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Seria KM50

Monitorizarea energiei pe panou cu vizibilitate ridicată

KM50 poate măsura, printre altele, energia, curentul şi tensiunea produsă şi consumată, precum şi puterea reactivă în capacitivă, puterea reactivă inductivă, factorul de putere şi frecvenţa

Contribuiţi la analiza reducerii consumului de energie cu funcţia încorporată de clasificare energetică.
Măsurători de înaltă precizie, chiar şi pentru curenţi sub 5% din valoarea nominală, prin comutarea automată a gamei.
Poate măsura şi face distincţia între puterea consumată şi cea generată.
Măsurarea puterii reactive şi a factorului de putere.
Măsurarea tren de impulsuri integrată şi conversie directă pentru a măsura KPI-urile pentru gestionarea energiei (de ex. nr. de buc. / kWh).
Nu este necesar niciun transformator de tensiune, detectarea directă a tensiunii / transformatoarele de curent pot fi si deschise
Afişaj multicolor
Comunicaţie Modbus
Înregistrare integrată a datelor

Comparaţi toate modelele Librărie CAD

Specificaţii şi informaţii pentru comenzi

Ordering information

KM50-E Smart power monitor

Applicable circuits	Power supply voltage (shared)	Dimensions	Communications	Protocol	Order code
Single-phase, two wire: 100 to 480 VAC Single-phase, three wire: 100/200 VAC Three-phase, three wire: 100 to 480 VAC Three-phase, four wire: 85 to 277 VAC	100 to 240 VAC	96 × 48 × 93 (H × W × D)	RS-485	CompoWay/F: 31 nodes, Modbus: 99 nodes (Both are supported by the same model.)	KM50-E1-FLK

Applicable circuits

Power supply voltage (shared)

Dimensions

Communications

Protocol

Order code

Single-phase, two wire: 100 to 480 VAC

Single-phase, three wire: 100/200 VAC

Three-phase, three wire: 100 to 480 VAC

Three-phase, four wire: 85 to 277 VAC

100 to 240 VAC

96 × 48 × 93 (H × W × D)

RS-485

CompoWay/F: 31 nodes,
Modbus: 99 nodes
(Both are supported by the same model.)

KM50-E1-FLK

CTs

Rated primary current	Rated secondary current	Installation	Order code
5 A	Special output	Installed separately	KM20-CTF-5A
50 A			KM20-CTF-50A
100 A			KM20-CTF-100A
200 A			KM20-CTF-200A
400 A			KM20-CTF-400A
600 A			KM20-CTF-600A

Note: CT cables are not included with the CTs.

CT Cable

Cable length	Order code
3 m	KM20-CTF-CB3

Note: Either use the CT Cable specified by OMRON or use 1.25-B3A crimp terminals and AWG22 wire from J.S.T. Mfg. Co., Ltd.

Specifications

Ratings

Item		KM50-E
Applicable circuit		Single-phase two wire, single-phase three wire, three-phase three wire and three-phase four wire power
Rated power supply voltage		100 to 240 VAC, 50/60 Hz
Allowable supply voltage range		85% to 110% of rated power supply voltage
Allowable frequency range		45 to 65 Hz
Power consumption		7 VA max.
Rated input	Rated input voltage	100 to 480 VAC (single-phase, 2-wire): Line voltage 100/200 VAC (single-phase, 3-wire): Phase voltage/line voltage 100 to 480 VAC (3-phase, 3-wire): Line voltage 58 to 277 VAC (3-phase, 4-wire): Phase voltage
	Rated input current	5 A, 50 A, 100 A, 200 A, 400 A, or 600 A (primary current of Special CT)1
	Rated frequency	50/60 Hz
	Rated input power	With 5-A CT: 4 kW With 100-A CT: 80 kW With 400-A CT: 320 kW	With 50-A CT: 40 kW With 200-A CT: 160 kW With 600-A CT: 480 kW
	Allowable input voltage	110% of rated input voltage (continuous)
	Allowable input current	120% of rated input current (continuous)
Ambient operating temperature		− 10 to 55°C (with no condensation or icing)
Storage temperature		− 25 to 65°C (with no condensation or icing)
Ambient and storage operation humidity		25% to 85%
Installation environment		Overvoltage category and measurement category: 2, Pollution level: 2

Performance

Smart power monitor

Item		KM50-E
Accuracy	Voltage	± 1.0% FS ± 1 digit (at ambient temperature of 23°C, rated input, and rated frequency). However, the accuracy is ± 2.0% FS ± 1 digit for the Vtr line voltage for three-phase, three wire power and the Vrs line voltage for single-phase, three wire power under the same conditions.
	Current	± 1.0% FS ± 1 digit (at ambient temperature of 23°C, rated input, and rated frequency). However, the accuracy is ± 2.0% FS ± 1 digit for the phase-S current for three-phase, three wire power and the phase-N current for single-phase, three wire power under the same conditions.
	Active power Reactive power	± 2.0% FS ± 1 digit (at ambient temperature of 23°C, rated input, rated frequency, and a power factor of 1) Reactive power formula: Reactive power = v × i × sin θ “v” is the instantaneous voltage and “i” is the instantaneous current. θ is the phase difference between the voltage and current.
	Frequency	± 0.3 Hz ± 1 digit (at ambient temperature of 23°C, rated input, and rated frequency)
	Power factor	± 5.0% FS ± 1 digit (at ambient temperature of 23°C, rated input, rated frequency, and power factor = 0.5 to 1 to 0.5) Power factor formula: Power factor = Active power/Apparent power
	Temperature	± 5°C two hours after the power is turned ON (after setting the offset to match the ambient environment)
Communications	Communications method	RS-485 (two wire half-duplex)
	Sync method	Start-stop
	Unit number setting	CompoWay/F: 0 to 99, Modbus: 1 to 99
	Baud rate	1.2, 2.4, 4.8, 9.6, 19.2, 38.4 kbps
	Transmission code	CompoWay/F: ASCII, Modbus: Binary
	Data length	7, 8 bits
	Stop bit length	1, 2 bits
	Vertical parity	Even, odd, or none
	Maximum transmission distance	500 m
	Maximum number of connected Power Monitors	CompoWay/F: 31, Modbus: 99

CTs

Item	KM20-CTF-5A	KM20-CTF-50A	KM20-CTF-100A	KM20-CTF-200A	KM20-CTF-400A	KM20-CTF-600A
Rated primary current	5 A	50 A	100 A	200 A	400 A	600 A
Secondary winding	3,000 turns				6,000 turns	9,000 turns
Application frequency	10 Hz to 5 kHz
Insulation resistance	Between output terminal and external case: 50 M Ω min. (at 500 VDC)
Dielectric strength	Between output terminal and external case: 2,000 VAC for 1 min
Protective element	7.5 V clamp element
Allowable number of connections/disconnections	100 times
Inner diameter	10 dia.		16 dia.	24 dia.	37 dia.
Operating temperature and humidity range	− 20 to 60°C 85% (with no condensation)
Storage temperature and humidity range	− 30 to 65°C 85% (with no condensation)

1. A special output signal is output as the secondary current from the Special CT.

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