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A-400 Manual

Programming  and installation Brochure for 

A-400P

A-400M

A-400MB 

&

 A-400MT

MID Approved (SGS.UK) Appendix B and D
Measures kWh, KVArh, KVar,PF,Hz, Max demand
RS 485 Modbus (Autometers V6 protocol)
Two Pulse Outputs
BI- Directional Measurement for Import and Export
Back light LCD for full viewing Angles
Available as 1 Phase 2 Wire, 3 Phase 3 Wire and 3 Phase 4 Wire

Summary of Contents for A-400 Series

Page 1: ...T MID Approved SGS UK Appendix B and D Measures kWh KVArh KVar PF Hz Max demand RS 485 Modbus Autometers V6 protocol Two Pulse Outputs BI Directional Measurement for Import and Export Back light LCD for full viewing Angles Available as 1 Phase 2 Wire 3 Phase 3 Wire and 3 Phase 4 Wire ...

Page 2: ...of the meter The meters can also be supplied with different communication outputs Modbus RS 485 MBus or two individual Pulse outputs one programmable Declaration of Conformity We Autometers Systems Ltd 4B Albany Road Manchester M21 0AW UK ensure and declare that apparatus Energy Meter A 400P A 400M A 400MB A 400MT with the measurement range 3x230 400V 0 25 5 45 A 50Hz are in conformity with the typ...

Page 3: ... monitoring and controlling the Unit screens are provided for setting up the RS485 port Set up screens are provided for setting up the M Bus port 1 4 Pulse output Two pulse outputs that pulse measured active and reactive energy The constant of pulse output 2 for active energy is 400imp kWh unconfigurable its width is fixed at 100ms The default constant of configurable pulse output 1 is 400imp kWh def...

Page 4: ... display active energy measurements www autometers co uk 3 3 Keys and Displays 3 1 Button Functions Click Selects the Voltage and Current display screens In Set up Mode this is the Left or Back button Select the Frequency and Power factor display screens In Set up Mode this is the Up button Select the Power display screens In Set up Mode this is the Down button Select the Energy display screens In...

Page 5: ...uccessive press of the button selects a new range Phase to neutral voltages Current on each phase Phase to neutral voltage THD of 2nd to 19th Each phase Current THD of 2nd to 19th Frequency and Power Factor total Power Factor of each phase Maximum Power Demand Maximum Current Demand Instantaneous Active Power in kW Instantaneous Reactive Power in kVAr Instantaneous Volt Amps in KVA Total kW kVArh ...

Page 6: ...n 2000 default For A 400MT only Time Hour minute second Example 00 02 16 For A 400MT only Tariff 1 active energy Tariff 2 active energy Tariff 3 active energy Tariff 4 active energy For A 400MT only Imported reactive energy in kVArh Exported reactive energy in kVArh Tariff 1 reactive energy Tariff 2 reactive energy Tariff 3 reactive energy Tariff 4 reactive energy For A 400MT only The parameters of date a...

Page 7: ...ther menu selection On completion of all setting up press repeatedly until the measurement screen is restored The current digit to be set flashes and is set using the and buttons Press to confirm each digit setting The SET indicator appears after the last digit has been set After setting the last digit press to exit the number setting routine The SET indicator will be removed Setting up is password ...

Page 8: ...pear Press to exit the DIT selection routine and return to the menu Use and to set the first digit and press to confirm your selection The next digit will flash Repeat the procedure for the remaining three digits After setting the last digit SET will show Press to exit the number setting routine and return to the set up menu SET will be removed www autometers co uk 7 This sets the period in minutes o...

Page 9: ...er pulse Use and buttons to choose pulse rate On completion of the entry procedure press to confirm the setting and press to return to the main set up menu Press to enter the selection routine The unit symbol will flash Use and buttons to choose kWh or kVArh On completion of the entry procedure press to confirm the setting and press to return to the main set up menu 4 5 Supply System The unit has a d...

Page 10: ... Use and buttons to choose pulse rate On completion of the entry procedure press to confirm the setting and press to return to the main set up menu 4 6 2 Pulse Duration 4 7 Communication The pulse width can be selected as 200 non MID version meters only 100 default or 60ms Where the meter has been supplied with a Rs 485 protocol output the individual parameters are set by using the front key panel ...

Page 11: ...ity 4 7 5 Stop Bits From the set up menu use and buttons to select the Baud Rate option Press to enter the selection routine The current setting will flash From the set up menu use and buttons to select the Parity option Press to enter the selection routine The current setting will flash Press to enter the selection routine The current setting will flash From the set up menu use and buttons to select...

Page 12: ...ed Exported reactive energy Total active energy Total reactive energy 5 2 Measured Inputs 2 Voltage inputs through 4 way fixed connector with 25mm stranded wire capacity single phase two wire 1 p2w three phase three wire 3p3w or three phase four wire 3p4w unbalanced Line frequency measured from L 1 voltage or L3 voltage 5 3 Interfaces for External Monitoring Three interfaces are provided RS 485 com...

Page 13: ...D Response time to step input 5 5 Reference Conditions of Influence Quantities Influence Quantities are variables that affect measurement errors to a minor degree Accuracy is verified under nominal value within the specified tolerance of these conditions Ambient temperature Input waveform Input waveform 5 6 Environment Operating temperature Storage temperature Relative humidity Altitude Warm up time Vi...

Page 14: ...ormation before attempting installation or other procedures Symbols used in this document Risk of Danger These instructions contain important safety information Read them before starting installation or servicing of the equipment Caution Risk of Electric Shock 7 Wiring Diagrams www autometers co uk 13 72 x 100 mm WxH per DIN 43880 DIN rail DIN 43880 Ip51 indoor Self extinguishing Ul94 V 0 B TX A T...

Page 15: ...L1 L2 L3 N 1 2 3 4 5 6 7 8 L1 L2 L3 L1 L2 L3 1 2 3 4 5 6 7 8 L1 N L1 N 1 2 3 4 5 6 7 8 L1 L2 L3 L1 L2 L3 1 2 3 4 5 6 7 8 L1 N L1 N 1 2 3 4 5 6 7 8 The A 400 can be supplied with two wiring configurations Mains entering at the top load at the bottom see fig A or mains entering at the bottom load at the top see fig B MAINS LOAD MAINS LOAD Fig A Mains at the top Fig B Mains at the bottom ...

Page 16: ...tice Products as delivered may therefor differ from the descriptions and illustrations in this publication VOLTAGE 3X230 400V CURRENT 0 25 5 6 A FREQUENCY 50Hz COMMS RS 485 Modbus RTU BAUDRATE 2400 38400BPS INSTALLATION CAT III IC 1095 www autometers co uk Communications shield continuous Communications Shield Belden 9841 or Equal Cable Screened Twisted pair with full Coax shielding for RS 485 Modb...

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