Yokogawa ADMAG AXF Manuel d'utilisateur télécharger pdf (Page 72)

IM 1E10C1-E

7-22

7. OPERATION VIA HART COMMUNICATOR

(8) Multidrop Mode

Field devices in multidrop mode refer to the connection of several field devices on a

communication single line. Up to 15 field devices can be connected when set in the

multidrop mode. To activate multidrop communication, the field device address must be

changed to a number from 1 to 15. This change deactivates the 4 to 20 mA output and

turns it 4 mA. Refer to Fig. 7.1.2 for the load resistance.

Setting of Multidrop Mode

1. Device setup 4. Detailed setup 4. Outputs 3. HART output 1. Poll addr

ADMAG SE :

Poll addr

HELP DEL ESC ENTER

Set the polling address (a number from 1 to 15) and press

ENTER (F4).

Then, press SEND (F2) to send the data.

Call up “Poll addr” display.

HART output Online Menu Main Menu 4. Utility 1. Configure Communication

1. Polling

ADMAG SE :

HART output

1 Poll addr 1

2 Num req preams 5

3 Burst mode On

4 Burst option PV

HELP SAVE HOME ENTER

Return to “Online Menu” with HOME (F3).

Return to “Main Menu” with a “previous” key.

Select “Utility”.

Select “Configure Communication”.

Select “Polling”.

(HOME)

Call up “Auto Poll” display.

ADMAG SE :

Online

1 Device setup

2 PV 20Cum/h

3 PV AO 20mA

4 Span 20Cum/h

HELP SAVE HOME ENTER

(ENTER)

‘1’

(SEND)

JLK

HART Communicator

1 Offline

2 Online

3 Frequency Device

4 Utility

HELP SEND HOME ENTER

HART Communicator

Utility

1 Configure Communic

2 system Information

3 Listen for PC

4 Storage Location

5 Simulation

HELP SEND HOME ENTER

HART Communicator

Configure Communicat

1 Polling

2 Contrast

3 Off Time

4 Ignore diagnostics

HELP SEND HOME ENTER

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 106 107

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Yokogawa ADMAG AXF Manuel d'utilisateur Page 72

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