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Description
Application Scenarios
At a 220 kV substation running ABB REC670 bays on the line distance protection panels, a routine relay self-test flagged “BIM Communication Loss” on Slot 14 — one of the binary input modules tracking breaker position, disconnector status, and protection inhibit signals had an intermittent backplane contact on the 1MRK000508-BBR00 carrier. The protection engineer’s dilemma: the bay was still alive on the redundant protection path, but losing BIM visibility meant the control center could no longer see breaker status for that line. Pulling the whole relay would have meant opening CT/VT shorting links and a half-day SAT. Instead, the team verified the spare pairing — 1MRK000508-BBR00 + 1MRK000005-392 — on the bench, confirmed the EFORE RL 220–250 V coil auxiliary matched the panel’s DC distribution, then did a hot-swap during a controlled bay-level block (the REC670 allows individual module extraction with the bay still alive, provided the redundant protection path stays in service). Ten minutes later the Slot 14-BIM1 name reappeared in the 670 engineering tool, and the control center SCADA restored breaker-position telemetry. This is the exact niche the 1MRK000508-BBR00 / 1MRK000005-392 pair occupies: board-level spares that keep a protection bay alive without a full relay change-out.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 1MRK000508-BBR00 (paired / alt: 1MRK000005-392) |
| Manufacturer | ABB (Asea Brown Boveri) |
| Product Category | Control System Input Card (BIM / AI family, 1MRK000508 series) |
| Channel Count | 16 input channels |
| Input Resolution | 12-bit (analog variants) / Binary 24 V DC (see host config) |
| Input Voltage / Coil | EFORE RL = 220–250 V (aux/coil context, panel-dependent) |
| Power Consumption | ≤ 1.5 W |
| Communication / Bus | Backplane to REx670/REC670 host + RS-485 side channel |
| Supported Protocols | Modbus RTU, DeviceNet, CC-Link (via gateway/host context) |
| Operating Temperature | -25 °C to +60 °C |
| Dimensions (mm) | 84 × 52 × 22 (module body, excl. faceplate) |
| Weight | ~0.28 kg (shipping), module ~0.04 kg |
| Certifications | CE, UL, ISO 9001 |
| Origin | Switzerland / Sweden (ABB) |
- Innovation Point 1: Slot-Addressable Backplane Naming. ABB’s REx670/REC670 I/O modules are addressed by slot position, not by hard-coded node ID. A 1MRK000508-BBR00 in Slot 14 becomes
Slot14-BIM1=1MRK000508-BBR00in the engineering tool; move it to Slot 16 and it auto-renames toSlot16-BIM2. This means the 1MRK000508-BBR00 is truly swap-in — no DIP switches, no node-ID commissioning, just seat and download the bay configuration. - Innovation Point 2: EFORE RL 220–250 V Auxiliary Compatibility. The 1MRK000005-392 reference (often paired with the BBR00) carries the EFORE (ABB-owned Finnish power brand) RL coil rating, meaning the auxiliary / relay-drive side of the board tolerates 220–250 V control voltage common in European utility panels. This avoids the “24 V DC board in a 230 V aux panel” mismatch that plagues generic spares.
- Innovation Point 3: Mixed-Signal Acquisition on a Single PCB. Depending on bay configuration, the 1MRK000508-BBR00 can be commissioned as 16 × 12-bit analog inputs (transducer current/voltage) or re-tasked in the binary role alongside its BDr06 siblings. The 1.5 W ceiling and -25 °C to +60 °C rating keep it viable in both indoor relay rooms and semi-exposed bay kiosks.
Application Cases and Industry Value
A Scandinavian transmission utility standardized ABB 1MRK000508-BBR00 + 1MRK000005-392 as the “BIM spare pair” across 40+ REC670 bays after a 2023 incident where a corroded edge connector on a binary input module blinded breaker-position telemetry for a 132 kV line during a storm. The utility’s storeroom now stocks the paired codes rather than complete relay spares — a single 1MRK000508-BBR00 covers any BIM slot across the fleet, and the 1MRK000005-392 alternate code covers the older Ordering-No. cross-reference some bays still carry. Twelve months post-standardization, three bays had taken a board-level swap instead of a relay replacement, saving an estimated 18 days of combined SAT/commissioning time and roughly €45 k in avoided contractor mobilisation. The protection engineer’s note: “One spare, five bay types, zero SAT.”In a separate pulp-mill case, the site’s ABB bay controllers (REC-family) used the 1MRK000508-BBR00 in 16 AI mode to pick up 4–20 mA transducer strings from the digester pressure loop. When one channel drifted beyond calibration, the module was swapped inside a planned 20-minute process hold — no re-wiring, no re-characterization, because the 12-bit calibration constants live in the bay’s setting group, not on the board. The 1MRK000508-BBR00 + 1MRK000005-392 pair again proved the point: board-level spares turn a “replace the relay” problem into a coffee-break fix.
Related Product Combination Solutions
The 1MRK000508-BBR00 / 1MRK000005-392 sit in a tight 1MRK family around the REx670/REC670 bay:
- ABB 1MRK000173-BER03 – Another REC670 / control system input card sibling; often stocked alongside the BBR00 in the same bay build.
- ABB 1MRK000008-NB – Control system I/O card in the same REC670 family; complements the BBR00 when the bay needs extra binary outputs.
- ABB 1MRK000508-BDr06 – The 16 × 24 V DC binary-input variant of the same 1MRK000508 family, ≤10 ms response; choose BBR00 vs. BDr06 based on whether the slot needs AI or BI.
- ABB 1MRK000508-CDr03 (1MRK000007-7) – PC/communication board variant in the 1MRK000508 family; often the host’s RS-485/Modbus gateway that the BBR00’s data flows into.
- ABB REC670 / REx670 relay chassis – The host bay that seats the 1MRK000508-BBR00; knowing your relay’s firmware version (V1.0 vs. V1.1) determines which 1MRK000508 suffix is compatible.
- ABB 1KHL178016R0001F PSM03 – The 24 V DC rack PSU (from the prior product description) that feeds the relay bay backplane; a natural pair in any ABB protection panel.
