Siemens SIMATIC S5 IM306 interface module, part number 6ES5 306‑7LA11 / 6ES5306‑7LA11, for S5‑115U/H/F PLC systems. Module is used, in good working condition, and comes in the original SIMATIC S5 carton with built‑in front wiring chart and hinged terminal cover.
Brand: Siemens
Series: SIMATIC S5‑115U/H/F
Model: IM306 interface module
Part no.: 6ES5 306‑7LA11 / 6ES5306‑7LA11
Function: Centralized connection of S5‑115U expansion units (EU) to a central rack or to another expansion rack; provides the backplane interface between base and extension.
Ports: Two IM306 interface connectors (one to central rack, one to expansion rack) with matching coding and keying; used as a pair for each extension segment.
Power consumption: Approx. 50 mA from the 5 V backplane supply.
Weight: Around 0.6 kg.
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Front panel:
Printed address table for assigning digital and analog I/O addresses for multiple modules in the rack.
Large hinged cover over the terminal area for labeling and protection.
Used, removed from a functioning S5 installation; no bent connectors or broken plastic observed on the module front.
Original Siemens SIMATIC S5 cardboard box is included but shows tape, discoloration and storage wear.
Module shows minor scuffs and marks from handling but overall clean; no accessories or interconnecting cables are included.
Not reconditioned or factory‑tested by Siemens; sold as used good working condition based on system removal history.
IM306 modules are typically installed as matched pairs: one in the central S5‑115U rack and one in the expansion rack; check your configuration to determine how many are required.
For configuration, addressing and wiring rules, refer to the S5‑115U programmable controller manual and Siemens IM306 documentation.
Ideal as a spare or replacement for legacy MAN printing presses and other OEM systems that use S5‑115U with centralized expansion racks
