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Schneider Electric TM3BCSL

TM3BCSL Modicon TM3 Bus Coupler, Modbus Serial, 24 V, 0.8 A

MPNTM3BCSL
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Schneider Electric Modicon TM3 bus coupler, TM3BCSL, Modbus serial, daisy chain, 0.8 A, IP20.

$132.08Ref. price · indicative, final on quote
Schneider Electric TM3BCSL datasheet (PDF)
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MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Specifications

TM3BCSL key specifications
ParameterValue
Range of productModicon TM3
Product or component typeI/O distributed module
Communication network typeModbus
Current consumption0.8 A 24 V DC internal supply maximum 7 expansion modules
IP degree of protectionIP20
Communication serviceModbus slave device profile
Communication port protocolModbus serial
Pollution degree2
Operating altitude0...6561.68 ft (0...2000 m)
Vibration resistance3M4 on 35 mm DIN rail
Depth2.8 in (70 mm)
Width1.06 in (27 mm)

All specifications

TM3BCSL additional specifications
ParameterValue
Height3.8 in (96.5 mm)
StandardsIEC 61131-2 UL/CSA 61010-1 UL/CSA 61010-2-201
CategoryUS10MSX22533
TopologyDaisy chain
Fixing modeBy clipping locks (rail) By screws (mounting plate)
Web servicesWeb server, USB
Exchange modeHalf duplex
Local signalling1 LED green/red PWR (System Status) 1 LED green/red COM (Run) 1 LED green/red ERR (Error) 1 LED green/red I/O status
Transmission rate1.2...115.2 kbit/s
Ambient air temperature for storage-13...158 °F (-25...70 °C)
Ambient air temperature for operation14...140 °F (-10...60 °C)

Product details

The TM3BCSL is the Modbus serial bus coupler for Modicon TM3 remote I/O racks. It supports daisy chain topology at 1.2 to 115.2 kbit/s. Draws 0.8 A from the 24 V DC supply when powering up to 7 expansion modules. The web server and USB port simplify configuration and diagnostics. Temperature range -10 to 60 °C, IP20 enclosure.

Compliance

Compliant with IEC 61131-2, UL/CSA 61010-1, and UL/CSA 61010-2-201. Rated pollution degree 2. Suitable for industrial control environments up to 2000 m altitude.

Dimensions 70 mm deep x 27 mm wide x 96.5 mm high. Vibration rated 3M4 on rail.

Frequently asked questions

What is TM3BCSL's listed depth?

Depth is 2.8 in (70 mm).

What is TM3BCSL's listed width?

Width is 1.06 in (27 mm).

What compliance documentation does TM3BCSL carry?

TM3BCSL complies with IEC 61131-2, UL/CSA 61010-1, and UL/CSA 61010-2-201.

MPN
TM3BCSL