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Description:The Bachmann EM203 Ethernet Master Module is a versatile component designed to integrate seamlessly into the Bachmann M200 automation system.
Product condition: New
Packing condition:Factory Packing.
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Manufacturer | Bachmann |
Item number | EM203 |
Country of Origin | Austria |
Lead Time | In stock |
After-Sales Support | 12-months |
HS Code / Commodity code | 8537101190 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
PLC Autocontroller | 20 Years of Modular-Control Expertise
Data Sheet: Bachmann EM203 – 3-Port Ethernet Master Module
Contact: ab@mooreplc.com | Same-day dispatch worldwide
1.Product Identity
EM203 is a 3-port Ethernet master module for Bachmann M1 controllers.
It turns any M1 rack into a Modbus-TCP/UDP/RTU gateway without external switches, making it the default choice for wind-turbine, marine and rolling-mill networks.
2.Verified Specifications (per vendor datasheet & CE marking)
Parameter |
Value |
Ports |
3 × 10/100 Mbit/s RJ-45 (ETH0, ETH1, ETH2) |
Protocols |
Modbus TCP/UDP, RTU over TCP, HTTP, SNTP |
Port Isolation |
1.5 kV DC between each Ethernet port & backplane |
Processor |
ARM Cortex-A8, 400 MHz, 256 MB DDR3 |
Memory |
16 MB flash for firmware, 1 MB SRAM for variables |
Power |
24 V DC (18–36 V DC), 3 W typical |
Operating Temp |
–40 °C … +85 °C |
Dimensions |
100 mm × 63 mm × 12 mm (3U) |
Weight |
0.2 kg |
Certifications |
CE, UL, marine (DNV, ABS, LR, BV, NK, KR, RINA) |
3.Typical Applications
• Offshore wind turbines – links turbine PLC to SCADA via Modbus-TCP over fiber.
• Ship engine rooms – distributes process data to three separate control zones.
• Steel-mill finishing lines – real-time speed reference to three drive islands.
4.Ready-to-Ship Package
Part Number |
Description |
EM203 |
3-port Ethernet master (this unit) |
NT255 |
24 V DC 10 A supply |
BS207 |
7-slot M1 backplane |
RS204 |
RS-485/RS-232 serial module (optional) |
ETH-CBL-3M |
Cat-5e patch cable, 3 m |
Need pricing or overnight delivery?
Email: ab@mooreplc.com | Phone: +86-18106909650
All items factory-sealed, ready for same-day dispatch.
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