Rockwell-automation 1771-DB BASIC MODULE Manual de usuario descargar pdf (Pagina 331)

100

101

Chapter

Call Routines 69–127

13 -73

IndicatesCode

data conversion error

D6 the scanner is not able to communicate with a 1771 chassis

adapter

D7 the adapter is not able to communicate with the module

D8 the 1771 module response was not valid

D9 duplicated label

DA file is open – another station owns it

DB another station is the program owner

Syntax

PUSH type of PLC WRITE command

PUSH remote PLC node address

PUSH file number of remote PLC

PUSH file type on remote PLC

PUSH starting word offset on remote PLC

PUSH number of elements to be transferred

PUSH message time-out value

PUSH selection of BTW buffer or internal string

PUSH

PUSH string number

CALL

123

POP CALL 123 status

Example

>15

PUSH 64: CALL 4: REM SET BLOCK TRANSFER WRITE LENGTH

16 PUSH 64: CALL 5: REM SET BLOCK TRANSFER READ LENGTH

20 PUSH 5 : REM PLC-5 FILE

30 PUSH 0 : REM PLC-5 NODE ADDRESS

40 PUSH 7 : REM PLC-5 FILE NUMBER

50 PUSH ASC(N) : REM PLC-5 FILE TYPE

60 PUSH 0 : REM STARTING WORD OFFSET FOR PLC-5

70 PUSH 20 : REM NUMBER OF WORDS TO TRANSFER

80 PUSH 10 : REM COMMAND TIME-OUT VALUE (X100MS)

90 PUSH 0 : REM USE BTW BUFFER

100 PUSH 1 : REM ALWAYS 1

110 PUSH 0 : REM STRING NUMBER–NA FOR THIS EXAMPLE

120 CALL 123

130 POP S : REM STATUS OF THE CALL

140 IF (S<>0) THEN PRINT “UNSUCCESSFUL CALL 123 SETUP”

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Rockwell-automation 1771-DB BASIC MODULE Manual de usuario Pagina 331

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