Novatek-electro EM-481, Operating Manual

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EM-481 NOVATEK-ELECTRO
2. DELIVERY SET
The device delivery set is specified in Table 2.1.
Table 2.1
– Device delivery set
Description QTY, pc
EM-481 1
Cable for Ethernet connection 1
GSM antenna (SMA M connector, 50 Ohm)* 1
Memory card microSD (2 Gb) 1
Operation Manual; Technical Passport 1
Packing 1
N o t e : * other types of antennas are delivered in coordination with the buyer
3. TECHNICAL SPECIFICATIONS
The device technical specifications are given in Table 3.1.
Table 3.1
– Technical Specifications
Description
Value
DC rated supply voltage, V 12
Data exchange interface via wired network 10Base-T/100Base-T
Supported Ethernet protocols UDP, ARP, TCP
Data exchange interface via wireless network GSM, UMTS
Supported standards of wireless network SMS, GPRS, HSPA
Integrated servers MODBUS TCP, HTTP
Maximum number of connections via Modbus TCP protocol 4
Data exchange interface via Modbus network RS-485
Supported protocols of Modbus network MODBUS via RS-485 MODBUS RTU,
MODBUS ASCII
Transmission speed in the MODBUS network via RS-485, bit/s 75
– 921600
Maximal output voltage of driver RS-485, V 3.3
Short circuit output voltage of driver RS-485 (maximum), mA 250
Resistance of in-built terminator, Ohm 1000
The recommended number of connected devices in Modbus network:
–
when the input current of receivers on RS-485 bus is no more than 0.125 mA;
–
when the input current of receivers on RS-485 bus is no more than 1 mA;
256 max.
32 max.
Readiness time when power is applied, no more than, s 15*
The supply voltage at which the operability is maintained 9
–30
Power consumption (under load), W, not more than 6
Device service Switchgear and controlgear
Rated operating condition Continuous
Protection class rating IP20
Electric shock protection class II
Climatic design version NC 3.1
Permissible contamination level II
Overvoltage category II
Rated voltage of insulation, V 450
Rated impulse withstand voltage, kV 2.5
Conductor cross-
section for connecting to terminals, mm²
0.5-3
Tightening torque of the terminal screws, N * m 0.4
Weight, kg, maximum 0.400
Overall dimensions (Fig. 1.1), H*B*L, mm
–
with installed GSM antenna
–
without GSM antenna
64.5*106.5*36
64.5*100*36
Installation (mounting) of the device is on standard 35 mm DIN-rail
The device remains operational capability in any position in space
Housing material - self-extinguishing plastic
Notes: * Connections in Ethernet networks/Internet can take more time.