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NOVATEK-ELECTRO
ET-485
3.1.2. Display and control
The front panel of ЕТ-485 is provided in Figure 3.
1 – Reset button
"R"
is designed to restart the unit or factory reset.
2 – Power indicator
«Power»
is activated if supply voltage is available.
3 – Error indicator
«Error»
warns about errors (to include format errors of incoming
data packages).
4 – Indicator
«RS-485»
is activated while waiting a reply from the unit in the
Modbus network; is flashing while data exchange over the Modbus network.
5 – Indicator
«Ethernet»
is activated when connected to the Ethernet network; is
flashing while data exchange over the Ethernet network.
Figure 3
–
Front panel of ET-485
3.2. Functioning
Simplified structural diagram of the unit is provided in Figure 4.
32-digit RISC-processor with ARM architecture provides data routing between the Modbus RTU/ASCII (RS-485)
network and Ethernet (10base-T/100base-T) network. The operating speed and availability of channels for direct access to the
memory allows to process the high-speed data flow. Indicators provide information on the connection status and data transfer
over the Modbus and Ethernet networks. The "Reset" button allows of restart the unit, without switching it off the mains, or do a
factory reset:
to do a factory reset – press and hold down the reset button
"R"
for 8 seconds;
"Error"
indicator shall be activated in 2
seconds; the unit shall be restarted and the indicator
"RS-485"
shall be activated and deactivated after 8 seconds of
holding down the button; release the
"R"
button;
to reset the unit while saving user configurations – press and hold down the reset button
"R"
; release the
"R"
button
when
"Error"
indicator shall become activated.
Note
– when restarting the unit, the clients may need to renew the connections.
