ABB
- Series: Symphony Plus / Symphony Harmony
- Core Function: S800 I/O gateway module that connects Symphony Plus SD/HR series controllers to S800 I/O via the HN800 network.
- Product Type: S800 I/O Gateway Module
- Key Specs: HN800 network interface | S800 ModuleBus fiber-optic interface | supports SOE data acquisition | up to 7 S800 cluster modems
- Condition: New Original / New Surplus (depending on stock)
Key Technical Specifications
- Manufacturer: ABB
- Part Number: (P-HB-IOR-80010000)
- Product Type: S800 I/O Gateway Module for HN800
- System Compatibility: ABB Symphony Plus, Symphony Harmony DCS
- Controller Compatibility: Symphony Plus SD series and HR series controllers
- Upstream Network: HN800 (Harmony Network 800) — electrical or fiber-optic
- Downstream Interface: S800 ModuleBus (fiber-optic only)
- Supported I/O Types: Basic AI/AO, basic DI (contact input), SOE DI, basic DO, pulse input, temperature inputs (RTD/thermocouple), intrinsically safe I/O, and redundant I/O
- SOE Support: Yes — SOE timestamp accuracy depends on the specific S800 SOE DI module used
- Maximum Topology: Up to 7 S800 cluster modems; each cluster modem supports up to 12 S800 I/O modules
- HN800 Distance: Up to 30 m via electrical HN800; up to 3,000 m via fiber-optic HN800 with RFO810 repeater
- ModuleBus Fiber Distance: Up to 15 m with plastic fiber; 200 m with HCS fiber; up to 1,000 m with TB825 optical media converter and glass fiber
- Redundancy: Supports redundant or non-redundant configuration
- Power Supply: 24 V DC (19.2–30 V DC)
- Dimensions: Approx. 45 × 119 × 58 mm (typical S800 module form factor)
- Operating Temperature: 0 to +55 °C (cabinet-mounted)
- Mounting Style: 35 mm DIN-rail installation on S800 terminal base (TB/TU)
- Certifications: CE, cULus, RoHS
- HS Code: 853710 (electrical control panels / assemblies)
Product Introduction (No Fluff)
The ABB IOR810 is an S800 I/O gateway module used in Symphony Plus and Symphony Harmony DCS systems. It serves as the interface between the HN800 I/O bus and the S800 I/O ModuleBus, allowing Symphony Plus SD/HR series controllers to scan and exchange data with S800 I/O modules.
The IOR810 does not connect directly to field signals. Instead, it scans S800 I/O modules — including analog, digital, SOE, pulse, temperature, and HART-capable modules — through the fiber-optic S800 ModuleBus and forwards the data to the controller over HN800. This makes it a practical option for expanding I/O capacity, integrating S800 I/O islands, or modernizing existing Harmony systems without replacing the controller layer.
Because the IOR810 operates at the boundary between HN800 and S800 ModuleBus, correct topology planning — especially fiber type, cluster modem count, and redundancy configuration — is critical during installation.
QA & Testing SOP (Dynamic & Transparent)
This is an I/O gateway module, so testing focuses on HN800 registration, ModuleBus communication, and I/O data integrity.
- Incoming visual inspection: Check the module housing, fiber-optic ports, DIN-rail mounting clips, status LEDs, and PCB for physical damage, corrosion, or prior repair marks.
- Power-up test: Apply 24 V DC and verify the module powers up without fault indicators.
- HN800 registration test: Verify the module registers on the HN800 network and is recognized by the Symphony Plus controller.
- ModuleBus scan test: Confirm the IOR810 detects connected S800 cluster modems and scans the expected S800 I/O modules.
- I/O data validation: Verify that analog, digital, and SOE data from S800 modules are correctly mapped and readable by the controller.
- Redundancy test (if applicable): In redundant configurations, verify failover behavior between primary and standby gateways.
- ESD-safe handling and packing: Store and ship in anti-static packaging; handle by the module frame and protect fiber-optic connectors.
Installation Pitfalls & Guide (Engineer to Engineer)
❗ IOR810 is not a direct field I/O module. It does not accept field wiring. It must be connected to S800 I/O modules through the S800 ModuleBus via cluster modems.
❗ Verify fiber type and distance limits. Plastic fiber is limited to 15 m between cluster modems; HCS fiber extends to 200 m; glass fiber with TB825 can reach 1,000 m. Exceeding these limits can cause intermittent communication faults.
❗ Confirm HN800 connection method. Electrical HN800 is limited to 30 m. For longer runs, fiber-optic HN800 with an RFO810 repeater is required.
❗ Check cluster modem count. The IOR810 supports up to 7 S800 cluster modems, each supporting up to 12 S800 I/O modules. Exceeding this topology will prevent proper scanning.
❗ SOE accuracy depends on the S800 DI module. The IOR810 supports SOE data acquisition, but timestamp resolution is determined by the specific S800 SOE DI module, not the gateway alone.
Replacement steps:
- Pre-install: Document HN800 node address, S800 topology, fiber types, and active alarms.
- Removal: If redundant, confirm the standby gateway is active before removing the failed module.
- Install: Mount the new IOR810 on the S800 terminal base, reconnect HN800 and fiber-optic ModuleBus, and verify retention.
- Power-on test: Apply 24 V DC, verify LED status, confirm HN800 registration, and validate S800 I/O scanning.
Technical FAQ
1. Is the IOR810 still available? Yes, availability depends on inventory condition. We carry new original and new surplus stock.
2. Can IOR810 connect directly to field instruments? No. The IOR810 is a gateway module. It communicates with S800 I/O modules through the S800 ModuleBus; field signals must be wired to the appropriate S800 I/O modules.
3. What controllers is it compatible with? It is designed for Symphony Plus SD series and HR series controllers in Symphony Plus / Symphony Harmony systems.
4. Does it support SOE? Yes. The IOR810 supports SOE data acquisition, but SOE timestamp accuracy depends on the connected S800 SOE DI module.
5. Can it be configured redundantly? Yes. The IOR810 supports both redundant and non-redundant configurations.
6. What warranty do you offer? Standard warranty is 12 months unless otherwise stated. For surplus stock, warranty terms are confirmed at quotation.









