Table of Contents
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The complete and most actual version of this manual is available online at http://www.KMB.cz/
Contents
2.1 Safety requirements when using SMY-CA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Instrument overload warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1
Connection step by step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2
Disconnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3
Communication peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Lock/unlock the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1
Locking the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.2
Unlocking the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 Basic instrument setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.1
Installation type and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.2
Communication options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5.3
Time and date options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.6 Downloading data to PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.7 Energy meter readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Basic Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Measured Quantities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
KMB systems, s. r. o.
Dr. M. Hor´ a kov´ e 559, 460 06 Liberec 7, Czech Republic
E-mail: kmb@kmb.cz, Web: www.kmb.cz
Operating Manual for
SMY-CA
version 2.0
6/2016
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Summary of Contents for KMB SMY-CA
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Page 1: Table Of Contents
2 Operating the Meter 2.1 Safety requirements when using SMY-CA ....... -
Page 2: General Description
General Description The portable power analyser SMY-CA is specially designed for monitoring of energy and power quality in advanced power systems and smart grids. It uses standard USB port for local configuration and data acquisition and also Ethernet for communication with remote control systems. -
Page 3: Operating The Meter
Table 1: Current sensor options Operating the Meter Safety requirements when using SMY-CA Warning !: When working with the instrument it is necessary to perform all necessary measures for the protection of persons and property against injury and electric shock. -
Page 4: Connection Step By Step
2.3.1 Connection step by step 1. Attach selected power cable to the instrument U connector and fasten it by mild tightening of the cap nut. 2. Check that recording control switch is in OFF position (O). 3. Now we will connect measured voltages to the instrument using voltage cable. In case of connection with croco clips wearing insulation gloves is strongly recommended while connecting the cable to the points of measurement! Use croco clips or magnetic adapters. -
Page 5: Disconnection
VOLTAGE ETHERNET CURRENT 3×230/400V Figure 2: Typicall connection of SMY-CA in LV network 2.3.2 Disconnection After recording of measurement for the desired period of time has been completed, it is necessary to disconnect the instrument from the points of measurement and transfer the data recorded to a computer. When disconnecting, the same precautions must be observed as those for connecting it and carry out all the steps in reversed order. -
Page 6: Communication Peripherals
PC. Use the supplied USB cable only (USB-A/mini). SMY-CA is a USB 2.0 slave device. For correct operation it needs a driver installed in your operating system (see the ENVIS user guide for more info). -
Page 7: Basic Instrument Setup
Basic instrument setup To navigate the screen and to configure the SMY-CA instrument locally there is 5 multifunction buttons located under the display area. its actual function is dynamic and is symbolized by a pictogram on the lower edge of the screen above each button (fig. -
Page 8: Communication Options
(f) Setting up the time, date and time nication option. cation option. synchronization options. Figure 5: Set up screens of the SMY-CA analyzer. 4. press button . Configuration screen will be displayed (fig. 5a) 5. press multiple times button and select Install Config item. -
Page 9: Downloading Data To Pc
ENVIS.Daq. Energy meter readings SMY-CA has an embedded three phase, four-quadrant energy meter with automatic meter reading functions and multiple programmable tariffs (Time-of-Use, TOU). The instrument registers active energy (EP, EP+, EP-) and reactive energy (EQL, EQC or EQC+, EQC-, EQL+, EQL-). According to the configuration of meter readings are shuffled to the respective tariffs. -
Page 10: Technical Specifications
Figure 6: Meter reading screens of SMY-CA . Scrolling the instrument screens vertically user lists meter readings for each tarif and sums (EP, EQL+, EQL-, EQC+ a EQC-) and single phase (L1, L2 and L3) values respectively. - Page 11 (1.2 communication ports USB 2.0, optional RS-485 ÷460 kBd Ethernet 10 Base-T communication protocols KMB, Modbus RTU and TCP, web server, DHCP display colour TFT-LCD, 320 x 240 pixels RTC : accuracy +/- 2 seconds per day backup battery capacity >...
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Page 12: Measured Quantities
Measured Quantities Voltage characteristics Frequency – nominal frequency 50 / 60 Hz measuring range 40 ÷ 70 Hz uncertainty ± 10 mHz Voltage measuring range (line-to-line) 100 ÷ 275 VAC measuring range (line-to-neutral) 173 ÷ 476 VAC intrinsic uncertainty (t =23±2ºC) +/- 0.05 % of rdg ±... - Page 13 Measured Quantities – Current, Temperature Current „X/333mV“ current input option ) – rated (basic) current I @ 333mV measuring range 0.002 ÷ 0.5 VAC intrinsic uncertainty (t =23±2ºC) +/- 0.05 % of rdg ± +/- 0.02 % of rng temperature drift +/- 0.03 % of rdg ±...
- Page 14 Measured Quantities – Power, Power Factor, Energy Active / Reactive Power, Power Factor (PF), cos φ ( P reference conditions “A” : ambient temperature ( t 23 ±2 ºC U, I U = 80 ÷ 120 % U , I = 1 ÷ 120 % I for active power, PF, cos φ...
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Page 15: Maintenance And Service
Maintenance and Service Maintenance: the SMY-CA power analyzer does not require any maintenance during its operation. For reliable operation it is only necessary to meet the operating conditions specified and not expose the instrument to violent handling and contact with water or chemicals which could cause mechanical damage.
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