Novatek-electro EM-481, Operating Manual

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NOVATEK-ELECTRO EM-481
parameters, resetting of MAC-address and other Ethernet settings;

Protection of access (password for setting mode, filter of IP-address for setting or connection to Modbus
network, connection only to the selected server with automatic login, password for control via SMS);

Different modes of data interchange via MODBUS network (RTU or ASCII, with checking of parity for even-
odds or without checking, wide range of transmitting rate, adjustable delay);

programming the collection of data, events, and action for events (see Appendix
С);

Service functions (real time clock, firmware updating option).
1.2. Controls, overall and mounting dimensions
1.2.1.
Overall and mounting dimensions of EM-481 are shown in Fig. 1.1.
Figure 1.1
– Overall and mounting dimensions of EM-481
1.2.2.
Controls are shown in Fig. 1.2.
1
–
"PWR" LED is on when there is supply voltage;
2
–
"LAN" LED is on when connected to Ethernet network, it blinks
while the data exchanging via the network;
3
– The display serves to display the state of the device, the
connections, the load of the communication interfaces, and showing of
warnings about detected faults;
4
– “GSM”
LED is blinking every 3 sec. when there is connection via GSM
network or UMTS, it is blinking 3 times per second while data exchanging
via GPRS or HSPA;
5
– "
AL" LED warns about the registration of the fault in the course by
analysis of the received data;
6
– “SD”
is on when there is a memory card in a special slot, it is
blinking while the data exchanging to SD-card;
7
– “SRV”
is on when there is a connection with a server for data
collation, it is blinking while data exchanging with the server;
8
– “485”
is on when waiting a respond from the device in Modbus network; it is blinking while data exchanging via
Modbus network;
9
– “R”
reset button (is located under the housing, designed to restart the device or by thin non-conducting current subject).
Figure 1.2
– Controls of EM-481
1.3. Operation conditions
The device is intended for operation in the following conditions:
–
Ambient temperature: from minus 35 to +55
°С;
–
Atmospheric pressure: from 84 to 106.7 kPa;
–
Relative humidity (at temperature of +25
°С): 30 … 80 %.
ATTENTION! The device is not intended for operation in the following conditions:
–
Significant vibration and shocks;
–
High humidity;
–
Aggressive environment with content in the air of acids, alkalis, etc., as well as severe contaminations
(grease, oil, dust, etc.).