The Siemens 6ES7157-0AC84-0XA0 SIMATIC FF Link FDC 157 is a Field Device Coupler for Foundation Fieldbus H1 networks. It supplies the H1 segment with up to 1000 mA and supports redundancy for high-availability installations. Integrated diagnostics and IP20 protection are standard, and the unit is rated for extended temperature ranges. A critical integration note: this coupler operates only when connected to the FF Link (IM 153-2 FF) — it is not a standalone bus device.
Siemens 6ES7157-0AC84-0XA0 FF Link FDC 157, 1000 mA
MPN6ES7157-0AC84-0XA0
Siemens SIMATIC FF Link FDC 157 Field Device Coupler, 6ES7157-0AC84-0XA0, Foundation Fieldbus H1, bus supply up to 1000 mA, IP20, extended temperature range.
$759.46Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
What are the key ratings and constraints of this Field Device Coupler?
It supplies up to 1000 mA on the Foundation Fieldbus H1 segment, includes redundancy capability and integrated diagnostics, carries an IP20 rating, and is designed for extended temperature ranges. It requires connection to the FF Link IM 153-2 FF — it is not a stand-alone device.
MPN
6ES7157-0AC84-0XA0