Bronkhorst IQ+FLOW (from 01-07-2013) Manual de usuario descargar pdf (Pagina 20)

Bronkhorst High-Tech B.V.

IQ+FLOW 9.17.04520

3.6.2

Basic measurement and control parameters

The list below provides the most basic parameters for digital communication with the instrument.

www

For more detailed information regarding operation parameters, see document nr. 9.17.023: Operational instructions

for digital instruments. http://www.bronkhorst.com/files/downloads/

manuals_english/917023_operation_instructions_digital_instruments.pdf

Measured Value (Measure)

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned int

0…41942

1/0

0x0020/33

The 'Measured Value' indicates the amount of mass flow or pressure metered by the instrument. The signal of 0...100% will be

presented in a range of 0...32000. The maximum measured value output is 131.07 %, which is: 41942. A floating point variable of

the measured value, 'Fmeasure', is also available in the capacity and capacity unit for which the instrument has been set, see

section 4

Setpoint

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned int

0…32000

1/1

0x0021/34

The 'Setpoint' is used to set the required mass flow rate or pressure for the controller. The signals have the same range as the

measured value, only the setpoint is limited between 0 and 100% (0…32000). A floating point variable of the setpoint, 'Fsetpoint', is

also available in the capacity and capacity unit for which the instrument has been set, see section 4.

3.6.3 Basic identification parameters

User Tag

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char[16]

115

113/6

0xF130…0xF136/61745…61751

The 'User Tag' parameter allows the user to give the instrument a custom tag name, with a maximum of 16 characters. It is advised

however to limit the user tag name up to 7 characters when using the Bronkhorst® E-7000 readout and control modules. These

modules can display the tag name of an instrument only up to 7 characters.

Customer Model

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char[16]

113/4

0xF120…0xF127/61729…61736

This parameter is used to add extra information to the model number information, such as a customer-specific model number.

Serial Number

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char[20]

113/3

0xF118…0xF11F/61721…61728

This parameter consists of a maximum 20-byte string with instrument serial number for identification, for example: 'M1111111A'.

BHT Model Number

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char[23]

113/2

0xF111…0xF117/61713…61719

This parameter shows the Bronkhorst® instrument model type information.

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 29 30

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