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Siemens 6ES7194-3AA00-0AA0 — PLC Communication Modules

Siemens 6ES7194-3AA00-0AA0 SIMATIC DP ECOFAST Block, 2x RS48

MPN6ES7194-3AA00-0AA0

Siemens, SIMATIC DP, ECOFAST connection block for ET 200ECO, 2x RS485 PROFIBUS DP, address setting, Depth 30 mm, Width 79 mm, Height 60 mm, Power loss typ. 2 W.

$68.01 – $154.00Ref. price · indicative, final on quote
Siemens 6ES7194-3AA00-0AA0 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6ES7194-3AA00-0AA0 — Electrical
ParameterValue
Power loss (typ.)2 W; The power loss depends on the current that you loop through via the connection block.
6ES7194-3AA00-0AA0 — Mechanical
ParameterValue
Width79 mm
Height60 mm
Depth30 mm
6ES7194-3AA00-0AA0 — Other specifications
ParameterValue
Weight, approx.313 g

Product details

The 6ES7194-3AA00-0AA0: This is the ECOFAST connection block for the Siemens SIMATIC DP ET 200ECO remote I/O system – the piece that feeds PROFIBUS DP to the distributed node. Two ECOFAST RS485 connections bring the bus in and out, and the ID connector lets you set the station address without opening the controller cabinet. It's the field-serviceable link: swap it with the rail powered down and you're back online without a full node swap.

Physical fit and thermal load

Width 79 mm, Height 60 mm, Depth 30 mm. Power loss typ. 2 W, dependent on loop current.

Frequently asked questions

What are the key dimensions of this connection block?

Width 79 mm, Height 60 mm, Depth 30 mm.

Can the 6ES7222-1BF22-0XA0 substitute for this part?

No – the 6ES7222-1BF22-0XA0 is a digital output module for the S7-200/SIMATIC S7-1200 platform, not a PROFIBUS connection block. It serves a completely different function and cannot be used as a drop-in replacement for the ECOFAST block.

MPN
6ES7194-3AA00-0AA0