Description
General Information
表格
| Item | Specification |
|---|---|
| Part Number | 07BR61R1, Order‑Code: GJV3074376R1 |
| Manufacturer | ABB |
| Product Family | AC31 (Procontic) PLC System |
| Product Type | CS31 Fieldbus Repeater and Galvanic Isolator |
| Mounting | 35 mm DIN‑rail mounting |
| Auxiliary Supply | 24 VDC (12‑36 VDC) |
| Status Indicators | LED for Power, Bus Activity, Fault |
| Lifecycle | End‑of‑Life, original production discontinued; only surplus / used maintenance spares |
| Warranty | 12‑month warranty for genuine surplus stock |
| BOM Full Name | 07BR61R1 (GJV3074376R1), CS31 Bus Repeater‑Isolator for ABB AC31 Procontic System |
| BOM Short Name | 07BR61R1‑GJV3074376R1, AC31 CS31 Fieldbus Repeater Module |
Electrical & Interface Specifications
- Bus Interfaces: Two independent CS31 (differential RS‑485) ports with galvanic isolation between bus segments
- Protocol: Proprietary ABB CS31 fieldbus for AC31 distributed I/O network
- Functions: Signal regeneration, bus distance extension, ground‑loop isolation, network segmentation
- Isolation Voltage: 1500 V between Port A and Port B bus segments
- Power Consumption: Approx. 2 W
- No local I/O channels, no user logic processing. Pure bus signal conditioning hardware, cannot work standalone.
Environmental Specifications
表格
| Item | Value |
|---|---|
| Operating Temperature | ‑10 °C ~ +55 °C |
| Storage Temperature | ‑40 °C ~ +85 °C |
| Relative Humidity | 5‑95 % RH, non‑condensing |
| Compliance | CE, IEC 61010‑1, IEC 61000 EMC standards |
| Enclosure Rating | IP20 |
| Dimensions (W×H×D) | 22.5 mm × 75 mm × 105 mm |
| Weight | 0.22 kg |
Main Functions
- Regenerates CS31 bus signals to extend maximum cable length for AC31 distributed I/O networks.
- Provides galvanic isolation between two CS31 bus segments to eliminate ground‑potential difference and suppress ground‑loop interference.
- Performs network segmentation; limits fault propagation so failure on one bus segment will not crash the whole CS31 network.
- Front‑panel LEDs allow quick on‑site diagnosis for power status, bus traffic and communication faults.
- End‑of‑life spare component for legacy AC31 plant automation retrofits and maintenance.
Typical Applications
- CS31 distributed I/O networks of ABB AC31 (Procontic) PLC, widely used in water treatment, factory automation and building control projects.
- Spare‑part replacement for sites with long wiring distance, multi‑ground points and heavy field electromagnetic interference.
Related Spare‑Part Reference
表格
| Part‑No | Description | Remark |
|---|---|---|
| 07BR61R1 GJV3074376R1 | CS31 Bus Repeater‑Isolator | For AC31 CS31 fieldbus, obsolete |
| 07KTxx series | AC31 CPU and I/O modules | AC31 controller family |
Important Notes
- Designed exclusively for proprietary ABB CS31 bus. Not compatible with generic RS‑485 / Modbus RTU networks.
- Requires external stabilized 24 VDC auxiliary power; the module does not draw power from CS31 bus.
- Do not reverse‑wire CS31 bus terminals. Follow official AC31 installation specification for cable shielding and earthing, otherwise bus failures may occur.
- For indoor cabinet DIN‑rail installation only; not suitable for direct outdoor deployment.
- Specify full part number 07BR61R1 GJV3074376R1 for spare‑part procurement.
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