~ 5 ~
NOVATEK-ELECTRO
EM-129
Table 1 (continued)
Description
Value
Switching resource of output contacts:
-
Electrical, number, not less than
-
Mechanical, number, not less than
10 000
500 000
Power consumption (under load), W, no more
2.5
Allowable pollution
II
Overvoltage category
III
Class of electrical shock protection
II
Rated insulation voltage, V
450
Rated impulse withstand voltage, kV
4.0
Mass, kg, no more
0.160
Dimensions
See Fig.1
Installation (assembling) of the device - standard DIN rail 35 mm
The device retains its operability in any position in space
Material of the body frame - self-extinguishing plastic
-------
¹ - provided that synchronization with the NTP server is enabled and there is access to the Interweb;
² - provided that the device has been working from the mains for at least 1 hour;
3
- failures and changes in the condition of relay contacts are stored immediately without waiting for a
recording period.
2.2 Modes of Operation of the Device
The device can work in three modes:
Automatic mode of operation;
Manual control mode;
Wi-Fi connection setup mode
.
Automatic mode
. Meter EM-129 performs connection to a user-defined access point, measures and controls
mains parameters (voltage, frequency, current, etc.) to protect the load and account for electricity, as well as control
(enable / disable) the load according to a user-defined schedule.
In the event of a failure (excess of current or voltage above a predetermined level, voltage drop below a
predetermined level) meter EM-129 performs an emergency load disconnection.
Manual control mode
. If the user changed manually the state of the load (by using the button of the front panel or
remotely through the my.overvis.com service), meter EM-129 blocks the execution of the current scheduled event
and switches over to the manual control mode.
When the current scheduled event is completed or the next scheduled event occurs, meter EM-129 returns to
the automatic mode of operation.
Wi-Fi connection setup mode
. Meter EM-129 creates its own access point with the name: "EM-129_xxxxxx",
where xxxxxx is the unique device code.
The user, having connected to this access point, and in the Web browser (Opera, Chrome, Fire Fox, others) by
going to the address “http://em.com” or “http://192.168.4.1”, gets access to the settings of Wi-Fi connection of the
device.
3. INTENDED USE
3.1 Preparation for use
• Unpack and check the device for damage after transportation, if any, contact the supplier or manufacturer;
• Carefully read the Operation Manual;
• If the temperature of the device after transportation or storage differs from the temperature of the environment
at which it is intended to be used, then before connecting to the mains, keep the device in operating
conditions for two hours (as moisture condensation may occur on the device elements);
• If you have any questions about installation of the device, please contact the manufacturer at the telephone
number indicated at the end of the Operation Manual.
3.2. Connection of the device
ATTENTION! ALL CONNECTIONS MUST BE PERFORMED WHEN THE DEVICE IS DE-ENERGIZED.
Error when performing the installation works may damage the device and connected devices.
To ensure the reliability of electrical connections the flexible (stranded) wires with insulation for voltage of at least
450 V should be used,
the ends of which it is necessary to be striped of insulation for 5±0.5 mm and tightened with
bootlaces. Wires fastening should exclude mechanical damage, twisting and abrasion of the wire insulation. The
wire cross section for connecting the equipment protected must be at least 10 mm
2
.
IT IS NOT ALLOWED TO LEAVE EXPOSED PORTIONS OF WIRE PROTRUDING BEYOND THE TERMINAL
BLOCK.
For a reliable contact, tighten the terminal screws with the force indicated in Table 1.