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Wireless Pulse Counter for Fiscal Energy Meters with integrated Pulse Repeater

The KET-MES-666 is a pulse counter that connects to the standard ES (signal emission) interface of the electricity meters, equipped with 6 digital inputs with signal repeater for clean contacts: 2 for active and reactive energy withdrawn; 2 for active and reactive energy injected; 2 for tariff bands.

It is equipped with a high-sensitivity radio module that can reach distances of more than 1000 m in free air.

Maximum flexibility of power supply, direct from the mains or low voltage, both DC and AC.

Format suitable for mounting in electrical panel on DIN-rail.
The internal
F-RAM memory for the continuous saving of the meters allows to keep the data even in case of sudden power failure.

KET-MES-666 allows the input of K and C factors for the withdrawn counter and for the grid feed counter, in this way it calculates in real time the kWh of active and reactive energy and the instantaneous powers for each counter. Moreover, if the relative contacts of the F1, F2 and F3 bands are active, it sums up on three distinct counters the active energy withdrawn.

These features make the KET-MES-666 the ideal instrument for UVAC, UVAP and UVAM systems for the MSD.

  

GENERAL SPECIFICATIONS
Protection Range Front: IP40; Screw Terminals: IP20
Operative Temperature -20 ÷ +60 °C
CASE
Dimensions 88 x 110 x 60 mm (W x H x D)
Mounting Wall mounting or on DIN rail
Required DIN modules 5 DIN modules
Electric Board Type Industrial or switchboard
Material Blend PC/ABS sel extinguishing UL94-VO
POWER SUPPLY
Supply Voltage 12 ÷ 24 VDC, 12 ÷ 20 VAC; 230 VAC with integrated power supply
Consumption < 1.5 W @ 12 ÷ 20 VAC / < 1.5 W @ 12 ÷ 24 VDC / < 1.5 W @ 230 VAC
Connectors types Screw terminal
DATALOGGER FUNCTION
Memory Type Flash: 256KB; E²PROM: 4KB; RAM: 16KB
Data Storage Capacity Internal F-RAM to ensure data storage even in case of power failure
ES INTERFACE
Ingressi 6 clean contacts - 2 for active and reactive energy used; 2 for active and reactive energy sold; 2 for tariff bands - 1 common
Response Time 80 ms
Maximum Working Voltage 500 VDC
Maximum Rated Current 1 A
Isolation 2000 VAC
ES INTERFACE OUTPUT
Channels 6 clean contacts - 2 for active and reactive energy used; 2 for active and reactive energy sold; 2 for tariff bands - 1 common
Maximum Rated Current 50 mA
Isolation 1 kV
RADIO MODULE
Supported Protocols X-Monitor Protocol (X-MP) / IEEE 802.15.4 / ZigBee™ Pro 2.0
Radio Frequency 2.4 GHz ISM Band
Output Power +3 ÷ +20 dBm
Sensitivity -104 dBm
Antenna Type RPSMA connector, 90° antenna supplied
Max Distance (Free Air) Over 1000 m
FUNCTIONALITY
Radio Signal Indicator Integrated (LinkQuality)
Output Power Adjustment From local keyboard and remotely
Firmware Upgrade Via radio
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