AF 100 Interface for Bus | TC625 3BSE002224R1 | ABB

Technical Specifications

The TC625 3BSE002224R1 is a bus cable component from ABB's Advant Master product line. It is designed for use in AF100 fieldbus communication systems, specifically as part of the CI522AK12 AF100 Interface Kit for bus cable redundancy configurations. The cable connects CI522A communication interfaces to the AF100 fieldbus network, enabling data exchange between Advant Master controllers and distributed I/O stations. In a typical redundancy setup, two TC625 cables are used per kit alongside one CI522A module and two TK803V036 cables. 

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Troubleshooting & Comissioning Checklist

Impedance Check: Ensure the coaxial bus is terminated at both physical ends with 75-Ohm BNC terminators to prevent signal reflection.
Power Supply: Verify the module's 24 VDC system power is stable and fed reliably via the subrack's voltage regulator.
Earthing: Ensure the control cabinet and the modem unit share a common, clean grounding point to minimize electromagnetic interference (EMI).

Field Engineering Considerations

EMI Resilience: The module features a robust metal housing. However, field engineers must maintain standard physical separation between the coaxial signal cables and high-voltage power paths.
Grounding & Shielding: Ensure that the coaxial shield is properly grounded at specified points to prevent ground loops, which degrade the AF100 bus communication packets.
Connectors: Use original, industrial-grade coaxial termination kits. Improperly crimped connectors are the leading cause of signal attenuation and intermittent dropouts on an active AF100 network.

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Technical FAQ

Q: What is the primary function of the ABB TC625?
A: The TC625 acts as a hardware bridge between a controller’s fieldbus communication interface (like the CI522A or CI631) and the Advant Fieldbus 100 (AF100) network. It handles signal modulation and demodulation to transmit data reliably over industrial coaxial cables.

A: The module connects directly to the AF100 network drop using a standard BNC T-adapter. If physical network redundancy is configured, a second TC625 modem is mounted side-by-side to connect to the secondary coaxial line.

A: No, it is officially exempted from the scope of the 2011/65/EU (RoHS) directive. This exemption is specified under Article 2(4) exceptions for large-scale fixed industrial tools and control apparatuses.

Q: Do you supply brand-new, original parts or second-hand refurbished items?

A: Our stock consists of Original New items; all products undergo quality inspection to ensure they are fully functional.

Q: What guarantees are included with the shipment?
A: All items in stock are tested by engineers, packed in professional ESD packaging, and shipped via express logistics with a global delivery time of 24–48 hours.

Q: How long does global shipping take?
A: Stock items are typically dispatched within 24 hours. Shipments are sent via DHL or FedEx Express, taking approximately 3–5 days to reach Asia, 4–6 days to Europe and the Middle East, and usually arriving within a week in major industrial regions worldwide.

Q: If the model I need is not listed on the website, can I request a quote?
A: Yes. We hold over 200,000 SKUs of industrial spare parts in stock, and many long-tail models are not listed in full. You can send us an RFQ (Request for Quote) directly, and we will provide wholesale pricing promptly.

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