Application Scenarios
A regional water treatment utility was struggling with frequent false trips and contact welding on panel-mounted general-purpose relays used to control chemical dosing pump starters and motorized valves. The relays sat in a hot, humid motor-control-center lineup, switching 220 VAC contactor coils dozens of times an hour. After migrating their legacy control system to an ABB AC 800M DCS, the engineering team standardized on the 83SR04E-E module inserted into an S800 I/O rack with a CI854 communication interface. The 83SR04E-E replaced twelve discrete DIN-rail relays across two MCC panels, consolidating wiring and adding per-channel diagnostics visible from the operator workstation. Its built-in MOV surge suppressors absorbed inductive kickback from the contactor coils, virtually eliminating contact pitting.
Within six months, unplanned relay-related downtime dropped to zero, and the maintenance team could remotely verify output status without opening the cabinets — a measurable gain in operational visibility and asset availability. The plant also valued the hot-swap capability: when one channel eventually wore out after years of service, technicians replaced the module during a normal shift with no interruption to the continuous treatment process.
Parameter
| Main Parameters | Value / Description |
|---|---|
| Product Model | 83SR04E-E |
| Ordering Code | GJR2390200R1211 (related variants: GJR2390200R1210, GJR2390200R1010, GJR2390200R1310) |
| Manufacturer | ABB (Sweden / Switzerland) |
| Product Category | 4-Channel Relay Output Module (Digital Output, DO) |
| Series / Platform | S800 I/O; also used in Procontrol P13 / P14 and legacy Advant OCS / Symphony racks |
| Controller Compatibility | AC 800M, System 800xA, AC 500, Advant OCS, Procontrol P13/P14 |
| Lifecycle Status | Discontinued (End-of-Life) — legacy spare; new designs should use current S800 I/O equivalents |
| Output Channels | 4 independent relay channels |
| Relay Type | SPDT (Form C) — each with NO, NC, and COM terminals |
| Coil / Logic Voltage | 24 VDC (±20%), supplied via module base / backplane |
| Contact Rating (Resistive) | 5 A @ 250 VAC / 30 VDC |
| Contact Rating (Inductive) | 3 A @ 250 VAC (recommended derating) |
| Minimum Switching Load | Approx. 10 mA / 5 VDC |
| Response Time | ≤ 6 ms operate (pick-up) / ≤ 4 ms release (including contact bounce) |
| Isolation Voltage | ≥ 2 kV AC coil-to-contact; channel-to-channel and channel-to-system galvanic isolation |
| Built-in Protection | MOV (Metal Oxide Varistor) surge suppression per channel across relay coil/contacts |
| Status Indication | Per-channel green LED (coil energized); module health reported via system bus |
| Mechanical Life | ≥ 10⁷ operations (no-load) |
| Electrical Life | ≥ 10⁵ operations at rated resistive load |
| Hot-Swap Support | Yes — RIUP (Removal and Insertion Under Power) in compatible S800 I/O racks with redundant power |
| Mounting | Plug-in S800 I/O rack (CI800 / CI801 backplane), 1 slot; also DIN-rail mountable |
| Operating Temperature | -40°C to +70°C — industrial wide-temperature design |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95% RH, non-condensing |
| Dimensions (H×W×D) | Approx. 198 × 20 × 261 mm (approx. 7.8 × 0.79 × 10.3 in) |
| Weight | Approx. 0.55 kg (1.2 lbs) |
| Power Consumption | ≤ 2 W typical (≤ 7 W max per some variant data) |
| Safety & EMC Certifications | SIL 2 (IEC 61508), CE, cULus (UL 508), ATEX Zone 2, IECEx; complies with IEC 61131-2 / IEC 61810 |
| Country of Origin | Sweden |
