Page 3 of 16
1 GENERAL
This manual contains information about the CEM 05100 Ethernet communication adapter, which is
an adapter of the serial communication adapter (SCA) family for electronic electricity meters
manufactured by ABB AB. Throughout this manual the CEM 05100 Ethernet communication
adapter will be referred to as the SCA or the adapter.
The purpose of this manual is to give the user a good overview and understanding of the features
the CEM 05100 Ethernet communication adapter offers.
WARNING!
The voltages connected to the SCA are dangerous and can be lethal. Therefore it must
be insured that the terminals are not touched during operation. When installing the SCA all voltages
must be switched off.
Note:
The adapter is equipped with a positive temperature coefficient (PTC) thermistor for overload
protection.
2 PRODUCT DESCRIPTION
The CEM 05100 Ethernet communication adapter is an ABB serial communication adapter product
that enables automatic meter reading (AMR) of an ABB electricity meter over an ethernet network
using the standard TCP and UDP protocols. Like all other ABB serial communication adapters, the
ABB Ethernet communication adapter have the size of 2 DIN-modules and follows the ABB’s pro M-
standard, which defines mechanical dimensions, way of mounting (35 mm DIN-rail) and design
outlook. Furthermore the adapter follows and meets the safety requirements of DIN EN 50090-2-2.
The ABB Ethernet communication adapter does also have a built-in web server which provides
easy access of meter data and simple adapter configuration with an ordinary web browser.
2.1 PRODUCT OVERVIEW
The different parts of the SCA are depicted below.
Figure 1: SCA parts.
1. RJ-45 Ethernet connector.
2. Reset port.
3. Label with the type designation and MAC address.
4. Terminal for connecting power.
5. Infrared communication port
6. Status LED
