Schneider Electric / Sercos III communication module / TM5NS31

Schneider Electric Modicon TM5 TM5NS31: Sercos III communication module. Check exact controller/firmware compatibility and required assembly parts in the manufacturer document.

Manufacturer part number: TM5NS31
Brand: Schneider Electric
Category: Industrial networking
Catalog status: Request a quotation

Technical specifications

Product family: Modicon TM5
Communication protocol: Sercos III
Connector type: 2 RJ45 Sercos ports
Transmission rate (Mbit/s): 100
IP protection: IP20
Manufacturer data review note: Manufacturer-source clarification is pending for: Additional EtherNet/IP support / included assembly parts. No definitive value is stated for those fields.

Manufacturer technical catalog · Modicon TM5 catalogue; full reference indexed at PDF 43 · en · DIA3ED2131204EN V5.1 · 2023-01Manufacturer source: Schneider Electric · Model explicitly covered in family document · Covered models: TM5NS31 · Checked: 2026-10-24Manufacturer datasheet · Exact-model generated product datasheet (US regional version) · en · 2026-10-24Manufacturer source: Schneider Electric · Exact model verified · Covered models: TM5NS31 · Checked: 2026-10-24Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.