Description

ABB RC527 3BSE008154R1 Redundancy Coupler Module

Technical Specifications

• Product Model: RC527 3BSE008154R1
• Brand: ABB
• Warranty: One Year
• Input Voltage: 24 VDC rack backplane supply
• Operating Temperature: 0 °C ~ +60 °C
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Redundancy bumpless fail‑over <1 ms
• Protection Class: IP20 rack‑mount plug‑in module
• Accuracy Class: Hot‑standby redundancy‑synchronization grade
• Output Frequency: Not applicable
• Rated Current: 0.50 A @24 VDC consumption
• Function: Redundancy coupler module; implements hot‑standby synchronization between primary and standby controller pairs; executes bumpless automatic fail‑over upon master‑controller fault
• Communication: Dual redundancy‑link channels for controller state mirroring
• System Compatibility: ABB Advant Master / AC800M controller redundancy configurations
• Diagnostics: Redundancy‑link health LED indicators, fault‑status reporting to system alarm list
• Certifications: CE
• Humidity: 5‑95 % RH, non‑condensing
• Weight: 0.53 kg
• Dimensions: Standard Advant S100 I/O single‑slot module footprint
• 

Product Overview

RC527 (3BSE008154R1) is redundancy coupler module for ABB hot‑standby DCS‑controller configurations. It continuously mirrors real‑time database, logic‑state and process‑values between primary and standby controller hardware. Upon primary‑controller hardware failure, RC527 triggers millisecond‑level bumpless fail‑over to standby unit to maintain uninterrupted process‑control. Critical high‑availability spare‑module available as refurbished and new‑old‑stock units for petrochemical and power‑plant DCS‑cabinet maintenance.

Application Notes

‑ Deploy paired with matched primary‑standby controller hardware set. ‑ Follow ABB redundancy‑engineering manual for link‑cable wiring. ‑ ESD anti‑static handling mandatory during module swap. ‑ Typical deployment: refinery critical‑control‑loop DCS redundancy spare‑part stocking.