Bachmann|EM203| Ethernet Master Module
Description
The Bachmann EM203 is an Ethernet master module with three RJ45 ports, extending the control system with additional network adapters for Ethernet-based connectivity.
Features
Three Ethernet ports, integrated switch, status display via LED, and support for cable lengths up to 100 m per line.
Technical Specifications
Ethernet Ports
Number of transceivers 3x 10/100BaseT
Connectors 3x RJ45 (autocross detection)
Line length Max. 100 m per line
Transfer rate to M1 CPU Max. 2.4 Mbit/s user data
Transfer rate as switch Max. 100 Mbit/s
Line impedance 100 Ω
Status Indicators
LEDs Power, collision, 4x LinkPuls, 3x speed (10/100 Mbit/s)
Environmental Conditions
Operating temperature 0 °C to +60 °C
Relative humidity Operation: 5% to 95% without condensation
Storage temperature -40 °C to +85 °C
Relative humidity Storage: 5% to 95% with condensation
Performance
Supports Modbus TCP, UDP, and RTU protocols
Multiple networks Up to 8 networks per CPU
Nominal transfer rates Serial (RTU): 38400, 19200, 9600, 4800 bits/s (gross)
Nominal transfer rates Ethernet (TCP): 10/100 Mbit/s (gross)
Bachmann|EM203| Ethernet Master Module


Bachmann|EM203| Ethernet Master Module
Description
The Bachmann EM203 is an Ethernet master module with three RJ45 ports, extending the control system with additional network adapters for Ethernet-based connectivity.
Features
Three Ethernet ports, integrated switch, status display via LED, and support for cable lengths up to 100 m per line.
Technical Specifications
Ethernet Ports
Number of transceivers 3x 10/100BaseT
Connectors 3x RJ45 (autocross detection)
Line length Max. 100 m per line
Transfer rate to M1 CPU Max. 2.4 Mbit/s user data
Transfer rate as switch Max. 100 Mbit/s
Line impedance 100 Ω
Status Indicators
LEDs Power, collision, 4x LinkPuls, 3x speed (10/100 Mbit/s)
Environmental Conditions
Operating temperature 0 °C to +60 °C
Relative humidity Operation: 5% to 95% without condensation
Storage temperature -40 °C to +85 °C
Relative humidity Storage: 5% to 95% with condensation
Performance
Supports Modbus TCP, UDP, and RTU protocols
Multiple networks Up to 8 networks per CPU
Nominal transfer rates Serial (RTU): 38400, 19200, 9600, 4800 bits/s (gross)
Nominal transfer rates Ethernet (TCP): 10/100 Mbit/s (gross)