4�10�3�8�
Device configuration variables�
All the Modbus map addresses are hexadecimal.
The
0x04
and
0x10 functions
are implemented for this variable.
The device’s Modbus function does not check whether the variables recorded are within the correct
margins, they are only checked when they are read from the EEPROM. So if any parameter is recorded
with an incorrect value the device will be configured with its default value.
The Modbus configuration will not take effect until the device is reset.
4�10�3�8�1�
Transformation ratios�
Table 28: Modbus memory map: Transformation ratios�
Transformation ratios
Configuration variable
(3) (4)
Address
Valid data margin
Default
value
Voltage primary
2710 - 2711
1 - 599999
1
Voltage secondary
2712
1 - 999
1
Current primary
2713
1 - 10000
5
Current secondary
2714
1:
.../1A
5:
../5 A
5
(3)
All variables must be programmed at the same time.
(4)
Voltage ratio x Current ratio < 600000.
Note:
The ratio is between the primary and the secondary.
4�10�3�8�2�
Neutral current transformation ratios (CVM-C10-ITF-IN and CVM-C10-MC-IN)�
Table 29: Modbus memory map: Neutral current transformation ratios�
Transformation ratios
Configuration variable
(5)
Address
Valid data margin
Default
value
Neutral current primary
271A
1 - 10000
5
Neutral current secondary
(6)
271B
1:
.../1A
5:
../5 A
5
(5)
All variables must be programmed at the same time.
(6)
This variable is only programmed for the
CVM-C10-ITF-IN
model.
4�10�3�8�3�
Number of quadrants
Table 30: Modbus memory map: Number of quadrants
Maximum demand
Configuration variable
Address
Valid data margin
Default
value
Number of quadrants
2B64
0:
4 quadrants
1:
2 quadrants
0
4�10�3�8�4� Measurement convention
Table 31: Modbus memory map: Measurement convention�
Measurement convention
Configuration variable
Address
Valid data margin
Default value
Measurement convention
2B86
0:
Circutor
1:
IEC
2:
IEEE
0
79
Instruction Manual
CVM-C10
