Yokogawa ADMAG AXF - Manual (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
0
0
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
1
2
Return to “Online Menu” with HOME (F3).
Return to “Main Menu” with a “previous” key.
Select “Utility”.
Select “Configure Communication”.
Select “Polling”.
F3
(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
F4
(ENTER)
‘1’
F2
(SEND)
3
JLK
4
HART Communicator
1 Offline
2 Online
3 Frequency Device
4 Utility
HELP SEND HOME ENTER
4 HART Communicator
Utility
1 Configure Communic
2 system Information
3 Listen for PC
4 Storage Location
5 Simulation
HELP SEND HOME ENTER
5 HART Communicator
Configure Communicat
1 Polling
2 Contrast
3 Off Time
4 Ignore diagnostics
HELP SEND HOME ENTER