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MTA36 User Manual

-25-

Current input
Range

（

600

）

Resolution

1 mA

Impedance

≤20mΩ/phase

Consumption

≤0.2 VA /phase

Overload

Continuous

：

1.2In, Instantaneous

：

10In/5s

Communication interface
Physical interface

RS-485

LoRa

Baud rate

Up to 9600bps Up to 9600bps

Communication protocol

Modbus-RTU

Insulation voltage

2000 VAC (1
min)

Communication rate

1 km indoor

10 km outdoor

Electromagnetic compatibility
Electrostatic discharge immunity

Level IEC 61000-4-2-III

Radiated susceptibility

Level IEC 61000-4-3-III

Electrical fast transient pulse immunity

Level IEC 61000-4-4-IV

Shock (surge) noise immunity

Level IEC 61000-4-5-IV

Conducted interference noise immunity
of radio frequency field induced
conduction

Level IEC 61000-4-6-III

Power

frequency

magnetic

field

immunity

Level IEC 61000-4-8-III

Voltage sag and short interruption
immunity

Level IEC 61000-4-11-III

Содержание MTA36

Страница 1: ...MULTIFUNCTION POWER METER WITH LoRa COMUNICATION MTA36 USER MANUAL...

Страница 2: ...g device to ensure that everything is switched off and that no voltage is present in any part of the equipment Risk in the device The voltage of the auxiliary power supply is outside the nominal range...

Страница 3: ...this manual describes the configuration and start up of the equipment through the Saci software This software can be downloaded free from the Saci website www saci es To install it you only need to do...

Страница 4: ...4 Network quality 9 4 1 5 Demand 9 4 1 6 Max Min 10 4 1 7 Average values 10 4 1 8 Freezing Data 11 5 INSTALLATION 12 5 1 Dimensions 12 5 1 1 MTA36L 12 5 1 2 MTA36R 12 5 1 3 MTA36F 12 5 1 4 MTA36 IFLOR...

Страница 5: ...MTA36 User Manual 4 4 LoRa configuration 20 5 Module only for MTA36 IFLORA 22 7 TECHNICAL SPECIFICATIONS 24 7 1 MTA36 Meters 24 7 2 MTA36 IFLORA 26...

Страница 6: ...tions are concentrated and two auxiliary ones in three phase network s case that communicate the measurements to the main transformer Possibility of wireless communication through LoRa making installa...

Страница 7: ...ower meter with RS485 communications MTA36F3 Auxiliary transformer MTA36 IFLORA RS 485 LoRa communication module 4 MEASUREMENT Voltage Current Power Power factor Frequency Demand Energy Total harmonic...

Страница 8: ...ts of reactive energy measurement Metering of tariff energy CDU All energy values are calculated on the basis of the secondary value whose minimum resolution is 1WH of 1varh Whenever the device is con...

Страница 9: ...nt of four time zones at most There are two fully configurable tariff days that can be set for all 12 months of the year 4 1 3 Harmonics The instrument supports network harmonics 2 31st RMS value It a...

Страница 10: ...age is default set to 0 The phase angle of other types of signals is shown in relation to the A phase voltage unit It also measures the voltage deviation and frequency 4 1 5 Demand The instrument supp...

Страница 11: ...ues include three phase voltage line voltage frequency three phase current total and three phase active power total and three phase reactive power total apparent power and the total power factor It is...

Страница 12: ...reezing Data The device is capable of recording the active power of each phase and total and the active energy imported from each phase and total each a certain time which is adjustable by the user th...

Страница 13: ...12 5 INSTALLATION 5 1 Dimensions 5 1 1 MTA36L 5 1 2 MTA36R 5 1 3 MTA36F The length of the cable connecting the MTA36F with the communication cable is 1m 36 92 64 6 18 5 71 20 92 64 6 18 5 71 13 36 36...

Страница 14: ...the N line to the Un wiring hole Use the insulated piercing connector for that 2 Open the puncture transformer and connect the transformer to the cable and close the transformer and tighten screws Ma...

Страница 15: ...ing screws Use the insulated piercing connector for that 2 Open the puncture transformer and connect the MTA36L3 to the L2 phase cable and close the transformer and tighten screws Make sure that the c...

Страница 16: ...prevent electric shock If the cable diameter is small the cable can be fixed with a tie 5 2 3 Communication module assembly To ensure proper operation of the device please avoid placing it near high...

Страница 17: ...MTA36 User Manual 16 Diagram connexion RS485 USB interface available for connection to PC...

Страница 18: ...entity by default all the instruments have the identity 1 When connected to the RS485 model it can be connected via a COM port or via TCP IP In this case you must enter the IP address and port Once co...

Страница 19: ...ent to the energy accumulated during the period of time divided by the length of the period The current demand is calculated using the arithmetic integration of the rms current values over a period of...

Страница 20: ...ow TAB POSITION MODBUS IDENTITY 0 User defined 1 2 2 1 3 3 4 8 5 10 6 9 7 11 8 4 9 6 A 5 B 7 C 12 D 14 E 13 F 0 To change the identity of the 0 position it is necessary to write it from position F To...

Страница 21: ...MHz The frequency in MHz of each of the different channels is shown To configure a channel in the instrument you must place the tab at the top of the device on the number of the channel you want to co...

Страница 22: ...872 91 7 125 4800 125 4 3 874 43 7 125 4800 125 5 4 875 95 7 250 9600 122 6 5 877 48 7 250 9600 122 7 6 878 86 7 250 9600 122 8 7 880 32 7 250 9600 122 9 8 884 87 8 125 2400 128 10 9 883 41 8 125 2400...

Страница 23: ...0 9600 122 6 5 926 48 7 250 9600 122 7 6 927 86 7 250 9600 122 8 7 929 32 7 250 9600 122 9 8 930 87 8 125 2400 128 10 9 932 41 8 125 2400 128 11 A 933 97 8 125 2400 128 12 B 935 58 8 125 2400 128 13 C...

Страница 24: ...indicates the number of bits used to encode a symbol The higher the SS the lower the transfer rate but the higher the immunity to interference A table of the default channel settings is shown below C...

Страница 25: ...itions Storage temperature 25 C 70 C Relative humidity 95 RH non condensing Working altitude 2500m Antifouling level No corrosion gas Protection grade Panel IP54 case IP20 Insulation Resistance of the...

Страница 26: ...ommunication rate 1 km indoor 10 km outdoor Electromagnetic compatibility Electrostatic discharge immunity Level IEC 61000 4 2 III Radiated susceptibility Level IEC 61000 4 3 III Electrical fast trans...

Страница 27: ...er 17 6dBm 100mW Receiving sensitivity 139dBm 0 81Kbps RS485 interface Communication method Semi duplex Baud rate 2400 19200bps defaulted as 9600bps Data format n81 Power supply Voltage range AC DC 80...

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