Function Description of Plug-In Modules of Modular and Non-
Modular Devices
Plug-In Module
Designation
Function Description
USART-xx-yEL Serial communication module with electric transmission
USART-xx-yFO Serial communication module with optical transmission for short distance
USART-xx-yLDFO Serial communication module with optical transmission for long distance
ETH-xx-2EL Ethernet module with electric transmission
ETH-xx-2FO Ethernet module with optical transmission
ANAI-CA-4EL Measuring-transducer module
ARC-CD-3FO Module for connecting optical sensors for detecting arcs
xx
y
2 letters, unique code for the module in the product code of the device
1 = 1 channel
2 = 2 channels
4.1
Plug-In Modules
4.1 Function Description of Plug-In Modules of Modular and Non-Modular Devices
128 SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017