Bronkhorst IQ+FLOW (from 01-07-2013) Manual de usuario descargar pdf (Pagina 28)

Bronkhorst High-Tech B.V.

IQ+FLOW 9.17.04528

Value zero will be indicated by a period of 1 sec off (0.5 sec off + 0,5 sec off).

When value zero is wanted, press switch shortly and release it again within 1 sec.

Before each action of flash-counting, the LEDs to be used for counting will flash in a high frequency.

(Pattern: 0.1 sec on, 0.1 sec off). As soon as the switch is pressed-down, this LED (or both LEDs) will be off and the

counting sequence will start.

Changing node address, baud rate or parity in 'Configuration Mode' or in normal mode

The procedure for changing the baud rate, node address or parity for a FLOW-BUS or Modbus configuration over RS485 is described

in Section 3.5.3 (single-channel versions only). In the list below the selectable bus parameters with corresponding values are

presented.

When changing any of the parameters below in normal running/operation mode the communication with the

instrument may be lost. After a restart the instrument is available for communication on the newly selected

parameters. When in doubt activate the 'Configuration Mode' (38k4 and RS232 FLOW-BUS (Propar)) using the

micro-switch.

Fieldbus 2 selection

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char

0…3

308

124/8

0xFC40/64577

This parameter sets the fieldbus type. Parameter value 0 = FLOW-BUS, 1 = Modbus RTU, 2 = Propar, 3 = Modbus ASCII

Fieldbus 2 address

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char

0...255

309

124/10

0xFC50/64593

Set the node address at any of the allowed values listed in the table in Section 3.5.3, e.g. '3'.

Fieldbus 2 baud rate

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char

0...1E+10

310

124/9

0xFC48...0xFC49/64585...64586

Set the baud rate at any of the allowed values listed in table in section Section 3.5.3, e.g. '19200'.

Fieldbus 2 medium

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char

0...1

311

124/11

0xFC58/64601

Select the communication medium. Parameter value 0 = RS232, 1 = RS485

Fieldbus 2 parity

Type

Access

Range

FlowDDE

FLOW-BUS

Modbus

Unsigned char

0...2

336

124/12

0xFC60/64609

Set the parity for Modbus communication. Parameter value 0 = None, 1 = Odd, 2 = Even.

1 2 ... 23 24 25 26 27 28 29 30

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Bronkhorst IQ+FLOW (from 01-07-2013) Manual de usuario Pagina 28

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