Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 129)

<9. OPERATION VIA HART CONFIGURATION TOOL (HART 7)>

9-10

IM 01E30D01-01EN

b) AcknowledgeEventNotication

Execute A

cknowledgeEventNotication

method.

1)Enter“theeventnumberwhichisconrmed

in a) 5” into “Enter Event Number”.

2) OK.

3) Set “Select Transaction” to “Trans 1 : Send

Acknowledge”.

4) OK.

5)Conrm“EvenStatus”is0x00.

(3) EventNoticationRecord(DTMonly)

• Procedure to call up the display

DTM [Root Menu]→Detailedsetup→

Outputcondition→HARToutput

→Burstcondition→Event

Notication→Eventknowledge

→

→A

cknowledge

EventNotication

Acquisition of the event number

and approval.

a) Get Event Number

Conrmthelatesteventnumber.

Execute A

cknowledgeEventNotication

method.

1) Set “Enter Event Number” to “0”.

2) OK.

3) Set “Select Transaction” to “Trans 0: Read

EventNotication”.

4) OK.

5)Conrm“EventNumber”.

b) ConrmationrecordofEventNotication

Conrmfoureventscheckedina).

Execute A

cknowledgeEventNotication

method.

1)Enter“theeventnumberwhichisconrmed

in a) 5” into “Enter Event Number”.

2) OK.

3) Set “Select Transaction” to “Trans 0:Read

EventNotication”.

4) OK.

5) Knowledge menu displays events record.

Ex.)Whentheconrmedeventnumberis123.

Event Number Explanation

123 The latest event

122 An event before the once.

121 An event before the twice.

120 An event before three times.

9.8.4 Multidrop Mode

“Multidropping” transmitters refer to the connection

of several transmitters to a single communication

transmission line. Up to 63 transmitters can be

connected when set in the multidrop mode. To

activate multidrop communication, the transmitter

address must be changed to a number from 1 to

63. This change deactivates the 4 to 20 mA analog

output, sending it to 4 mA. The alarm current is also

disabled.

Setting of Multidrop Mode

(

1) Polling address

• Procedure to call up the display

DTM

[Root Menu]→Detailedsetup

→Outputcondition→HART

output→

→Polladdr Enter the number from 1 to 63

(2) Enabling the Multidrop Mode

About the procedure to call up the Polling

display, please refer to the User’s Manual of each

ongurationtool.

When Loop current mode is set to “Enabled”, an

analog signal output is available for one device in a

loop.

• P

rocedure to call up the display

DTM

[Root Menu]→Detailedsetup→

Outputcondition→Analogoutput→

Loopcurrentmode→

Enabled Loop current mode is enabled.

Disabled Loop current mode is disabled.

NOTE

When the same polling address is set for

two or more transmitters in multidrop mode,

communication with these devices is disabled.

(3) Communication when set in multidrop

mode.

•

 TheHARTcongurationtoolsearchesfora

device that is set in multidrop mode when it is

urnedon.WhentheHARTcongurationtool

is connected to the device, the polling address

and the tag will be displayed.

• Select the desired device. After that, normal

communication to the selected device is

possible. However, the communication speed

will be slow.

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