Pact Series ComPact NSX – Modbus Communication – User Guide PDF
DOCA0091EN-08

Measurement Configuration Commands

Set Up ENVT Presence

The user can read the ENVT (External Neutral Voltage Tap) presence parameters at register 3314 System Type.

To set up ENVT presence, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

46472

E

Command code = 46472

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

–

INT16U

0–1

E

0 = ENVT is not present.

1 = ENVT is present.

Reset Minimum/Maximum

The reset minimum/maximum command resets the minimum values of real-time measurements (registers 1300 to 1599) and the maximum values of real-time measurements (registers 1600 to 1899) Minimum/Maximum Values of Real-Time Measurements.

The reset minimum/maximum command resets the energy measurements (registers 2000 to 2025) Energy Measurements.

The reset minimum/maximum command resets the peak demand measurements (registers 2200 to 2237) Demand Measurements.

The user can read the minimum and maximum values of current, voltage, and frequency measurements and the corresponding dates from register 29780 to 29827 Minimum/Maximum V12 Voltage Measurements.

The user can read the dates of the reset minimum/maximum command from register 2900 to 2929 Minimum/Maximum Measurements Reset Time.

To reset minimum/maximum values of measurements, the user must set up the command registers the following way:

Address

Register

Type

Range

A/E

Bit

Description

0x1F3F

8000

INT16U

46728

–

–

Command code = 46728

0x1F40

8001

INT16U

12

–

–

Number of parameters (bytes) = 12

0x1F41

8002

INT16U

5121

–

–

Destination = 5121 (0x1401)

0x1F42

8003

INT16U

1

–

–

Security type of the command

0x1F43–

0x1F44

8004–

8005

OCTET STRING

–

–

–

Password of the command: Administrator or Operator user profile password

0x1F45

8006

INT16U

–

–

–

Reset minimum/maximum of metering variables:

  • To reset the metering variable, set the bit to 1.

  • To keep the current values, set the bit to 0.

A/E

0

Reset minimum/maximum current (I1, I2, I3, IN, Imax, Ig, IΔn, Iavg, and Iunbal)

E

1

Reset minimum/maximum voltage (V12, V13, V23, V1N, V2N, V3N, VavgL-L, VavgL-N, and Vunbal)

E

2

Reset minimum/maximum power (active power, reactive power, apparent power, and distortion power)

E

3

Reset minimum/maximum power factor and cosϕ

E

4

Reset minimum/maximum total harmonic distortion (THD)

E

5

Reset peak of current demand

E

6

Reset peak of active power, reactive power, and apparent power demand

E

7

Reset minimum/maximum frequency

E

8

Reset minimum/maximum thermal image (motor application only)

E

9

Reset energy (active, reactive, apparent)

–

10–15

Reserved

Start/Stop Synchronization

The start/stop synchronization command is used to start or stop the calculation of the current or power demand. The first command starts the calculation, the next command updates the value of current or power demand, and then restarts the calculation. The time period between 2 commands must be less than 1 hour.

To start/stop synchronization, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

46729

E

Command code = 46729

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator or Operator user profile password

0x1F45

8006

–

–

INT16U

–

E

Start/stop synchronization = 1

Power Flow Sign Configuration

The user can read the power flow sign configuration at register 3316 Power Flow Sign.

To set the power flow sign parameters, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47240

E

Command code = 47240

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

–

INT16U

0–1

E

Power flow sign:

0 = the active power flows from upstream (top) to downstream (bottom) (factory setting).

1 = the active power flows from downstream (bottom) to upstream (top).
NOTE: The setting of the power flow sign can reset the content of the energy measurement registers excluding the cumulative energy measurements.

Power Factor Sign Configuration

The user can read the power factor sign configuration at register 3318 Power Factor Sign.

To set the power factor sign parameters, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47241

E

Command code = 47241

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

–

INT16U

0–2

E

Sign convention for the power factor and the fundamental power factor (cosϕ):

0 = IEC convention

2 = IEEE convention (factory setting)

Energy Accumulation Mode Configuration

The user can read the energy accumulation mode configuration at register 3324 Energy Accumulation Mode.

To set the energy accumulation mode parameters, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47242

E

Command code = 47242

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

–

INT16U

0–1

E

Energy accumulation mode:

0 = absolute accumulation (factory setting)

1 = signed accumulation

Current Demand Configuration

The user can read the duration of the current demand calculation window at register 3352 Demand Time.

The user can read the current demand parameters from register 2200 to 2207 Current Demand.

To start current demand, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47243

E

Command code = 47243

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

Min

INT16U

5–60

E

Duration of the current demand calculation window, adjustable in step of 1.

The factory setting is 15 minutes (sliding).

Power Demand Configuration

The user can read the power demand calculation method from register 3354 to 3355 Demand Time.

The user can read the power demand parameters from register 2224 to 2237 Active Power Demand.

To start power demand, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47244

E

Command code = 47244

0x1F40

8001

–

–

INT16U

14

E

Number of parameters (bytes) = 14

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

Min

INT16U

0–5

E

Power demand calculation method (window type):

0 = sliding

2 = fixed

5 = synchronized to communication

The factory setting is 0 (sliding).

0x1F46

8007

–

Min

INT16U

5–60

E

Duration of the power demand calculation window, adjustable in step of 1.

The factory setting is 15 minutes.

Set Up Nominal Voltage Vn Display

The user can read the nominal voltage at register 9616 Nominal Voltage.

To set the nominal voltage Vn display parameters, the user must set up the command registers the following way:

Address

Register

X

Unit

Type

Range

A/E

Description

0x1F3F

8000

–

–

INT16U

47245

E

Command code = 47245

0x1F40

8001

–

–

INT16U

12

E

Number of parameters (bytes) = 12

0x1F41

8002

–

–

INT16U

5121

E

Destination = 5121 (0x1401)

0x1F42

8003

–

–

INT16U

1

E

Security type of the command

0x1F43–

0x1F44

8004–

8005

–

–

OCTET STRING

–

E

Password of the command: Administrator user profile password

0x1F45

8006

–

V

INT16U

0–65535

E

Nominal voltage Vn (factory setting = 400 V)
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