Product Description
ABB RF620 (Part No. 3BHT100011R1) is a 10-slot extension backplane for Advant OCS system, designed for AC110 and AC160 controllers. It works as an I/O subrack base to expand the I/O capacity of the main station. It accommodates different I/O modules and connects to the main backplane via RC610 interface module and TK612 extension cable for power, signal and internal bus transmission. It is a key subrack component for capacity expansion of classic ABB Advant DCS.
Technical Parameters
- Model: RF620, PN: 3BHT100011R1
- Brand: ABB
- Type: 10-slot Extension Backplane
- Compatible System: Advant OCS, AC110 / AC160 I/O extension unit
- Slots: 10 module slots
- Matching Accessories: RC610, TK612 extension cable
- Dimensions: 472.5 mm × 252 mm × 85.5 mm
- Net Weight: 2.975 kg
- Mounting: Cabinet rack mounting
- Bus: Advant internal parallel bus
- Power Supply: Powered by main rack
- Construction: Metal frame + PCB backplane
- Origin: Sweden
Application
Applied in ABB Advant DCS for power, chemical, paper, metallurgy industries. When the I/O points of AC110 / AC160 main rack are insufficient, RF620 is added to provide extra slots for DI/DO/AI/AO modules. It realizes acquisition and output of analog and digital field signals to meet I/O expansion requirements for large process plants.
Series Models
- RF620 3BHT100011R1 (10-slot extension backplane)
- RF615 3BHT100010R1 (10-slot base backplane)
- RC610 3BHT100018R1 (extension interface module)
- TK612 3BHT200010R1 (extension cable)
- TK615 3BHT300029R1 (signal cable)







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