Bachmann EM203 Ethernet Adapter Module

Expand Your M200 System with Flexible Ethernet Connectivity

The EM203 Ethernet module from Bachmann adds three 10/100 MBit Ethernet ports to your M200 control system. It enables service laptop connections and supports Ethernet-based networking for FASTBUS SubDevices. Designed for industrial applications, the EM203 ensures reliable and fast communication with minimal setup.

Key Features for Seamless Networking Integration

The EM203 integrates seamlessly with existing systems, providing three Ethernet ports for high-speed data transfer. It supports up to 100 meters of cable length per line, offering flexibility in system layout. The module includes an integrated switch for efficient communication and automatic cross-over detection, simplifying wiring tasks.

Technical Specifications

Ethernet Port Specifications

Parameter	EM203
Number of Ports	3x 10/100BaseT
Connector Type	3x RJ45 (autocross detection)
Maximum Cable Length per Line	100 m
Line Impedance	100 Ω
Transfer Rate to M200 CPU	Max. 2.4 Mbit/s user data
Maximum Transmission Rate (Switch)	100 Mbit/s
Status Indication	Power, Collision, Link Pulses, Speed (10/100 Mbit/s)

Power and Status

Status Indicators: LEDs for power, collision, 4x Link Pulses, 3x speed (10/100 Mbit/s)
Integrated Switch: Enables smooth data transmission between devices.

Environmental Ratings and Certifications

The EM203 is built to withstand challenging industrial environments. It operates efficiently in temperatures ranging from –30 °C to +60 °C and can handle humidity levels of 5–95%, both with and without condensation.

Category	Details
Operating Temperature	–30 °C to +60 °C
Storage Temperature	–40 °C to +85 °C
Humidity (Operation)	5–95% non-condensing or condensing version
Pollution Degree	2 (IEC 60664-1)
General Approvals	CE, UKCA, cULus
Marine Approvals	ABS, BV, DNV, KR, LR, NK, RINA

Performance and System Integration

The EM203 module delivers stable Ethernet connections across its three ports, providing reliable communication in industrial networks. Its built-in switch ensures smooth operation even when the system scales or experiences high network traffic. The module’s compact design and integrated features make it cost-effective and space-saving.