VAMP VEA 3CGi, User Manual

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VEA 3CGi Ethernet adapter
User’s manual
VAMP Ltd
1.2. Application
Figure 1.2-1 Application
VAMPSET data over Ethernet

Read / write of relay settings
 Upload of disturbance recordings
Time synchronization of relays with NTP-server
 NTP time server connects to Ethernet

NTP server gets its time from GPS or Internet
 VEA 3CGi gets synchronized via the server, using SNTP
 The relay is synchronized to VEA 3CGi via the Local
interface
Modbus TCP over Ethernet

Read / write of relay data in Modbus registers
 The applicable Modbus register numbers for each VAMP
relay type can be found from documents called “ Modbus
parameters”.

The same data which is available via serial Modbus RTU
protocol is also available via Modbus TCP.
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