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Modbus Database Description

Address

Modbus Register

Description

Access

Persistence

Group

6678

6679

6680

Firmware version

Firmware version (composed of 3 bytes):

1st byte: major version

2nd byte: minor version

3rd byte: revision version

Read

YES

Configuration

6681

First power up

Represents the first power up event.

After this event the value is 0xCF.

Read

YES

Configuration

6682

Calibration error

Represents the number of times a stroke error has occurred down the minimum allowed.

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6683

Calibration error

Represents the number of times a stroke error has occurred up the maximum allowed.

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6684

Low voltage anomaly

Represents the number of times a low voltage event has occurred.

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6685

High voltage anomaly

Represents the number of times a high voltage event has occurred.

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6686

Unexpected stalls within the stroke

Represents the number of times a stall has occurred within the stroke.

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6687

Extra stroke in normal operation

Represents the number of times that an extra stroke error has occurred compared to that calculated during the calibration phase (stroke out of range).

Range 0-254

Read/

Write

YES

Diagnostic/

Alarms

6688


Actuator stroke

Identifies the value read by the actuator after the calibration phase.

It is possible to set the stroke value but requires restarting the actuator.

The value must be stored multiplied by 10.

Range 20-120 (2-12mm)

Read/

Write

YES

Configuration

6689




Actuator setting




Direct/reverse action setting. (default: direct action (bit0=1))

Read/

Write


YES


Configuration


Emergency return direction selection (up or down). (default: down (bit1=1))

Fixed stroke (default: fixed stroke not enabled (bit2=1)

6690

Actuator speed

Allows you to set the speed of the actuator (207 = 5 s/mm o 140 = 3 s/mm).

(default: 207 = 5 s/mm)

Read/

Write

YES

Configuration

6691

LIBRA valve type configuration

By selecting the type of PICV LIBRA valve, the stroke value is automatically set to 4 mm and reverse action.

(default: 0 =  NO PICV)

Read/

Write

YES

Configuration

6692

Characteristic configuration of the valve (β)

It represents the characteristic of the  valve (β=0 linear valve, β=1 equal percentage valve).

(default: 0 = linear)

Read/

Write

YES

Configuration

6693

Baud rate

Represents the communication speed of the Modbus protocol (9600, 19200).

(default: 9600)

Read/

Write

YES

Configuration

6694

Parity bit and stop bit

2 least significant bits (bits 0 and 1): parity bit (0 = none, 1 = even, 2 = odd)

bit 4: stop bit (0 = 1 stop bit, 1 = 2 stop bit)

(default: 16 = none and 2 stop bits)

Read/

Write

YES

Configuration

6146

Opening phase

It is the number of times the actuator has been in the total opening position

Range 0-65279

Read

YES

Diagnostic/

Alarms

6147

Closing phase

It is the number of times the actuator has been in the total closing position.

Range 0-65279

Read

YES

Diagnostic/

Alarms

8840

Actuator control

Represents the percentage of control of the actuator (by setting a value between 0 and 100% it allows to drive the motor in any position).

Range 0-100%

Read/

Write

NO

Input/

Output

8841

Actuator operating status

Represents the current operating status of the actuator (based on the status of the LEDs).

Range 0-16

Read

NO

Diagnostic/

Alarms

8842

Reset actuator

Allows you to perform a software reset of the actuator.

Writing 1 performs a reset.

(default: 0 = no reset)

Read/

Write

NO

Configuration

8843

Actuator calibration

Forcing calibration phase (Generic valve) or initial positioning (PICV valve)

Read/

Write

NO

Configuration

8288

Valve position (feeback)

Represents the position of the actuator.

(0-1000 normal function,

1100 emergency return,

1200 calibration)

(divide by 10 to have % value)

Read

NO

Input/

Output

8289

Valve flow rate

In the case of selection of the PICV, it represents the percentage flow rate value (the value of the feedback register is not available).

Range 0-1000 (divide by 10 to have % value)

Read

NO

Input/

Output