Bronkhorst Multibus Manual de usuario descargar pdf (Pagina 44)

BRONKHORST®

Page 44 Operational instructions for digital multibus instruments 9.17.023

11.2.3 LED indications using micro-switch at normal running mode of an instrument

When the switch is pressed-down both LED’s will be switched-off for function selection. As long as the switch will be

pressed-down, there will be a change in indication by the 2 LED’s after each 4 seconds. The moment the user

recognizes the indication (LED-pattern) for the function he wants, he must release the switch. Now the wanted

function is triggered.

LED

Time

Indication

Green

Red

off

0…1 sec

Pressing a switch shortly by accident will not cause unwanted reactions of instrument.

off

1…4 sec

In case of min/max alarm or counter batch reached:

Reset alarm (only if reset by keyboard has been enabled)

See specific field bus for more details.

FLOW-BUS

When address is occupied:

Automatic installation on FLOW-BUS.

PROFIBUS-DP / Modbus

Not used

DeviceNet (MBC-II)

Not used

DeviceNet (MBC3)

Not used

EtherCAT

Not used

off

4…8 sec

Reset instrument

Instrument program will be restarted and all warning and error message will be cleared.

During a start-up the instrument will perform a self-test

off

8…12 sec

Auto-zero

Instrument will be re-adjusted for measurement of zero-flow (not for pressure

meter/controller)

NOTE: First make sure there is no flow and instrument is connected to power for at

least 30 minutes!

12…16 sec

Set instrument in the FLASH mode

This mode will be indicated by both LED’s off when instrument is normally powered

11.2.4 LED indications using micro-switch at power-up situation

Here is described what the indications are for the functions to be performed at power-up situation of an instrument.

This can be realized by pressing the switch first and while pressing, connecting the power. These actions have a more

‘initializing’ character for the instrument.

LED

Time

Indication

Green

Red

off

0…4 sec

No action

Pressing a switch shortly by accident will not cause unwanted reactions of the

instrument.

off

normal flash

0.2 sec on,

0.2 sec off

4…8 sec

Restore parameters

All parameter settings (except field bus settings) will be restored to situation of

final test at BHT production.

normal flash

0.2 sec on,

0.2 sec off

off

8…12 sec

See specific field bus for more details.

FLOW-BUS

Auto install to bus Instrument will install itself

to a (new) free node-address on the FLOW-BUS.

PROFIBUS-DP / Modbus

Not used

DeviceNet (MBC-II)

Not used

DeviceNet (MBC3)

Not used

EtherCAT

Not used

normal flash

0.2 sec on,

0.2 sec off

normal flash

0.2 sec on,

0.2 sec off

12…16 sec

For MBC-II type of instruments, the default address will be set immediately.

The default address will be set after leaving this mode (approx. 60 sec)

See specific field bus for default installation address:

FLOW-BUS

Node-address = 0

PROFIBUS-DP

Station address = 126

DeviceNet (MBC-II)

MAC-ID = 63

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