Circutor CVM-A1000, Instruction Manual

Page: 243 / 378

6�3�10�5�- Measurement connection mode
This parameter occupies 1 register.
Table 50: Modbus memory map: Configuration variables (Measurement connection mode).
Measurement connection mode
Configuration variable Address Valid data window Default value
Measurement connection mode 2A9D
0 : Single-phase
1 : Two-phase
2 : Two-phase with Neutral
3 : Three-phase
4 : Three-phase with Neutral
5 : Aron
(37)
4
(37)
Connection mode not supported in the CVM-A1x00-FLEX version.
6�3�10�6�- Ratio of voltage and current transformers
These parameters occupy 2 registers each.
Table 51: Modbus memory map: Configuration variables (transformation ratios)
Transformation ratios
Configuration variable Address Valid data window Default value
Primary voltage
(38) (39)
2710-2711 1 - 500000 1
Secondary voltage
(38)(41)
2712-2713 1 - 9999 10
Primary current
(39)
2714-2715
CVM-A1x00-ITF model:
Minimum value: 1
Maximum value:
../1A y ../5 A: 10000
../ 0.250 A: 1500
5
CVM-A1x00-FLEX model: :
100 - 1000 - 10000 A
1000
Secondary current
(43)
2716-2717
1 : ../1A
5 : ../5 A
250 : ../ 0.250 A
5
Primary neutral current
(43)
2718-2719 1 - 10000 5
Secondary neutral current
(43)
271A-271B
0 : Calculated current
1 : ../1A
5 : ../5 A
5
Rated voltage
(40)
271C-271D
Minimum value:
(Rated Voltage / Voltage ratio
(42)
) ≥ 50
Maximum value:
(Rated Voltage / Voltage ratio
(42)
) ≤ 1000
230.00
(38)
Primary voltage/Secondary voltage must not exceed the value 9999.
(39)
Primary voltage * Primary current must not exceed the value 900MW.
(40)
It has 2 decimals.
(41)
The secondary voltage has 1 decimal.
(42)
The voltage ratio is the ratio between the primary and secondary voltage.
(43) Variables not available for the CVM-A1x00-FLEX model.
Note:
The 14 registers must be written at once (as a group), otherwise it will respond with an
error.
243
Instruction Manual
CVM-A1000 - CVM-A1500