Technical Data 10
10.4 Interfaces for Digital Communication
CPU • LAN interface (Ethernet 10/100-Mb)
• 2 serial interfaces,
supported standards: RS485/RS422/RS232
MSER4 • 4 serial interfaces, galvanically isolated amongst
each other, and interfaces and system
supported standards: RS485/RS422/RS232
ESER4 • 3 serial interfaces, galvanically isolated amongst
each other, and interfaces and system
supported standards: RS485/RS422/RS232
• LAN interface (Ethernet 10/100-Mb)
MFE7 • 1 serial RS485 interface
USB port • USB interface for connecting a PC or laptop for
parameterization and service purposes
Table 10: Protocol interfaces – technical specifications
10.5 Data Protocols
Ethernet
communication
• NTP, Modbus TCP, MMS, HTTP, DSfG (class B)
serial
communication
• Modbus (ASCII, RTU), UNIFORM, DSfG (class A)
Table 11: Supported data protocols