The 6ES7478-2AC00-0AC0 is a Siemens EXM478 expansion module, classified as a PLC expansion module within the PLCs and Accessories category. It is designed to extend the I/O or functional capability of a Siemens S7-400 series PLC rack, slotting into the backplane alongside CPU and other modules.
6ES7478-2AC00-0AC0 EXM478 Expansion Module, Mature Lifecycle
MPN6ES7478-2AC00-0AC0
Siemens EXM478 expansion module, order code 6ES7478-2AC00-0AC0, PLC expansion module, mature lifecycle stage, 0.16 kg.
$257.18Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.16 kgs |
Product details
Frequently asked questions
How do I source this part?
The part is at a mature lifecycle stage and can be sourced to order against an RFQ through standard industrial automation distribution channels.
MPN
6ES7478-2AC00-0AC0