Rockwell-automation 20-COMM-I Interbus Adapter Manual do Utilizador descarregar pdf (Página 78)

6-16 Using Explicit Messaging (PCP Communications)

Figure 6.3 LAD5 - PCP Read Subroutine (Continued)

N22:12 = Index (the parameter number or fault/event queue item to be read)

N22:1 determines what area is to be read:

0 = PowerFlex 70 (Host) parameter (N22:2 + 12288 decimal (3000h) = mapped parameter address)

1 = 20-COMM-I parameter (N22:2 + 12213 decimal (2FB5h) = mapped parameter address)

2 = PowerFlex 70 (Host) Fault queue (N22:2 + 12280 decimal (2FF8h) = mapped fault item)

3 = 20-COMM-I Event Queue (N22:2 + 12205 decimal (2FADh) = mapped event item)

0002

B3:47

PCP Read

Routine

1-shot

EQU

Equal

Source A N22:1

Source B 0

EQU

PCP Read

Param / Queue

to Read

ADD

Add

Source A N22:2

Source B 12288

12288 <

Dest N22:12

12289 <

ADD

PCP Read

Command Msg

Index

EQU

Equal

Source A N22:1

Source B 1

EQU

PCP Read

Param / Queue

to Read

ADD

Add

Source A N22:2

Source B 12213

12213 <

Dest N22:12

12289 <

ADD

PCP Read

Command Msg

Index

EQU

Equal

Source A N22:1

Source B 2

EQU

PCP Read

Param / Queue

to Read

ADD

Add

Source A N22:2

Source B 12280

12280 <

Dest N22:12

12289 <

ADD

PCP Read

Command Msg

Index

EQU

Equal

Source A N22:1

Source B 3

EQU

PCP Read

Param / Queue

to Read

ADD

Add

Source A N22:2

Source B 12205

12205 <

Dest N22:12

12289 <

ADD

PCP Read

Command Msg

Index

N22:13 = Sub Index (Not used)

0003

B3:47

PCP Read

Routine

1-shot

MOV

Move

Source 0

Dest N22:13

MOV

PCP Read

Command Msg

Sub Index

20COMM-UM007A-EN-P.book Page 16 Tuesday, January 22, 2002 10:52 AM

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