HVD3 series

The TOPAZ HVD3 series devices are part of the software and hardware system of telemechanics, automation, dispatching, and telecommunications, designed to perform the basic telemechanics functions: telemetry, remote signalling and remote control, electrical energy metering. The set of functions in a device depends on its modification.
TOPAZ HVD3-RTU1 Performs remote signaling and remote control functions. 8 remote signaling channels, 3 channels for discrete voltage control, 3 remote control channels, 2 RS-485 channels. More Information TOPAZ HVD3-RTU3 Performs remote signaling, remote control, and remote measurement functions. 1 current measurement channel, 3 voltage measurement channels, 8 remote signaling channels, 3 channels for discrete voltage control, 3 remote control channels, 2 RS-485 channels. More Information TOPAZ HVD3-RTU5 Performs the functions of remote signaling, remote control, remote measurement, and technical electricity metering.
current measurement channels with 3I0 calculation, 3 voltage measurement channels, 8 remote signaling channels, 3 channels for discrete voltage control, 3 remote control channels, 2 RS-485 channels
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TOPAZ HVD3-EM3 Performs the functions of remote signaling, remote measurement, and technical electricity metering. 3 current measurement channels with 3I0 calculation, 3 voltage measurement channels, 8 remote signaling channels, 3 channels for discrete voltage control, 2 RS-485 channels More Information TOPAZ HVD3-RTU7 Remote Control Unit. Performs the functions of remote signaling, remote control, remote measurement, and technical electricity metering. 4 current measurement channels, 3 voltage measurement channels, 12 remote signaling channels, 3 channels for discrete voltage control, 3 remote control channels, 2 RS-485 channels (copper/optical channel) More Information