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ModBUS Pulse Counter for Fiscal Energy Meters with integrated Pulse Repeater

The KET-MES-610 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meters, equipped with 6 digital inputs with signal repeater for clean contacts: 2 for active and reactive energy withdrawn; 2 for active and reactive energy injected; 2 for tariff bands.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 an RS485 interface with ModBUS RTU protocol compatible with KET-RMB-211 ModBUS bridge/Master and X-Monitor Gateways.

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KET-MES-610 allows the input of K and C factors for the withdrawn counter and for the grid feed counter, in this way it calculates in real time the kWh of active and reactive energy and the instantaneous powers for each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if the relative contacts of the F1, F2 and F3 bands are active, it sums up on three distinct counters the active energy withdrawn.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-610 the ideal instrument for UVAC, UVAP and UVAM systems for the MSD.


Protection Range Front: IP40; Screw Terminals: IP20
Operative Temperature -20 ÷ +60 °C
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
Material Blend PC/ABS self extinguishing UL94-VO
Supply Voltage 9 ÷ 24 VDC, 9 ÷ 20 VAC; 230 VAC with integrated power supply
Consumption < 1.5 W @ 9 ÷ 20 VAC / < 1.5 W @ 9 ÷ 24 VDC / < 1.5 W @ 230 VAC
Connectors types Screw terminal
Memory Type Flash: 256KB; E²PROM: 4KB; RAM: 16KB
Data Storage Capacity Internal F-RAM to ensure data storage even in case of power failure
Supported Protocols ModBUS RTU
Connectors types Screw terminal
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
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
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