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Autometers Systems A-400 Series Programming And Installation Brochure

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 w
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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

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Summary of Contents for Autometers Systems A-400 Series

  • Page 1 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...

  • Page 2: Declaration Of Conformity

    Declaration of Modbus RS 485, MBus or two individual Pulse outputs one programmable. 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...

  • Page 3: Unit Characteristics

    1. Unit Characteristics 1.1 Unit Characteristics: The A-400 series meters have four models: A-400M, A-400MT, A-400MB, A-400P Model Measurement Output Tariff A-400P kWh/kVarh,kW/kVar,kVA, P,F,PF,dmd, V,A, TH D,etc. pulse A-400M kWh/kVarh,kW/k.Var,kVA, P,F,PF,dmd, V,A, TH D,etc. pulse/Modbus A-400MB kWh/kVarh,kW/kVaAr,kVA, P,F,PF,dmd, V,A, TH D,etc.

  • Page 4: Start Up Screens

    2． Start up screens The first screen The second screen The unit performs a After a short delay, lights all LED indicates the self-test and the the screen will segments and can software version of screen indicates if display active be used as a the unit.

  • Page 5: Voltage And Current

    3.2 Voltage and Current Each successive press of the button selects a new parameter: 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. 3.3 Frequency and Power Factor and Demand Each successive press of the button selects a new range: PF/HZ...

  • Page 6: Energy Measurements

    3.5 Energy Measurements Each successive press of the button selects a new range: Imported active energy in kWh. Exported active energy in kWh. Tariff 1 active energy Tariff 2 active energy Tariff 3 active energy Tariff 4 active energy *For A-400MT only Total active energy in kWh.

  • Page 7: Menu Option Selection

    4. Set Up To enter set-up mode, press the button for 3 seconds until the password screen appears. Setting up is password-protected so you must enter the correct password (default ‘1000’) before processing. If an incorrect password is entered, the display will show: PASS Err To exit set-up mode, press the button repeatedly until the measurement screen is restored.

  • Page 8: Change Password

    4.2 Change Password to choose the change password option. PF/HZ Press the button to enter the change password routine. The new password screen will appear with the first digit flashing. to set the first digit and press to confirm your PF/HZ selection.

  • Page 9: Supply System

    4.5 Supply System The unit has a default setting of 3Phase 4wire (3P4). Use this section to set the type of electrical system. From the set-up menu, use buttons to select the system PF/HZ option. The screen will show the currently selected power supply. Press to enter the selection routine.

  • Page 10: Pulse Duration

    4.6.2 Pulse Duration The pulse width can be selected as 200 (non-MID version meters only), 100 (default) or 60ms. (It shows pulse width of 200ms) From the set-up menu, use buttons to select the Pulse width PF/HZ option. Press to enter the selection routine. The current setting will flash. buttons to choose pulse rate.
  • Page 11 4.7.3 Baud Rate From the set-up menu, use buttons to select the Baud PF/HZ Rate option. Press to enter the selection routine. The current setting will flash. buttons to choose Baud rate 2.4k. 4.8k, 9.6k, 19.2k, PF/HZ 38.4k On completion of the entry procedure, press to confirm the setting and press to return to the main set up menu.

  • Page 12: Specification

    5. Specification 5.1 Measured Parameters The unit can monitor and display the following parameters of a single phase two wire(1p2w), three phase three wire(3p3w) or four phase four wire(3p4w) system. 5.1.1 Voltage and Current Phase to neutral voltages 100 to 289V a.c. (not for 3p3w supplies). Voltages between phases 173 to 500V a.c.
  • Page 13 5.3.2 RS485/Mbus Output for Modbus RTU *For A-400MT/-M For Modbus RTU, the following RS485 communication parameters can be configured from the set-up menu: Baud rate 2400, 4800, 9600, 19200, 38400 Parity none / odd / even Stop bits 1 or 2 RS485 network address nnn - 3-digit number, 001 to 247 *For A-400MB only For Mbus, the following communication parameters...

  • Page 14: Wiring Diagrams

    5.7 Mechanics DIN rail dimensions....72 x 100 mm (WxH) per DIN 43880 Mounting........DIN rail (DIN 43880) Sealing........Ip51 (indoor) Material........Self-extinguishing Ul94 V-0 6. Dimensions The meter is a 72mm x 94.5mm panel mounted meter with a depth of 65mm The cut out hole for the panel meter is 72mm x 94.5mm.
  • Page 15 7.2 Wiring Diagrams 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. Fig.A Mains at the top MAINS L1 L2 L3 N LOAD...
  • Page 16 The Horizon Energy Monitoring System With the New A-400 Series RS 485 Modbus Communication to enable full data retrieval of kWh for Graphic analysis and Billing to the next meter Communications Shield Communications shield continuous Belden 9841 or Equal Cable Screened...

This manual is also suitable for:

A-400mA-400mtA-400mbA-400p

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