ENC 380(E)

The module of the ENC 380(E) series has been specifically designed for the polling of energy counters with standardized data interfaces according to IEC 1107 specification. It can address and poll up to 8 meters via two 20 mA electrical interfaces in direct mode or cascade mode and transmit the data to the remote station. In this context the ENC 380(E) distinguishes itself from standard transparent modems by providing an intelligent data flow control and a secure data transmission with the FNP protocol. It is optimally suited to a safe and fast transmission of load profiles and meter values from electricity meters.

The basic functions of the device are as similar as the classic ENC 400 series; however for cost reasons the ENC 380(E) has no additional impulse inputs and no separate load profile memory. All other functions of the ENC 400 series devices are available. In order to reduce the communication time, two special procedures are used. On one side the ENC 380(E) collects the data from the meter and stores it in a memory buffer before calling the remote station thus avoiding the call up procedure to the meter. On the other side, the data is packed with a compression procedure and only then transmitted to the main station.

In this context, the transmission rate can be kept so low that even with variable line qualities of the telephone connection, the first call will be successful and a link can be established without requiring additional baud rate adaption in relation to the destination device.

During the data read-out, it is possible to use analysis functions to form extracts from raw data protocols or to carry out individual checks via certain meter registers on site.

The real-time clock buffered by a gold leaf capacitor with a reserve of 10 days (in case of power failure) ensures an accurate functioning of the device. Meters which are equipped with a less precise clock can be synchronized with DCF real-time through the ENC 380(E) which saves the installation of an expensive external clock on the measurement site.

In addition, the device disposes of a relay exit with a monostable relay to enable switching on site.