Table of Contents
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The most actual version of this manual is available online at http://www.KMB.cz/
Contents
2.1 Safety requirements when using SMC 133 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Used symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Installation of the instrument . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.1
Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.2
Measured voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.3
Measured currents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.4
Communication peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3.5
Inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Downloading data to PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 Energy meter readings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1 Basic Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Measured Quantities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.3 Inputs and Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
SMC 133
Firmware 4.0
Revision 2.0 / 30.3.2021
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Summary of Contents for KMB SMC 133
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Page 1: Table Of Contents
2 Operating the Meter 2.1 Safety requirements when using SMC 133 ....... -
Page 2: General Description
Two different user interfaces are offered - SMC 133 D with a small embedded color display on the front panel for simple local value reading and an unobtrusive SMC 133 without display with limited ability for for hostile user interaction. -
Page 3: Operating The Meter
Power Analyzer Power Analyzer VOLTAGE INPUTS VOLTAGE INPUTS S2 S1 S2 S1 S2 S1 S2 S1 S2 S1 S2 S1 Figure 2: The instrument SMC 133 with auxiliary power supply option U“ (left) and S“ or L“ (right). ” ”... - Page 4 Direct current (DC); To indicate on the rating plate that the equipment is suitable for direct current only; to identify relevant terminals. Both direct and alternating current; To indicate on the rating plate that the equipment is suitable for both direct and alternating current (universal);...
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Page 5: Installation Of The Instrument
A connection wire’s maximum cross section area is 2.5 mm in case of all screw terminals. The SMC 133 is primarily intended for DIN-rail mounting. Dimensions of the instrument are on figure 3. There are also positions marked with dash dot lines of holes for wall-mounting with three screws. -
Page 6: Measured Voltage
figure 4). It has to be located left to the instrument and easily reachable by the operator. The circuit breaking device must be identified as the equipment power disconnection switch. A circuit breaker of the nominal value 1 A is a convenient circuit breaking device. Its function and position has to be clearly identified (symbols ‘0’ and ‘I’... - Page 7 MV/LV Transformer Figure 4: An example of typical installation of SMC 133 instrument — options L or S for various LVDC power supplies and option U for universal LVAC. Typical connection options for voltage measurements: star, delta and single phase feeders. Option E (left) for Ethernet port remote communication, option U (right) for local USB communication port (all instruments provide RS485 serial line).
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Page 8: Inputs And Outputs
PC. Use the supplied USB cable only (USB-A/mini). SMC 133 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 9: Energy Meter Readings
DIGITAL I/O SMC 133 Figure 7: An example of mixed input and output of SMC 133 supplied by a 12 VDC power supply PWR. status of each supported archive. Device Information section contains editable description and name under which the actual record is stored. -
Page 10: Technical Specifications
3 Technical Specifications 3.1 Basic Parameters Auxiliary Voltage model „S“ model „L“ model „U“ 100 ÷ 420 V rated auxiliary voltage range 12 ÷ 30 V 24 ÷ 60 V 96 ÷ 250 V AC auxiliary voltage range, f: 40 ÷ 100 Hz 85 ÷... - Page 11 EN 55022, class A (not for home use ) RS-485 (2400 ÷ 921600 Bd), optional USB, Ethernet 100Base-T communication ports KMB, Ethernet to RS-485 gateway (optional module), Modbus RTU and TCP, Modbus Master (optional module), communication protocols WEB server, JSON,...
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Page 12: Measured Quantities
3.2 Measured Quantities Measured Quantities – Voltage Frequency – nominal frequency 50 / 60 Hz measuring range 40 ÷ 70 Hz uncertainty ± 10 mHz Voltage voltage input option standard variant („230“) )– rated voltage 180 ÷ 280 V 4 ÷ 420 V measuring range line-to-neutral 7 ÷... - Page 13 Measured Quantities – Current, Temperature Current current input option „X/100mA“ „X/5A“ ) – rated (basic) current 0.1 A measuring range 0.00025 ÷ 0.15 A 0.0125 ÷ 7.5 A intrinsic uncertainty (t =23 ±2 ºC) +/- 0.05 % of rdg ± +/- 0.05 % 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: Inputs And Outputs
3.3 Inputs and Outputs Digital Outputs & Digital Inputs: universal 1+1 DIO (only models with „U“ auxiliary voltage) Digital Outputs type Opto-transistor, unipolar (Cx +, Dx -) load rating 35 V , 30 mA dynamic parameters (pulse output): S0 - compatible - pulse duration 50 ms - gap duration... -
Page 16: Maintenance, Service, Warranty
The 18350 rechargeable Li-ion battery cell for the instrument operation backup is also optionally installed inside the SMC 133 option S or L. If the battery malfunctions it is necessary to ship the instrument to the manufacturer for battery replacement.
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