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  3. CVM-BDM

Circutor CVM-BDM Modbus register map

3-phase supply network analyzer, Modbus RTU RS-485. FC03/04 read. Phase V/I/P/Q/PF per phase + 3-phase totals (s32, V×10/mA/W/var/PF×100) at addr 0-50. Line-to-line voltages at 52-58. Energy (+/-) kWh/kvarh at 62-74. THD+flicker at 106-128. Harmonics 1-15 I+V at 800-978. Relays via FC01/FC05 on -C2/-C420 variants.

  • Unofficial
  • 141 registers
  • Revision 2

Unofficial: Copied from an unofficial source and not tested. Read it as a draft and check a value on the real device before you rely on the rest. Check the map against the manufacturer's documentation before you write to a live device. Tested it? Report a test.

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
0-based

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

Map

Registers
141 holding registers
Revision
2
Added
()
File
maps/circutor/cvm-bdm.mbmap.json · 17 KB · history
SHA-256
659864ef35cd242045b47e061dd367e423819f91f5c7576c755bfde4f30066fa
Manufacturer
circutor.com

Sources and notes

Source: Omni Console device library (OmniCoreST), modbus-library/circutor-cvm-bdm.toml; Source: circutor-cvm-bdm-instruction-manual.pdf (section 12.3, pp. 47-51). Not verified against the manufacturer's documentation

  • Circutor CVM-BDM.
  • Converted automatically from the Omni Console device library (OmniCoreST).
  • Not verified against the manufacturer's documentation.
  • Corrections are welcome (CONTRIBUTING.md). Change x_status once this table has been checked against the manual.
  • | Circutor CVM-BDM — 3-Phase Supply Network Analyzer (Modbus RTU RS-485)
  • |
  • | Source: circutor-cvm-bdm-instruction-manual.pdf (section 12.3, pp. 47-51)
  • | Protocol: Modbus RTU, FC03/04 read, FC01 relay read, FC05 relay write, 8N1 default
  • | Baud: 1200/2400/4800/9600/19200 bps (configurable; default 9600/8N1)
  • | All MODBUS addresses are hexadecimal in source; converted to decimal here.
  • | All parameters are 32-bit "longs" (2 consecutive registers).
  • | Scaling: V×10, current in mA, Hz×10, PF×100, %×10 (THD/flicker/harmonics).
  • | Relay coil addresses (FC01 read, FC05 write): relay 1 = 0x0000, relay 2 = 0x0001.
  • | Models: CVM-BDM (base), CVM-BDM-C2 (+2 relays), CVM-BDM-C420 (+relay+AO), CVM-BDM-420 (+2 AO).
AreaAddressNameTypeAccessUnitScaleDescription
HR 0 int32 ABCD R
HR 2 int32 ABCD R
HR 4 int32 ABCD R
HR 6 int32 ABCD R
HR 8 int32 ABCD R
HR 10 int32 ABCD R
HR 12 int32 ABCD R
HR 14 int32 ABCD R
HR 16 int32 ABCD R
HR 18 int32 ABCD R
HR 20 int32 ABCD R
HR 22 int32 ABCD R
HR 24 int32 ABCD R
HR 26 int32 ABCD R
HR 28 int32 ABCD R
HR 30 int32 ABCD R
HR 32 int32 ABCD R
HR 34 int32 ABCD R
HR 36 int32 ABCD R
HR 38 int32 ABCD R
HR 40 int32 ABCD R
HR 42 int32 ABCD R
HR 44 int32 ABCD R
HR 46 int32 ABCD R
HR 48 int32 ABCD R
HR 50 int32 ABCD R
HR 52 int32 ABCD R
HR 54 int32 ABCD R
HR 56 int32 ABCD R
HR 58 int32 ABCD R
HR 60 uint32 ABCD R
HR 62 uint32 ABCD R
HR 64 uint32 ABCD R
HR 66 uint32 ABCD R
HR 68 uint32 ABCD R
HR 70 uint32 ABCD R
HR 72 uint32 ABCD R
HR 74 uint32 ABCD R
HR 104 int32 ABCD R
HR 106 int32 ABCD R
HR 108 int32 ABCD R
HR 110 int32 ABCD R
HR 112 int32 ABCD R
HR 114 int32 ABCD R
HR 116 int32 ABCD R
HR 118 int32 ABCD R
HR 120 int32 ABCD R
HR 122 int32 ABCD R
HR 124 int32 ABCD R
HR 126 int32 ABCD R
HR 128 int32 ABCD R
HR 800 int32 ABCD R
HR 802 int32 ABCD R
HR 804 int32 ABCD R
HR 806 int32 ABCD R
HR 808 int32 ABCD R
HR 810 int32 ABCD R
HR 812 int32 ABCD R
HR 814 int32 ABCD R
HR 816 int32 ABCD R
HR 818 int32 ABCD R
HR 820 int32 ABCD R
HR 822 int32 ABCD R
HR 824 int32 ABCD R
HR 826 int32 ABCD R
HR 828 int32 ABCD R
HR 830 int32 ABCD R
HR 832 int32 ABCD R
HR 834 int32 ABCD R
HR 836 int32 ABCD R
HR 838 int32 ABCD R
HR 840 int32 ABCD R
HR 842 int32 ABCD R
HR 844 int32 ABCD R
HR 846 int32 ABCD R
HR 848 int32 ABCD R
HR 850 int32 ABCD R
HR 852 int32 ABCD R
HR 854 int32 ABCD R
HR 856 int32 ABCD R
HR 858 int32 ABCD R
HR 860 int32 ABCD R
HR 862 int32 ABCD R
HR 864 int32 ABCD R
HR 866 int32 ABCD R
HR 868 int32 ABCD R
HR 870 int32 ABCD R
HR 872 int32 ABCD R
HR 874 int32 ABCD R
HR 876 int32 ABCD R
HR 878 int32 ABCD R
HR 880 int32 ABCD R
HR 882 int32 ABCD R
HR 884 int32 ABCD R
HR 886 int32 ABCD R
HR 888 int32 ABCD R
HR 890 int32 ABCD R
HR 892 int32 ABCD R
HR 894 int32 ABCD R
HR 896 int32 ABCD R

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