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  3. ION7400

Schneider Electric ION7400 Modbus register map

Also covers Powerlogic ION7400

Power quality meter

  • Official
  • 2,976 registers
  • Revision 3 · 2026-10-18

Official: Written from the manufacturer's documentation, but not tested on a device yet. Check the map against the manufacturer's documentation before you write to a live device. Tested it? Report a test.

Download .mbmap.json Raw JSON View on GitHub Suggest a correction Report a problem

Communication

Protocol
Modbus TCP and RTUdefault
Unit ID
1default
TCP port
502default
Serial
9600 8E1 · 9600 baud, 8 data bits, even parity, 1 stop bit defaults
Byte / word order
ABCD · bytes big-endian, words high first
Addresses
1-based · wire address = address − 1

Connection values are defaults: the device may be configured differently.

Map

Registers
2976 holding registers
Groups
12
Revision
3 · 2026-10-18
Added
()
File
maps/schneider-electric/powerlogic-ion7400.mbmap.json · 572 KB · history
SHA-256
634128768ad4527cc919f8b0ccf7928166aeeadba71a59fa1cc419eb0c9b6fe4
Manufacturer
se.com

Sources and notes

Source: Schneider Electric, ION7400 Modbus map (ION7400_Modbus_Map.xlsx), sheet Detailed Modbus Map

  • Addresses are the register numbers of the Modbus map (Modicon numbering, 1-based): the address on the wire is the register number minus 1.
  • The list is the default Modbus map of the ION7400. Most quantities can be remapped with data mapping modules, and the 52001-59999 range holds the external control, data recorder, enumerated and numeric registers of the device's own configuration.
  • The register list does not state the order of the two registers of a 32-bit value; this map assumes most significant register first. If the values look wrong on a device, try little word order.
  • Registers marked N/A in the list, and the status bitmaps of more than one register, are given as one 32-bit value.
  • The list applies to firmware 001.002.14 of the ION7400; check the firmware of the meter before relying on registers added later.
AreaAddressNameTypeAccessUnitScaleDescription
HR 30 string[20] R
HR 50 string[20] R
HR 1717 string[6] R
HR 1837 uint16 R
HR 1838 uint16 R
HR 1839 uint16 R d
HR 1840 uint16 R h
HR 1841 uint16 R min
HR 1842 uint16 R s
HR 1844 uint16 R
HR 1845 uint64 ABCD R DATETIME, 4 registers (IEC 870-5-4)
HR 2400 uint32 ABCD R
HR 2402 uint32 ABCD R
HR 2420 uint32 ABCD R
HR 2550 uint32 ABCD R
HR 2552 uint32 ABCD R
HR 2554 uint32 ABCD R
HR 2556 uint32 ABCD R
HR 2566 uint32 ABCD R
HR 2568 uint32 ABCD R
HR 2570 uint32 ABCD R
HR 2572 uint32 ABCD R
HR 2700 float32 ABCD R kWh
HR 2702 float32 ABCD R kWh
HR 2704 float32 ABCD R kWh
HR 2706 float32 ABCD R kWh
HR 2708 float32 ABCD R kvarh
HR 2710 float32 ABCD R kvarh
HR 2712 float32 ABCD R kvarh
HR 2714 float32 ABCD R kvarh
HR 2716 float32 ABCD R kVAh
HR 2718 float32 ABCD R kVAh
HR 2720 float32 ABCD R kVAh
HR 2722 float32 ABCD R kVAh
HR 2724 float32 ABCD R kWh
HR 2726 float32 ABCD R kWh
HR 2728 float32 ABCD R kWh
HR 2730 float32 ABCD R kWh
HR 2732 float32 ABCD R kvarh
HR 2734 float32 ABCD R kvarh
HR 2736 float32 ABCD R kvarh
HR 2738 float32 ABCD R kvarh
HR 2740 float32 ABCD R kVAh
HR 2742 float32 ABCD R kVAh
HR 2744 float32 ABCD R kVAh
HR 2746 float32 ABCD R kVAh
HR 2748 float32 ABCD R kWh
HR 2750 float32 ABCD R kWh
HR 2754 float32 ABCD R kWh
HR 2756 float32 ABCD R kvarh
HR 2758 float32 ABCD R kvarh
HR 2762 float32 ABCD R kvarh
HR 2768 float32 ABCD R kVAh
HR 2772 float32 ABCD R kWh
HR 2774 float32 ABCD R kWh
HR 2776 float32 ABCD R kWh
HR 2778 float32 ABCD R kvarh
HR 2780 float32 ABCD R kvarh
HR 2782 float32 ABCD R kvarh
HR 2784 float32 ABCD R kVAh
HR 2786 float32 ABCD R kWh
HR 2788 float32 ABCD R kWh
HR 2790 float32 ABCD R kWh
HR 2792 float32 ABCD R kvarh
HR 2794 float32 ABCD R kvarh
HR 2796 float32 ABCD R kvarh
HR 2798 float32 ABCD R kVAh
HR 2800 float32 ABCD R kWh
HR 2802 float32 ABCD R kWh
HR 2804 float32 ABCD R kvarh
HR 2806 float32 ABCD R kvarh
HR 2808 float32 ABCD R kVAh
HR 2810 float32 ABCD R kVAh
HR 2830 float32 ABCD R
HR 2832 float32 ABCD R
HR 2834 float32 ABCD R
HR 2836 float32 ABCD R
HR 2838 float32 ABCD R
HR 3000 float32 ABCD R A
HR 3002 float32 ABCD R A
HR 3004 float32 ABCD R A
HR 3006 float32 ABCD R A
HR 3008 float32 ABCD R A
HR 3010 float32 ABCD R A
HR 3018 float32 ABCD R
HR 3020 float32 ABCD R V
HR 3022 float32 ABCD R V
HR 3024 float32 ABCD R V
HR 3026 float32 ABCD R V
HR 3028 float32 ABCD R V
HR 3030 float32 ABCD R V
HR 3032 float32 ABCD R V
HR 3036 float32 ABCD R V
HR 3052 float32 ABCD R
HR 3054 float32 ABCD R W
HR 3056 float32 ABCD R W
HR 3058 float32 ABCD R W
HR 3060 float32 ABCD R W
HR 3062 float32 ABCD R var
HR 3064 float32 ABCD R var

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