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Help CenterABB 07KR51 (1SBP260011R1001) – Communication Interface Module for 07KR/AC31/Advant Systems
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The ABB 07KR51, part number 1SBP260011R1001, is a compact communication module used to extend serial and fieldbus connectivity in legacy ABB 07KR/AC31/Advant installations. It’s typically selected when you need reliable links between controllers and third‑party devices like HMIs, drives, data loggers, or SCADA gateways—without reworking a running cabinet.
From my experience, the 07KR51 slots in as a straightforward way to add serial communications and a controller-side fieldbus interface in brownfield projects. It appears to be favored in plant upgrades where downtime is tight and backward compatibility matters.
Key FeaturesSerial communications (typical RS‑232/RS‑485) – Commonly used for integrating HMIs, variable speed drives, printers, or data recorders.
Controller/fieldbus bridge for 07KR/AC31/Advant – Adds a clean path between legacy controllers and peripheral devices in many cases.
Diagnostic indicators – Front LEDs typically provide link, activity, and fault cues to speed up troubleshooting.
Industrial temperature range – Designed for control cabinets with typical 0…55°C operation.
DIN‑rail system mounting – Fits standard automation panels; wiring is simple and usually doesn’t require cabinet redesign.
Firmware‑dependent protocol options – Projects often use ASCII or Modbus‑style serial exchanges; exact options vary by revision.
| Brand / Model | ABB 07KR51 (1SBP260011R1001), 07KR series communication module |
| Power Requirements | 24 VDC nominal (typically via system/backplane supply) |
| Dimensions & Weight | Compact DIN‑rail form factor; approximate low‑profile module (typical ~25 mm width) |
| Operating Temperature | 0 to +55 °C (typical for cabinet‑mounted modules) |
| Signal I/O Types | Serial ports (commonly RS‑232/RS‑485); exact port count/connector style depends on revision |
| Communication Interfaces | Controller link for 07KR/AC31/Advant; serial protocols vary by firmware and configuration |
| Installation Method | DIN‑rail mounting in an enclosed control cabinet; wiring to controller/system rail |
| Part Number Alias | 07KR51, 1SBP260011R1001 (same module designation) |
Application FieldsYou might notice that the 07KR51 shows up wherever a plant needs to keep proven ABB controllers talking to new or third‑party devices. Typical use cases include:
Water & wastewater facilities tying legacy controllers to SCADA via serial gateways
Metals, pulp & paper, and chemicals plants integrating drives and operator panels
Material handling systems exchanging setpoints and status with barcode/label printers
Power and utility sites bridging DCS subsystems with data loggers or RTUs
“Swapping in a 07KR51 helped us keep an older AC31 line alive while adding a new HMI over RS‑485. Commissioning was short, and we didn’t touch the cabinet layout.” — Maintenance Supervisor, discrete manufacturing
Retrofit‑friendly – Works within existing ABB 07KR/AC31/Advant architectures, typically with no panel redesign.
Compatibility – Often supports the serial protocols and wiring practices already present on site.
Risk and cost control – Extends system life so you can phase upgrades, rather than forcing a full platform migration.
Serviceability – LEDs and familiar pinouts keep fault finding quick for maintenance teams.
Cabinet and mounting – Install on DIN‑rail inside a ventilated cabinet. Keep clearance for cable bend radius and LED visibility.
Power & grounding – Use a clean 24 VDC supply; bond shields at a single point to reduce noise on RS‑485 lines.
Wiring – For RS‑485, use twisted‑pair shielded cable, correct polarity, and add termination/biassing as required by the segment length.
Safety – De‑energize before wiring; follow ESD precautions when handling modules.
Commissioning – Verify baud rate, parity, and node addressing. Document firmware and parameter sets for future replacements.
Routine care – Periodically check connectors, clean dust filters, and review diagnostic LEDs. Firmware updates may be applicable depending on revision.
Certifications – CE marked; UL/cUL recognition is common on many revisions. Manufactured under ISO 9001 quality systems.
Compliance note – RoHS status may depend on build year; we can verify against your site requirements.
Warranty – Typically supplied with a limited 12‑month warranty; extended coverage can be discussed for critical spares.
If you’re matching an existing installation, sharing a photo of the front label and any firmware stickers helps confirm port types and protocol options for your exact 07KR51 (1SBP260011R1001) revision.
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