Rockwell-automation 2708-NBD VBASIC Language Development Kit Manual de usuario Pagina 41
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Valorado. / 5. Basado en revisión del cliente
Chapter 5
A-B VBASIC Application Library
5–4
Figure 5.1
ENVPC Main Screen (Running ENVEX1)
Library Test
Do something
Timeout of 1000 has 900 left.
123456789 123456789 123456789 123456789 123456789 123456789 123456789 123456789
1^234567
BDGE RX
:
HOST RX :
NET TX :
QUE RX :
COM RX :
COM TX :
AUX RX
:
AUX TX :
Rts1=Off Dtr1=Off Dsr1=Off Rts2=Off Dtr2=Off Dsr2=Off Line=Off
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Press TAB or ALT(A...Z) to receive a record from another device
TAB X or ALT X: TERMINATES emulation.
CTRL-BREAK: Pauses program and enters Visual BASIC
environment.
TAB S or ALT S: Slot reader manual input. You key in a record which
will be read as slot reader input.
TAB B or ALT B: Same as above (B is for Badge reader input).
TAB H or ALT H: Host manual input. You key in a record which
simulates a record from the host computer. Leave the
station number off of the record.
If your actual host would send:
“1-23:REJECT/Bad lot number”
To workstation 23 attached to Master 1, you should just enter:
“REJECT/Bad lot number”
Using the ENVPC Simulator
- User Manual 1
- Important User Information 2
- Chapter 1 3
- Chapter 2 3
- Chapter 3 3
- Special Devices 4
- Chapter 5 5
- Appendix B 5
- Bulletin 2708 6
- Table of Contents 6
- Application Library 7
- Subroutines 7
- A-B VBASIC Limits 8
- Introduction to BASIC 9
- What is Visual BASIC ? 10
- What is A-B VBASIC? 11
- Developing and Running 12
- The A-B VBASIC 13
- Development Procedure 13
- (cont’d) 13
- Loading and Auto-Starting 14
- Start-up Condition of 14
- Termination of an 15
- A-B VBASIC Program 15
- A-B VBASIC 16
- Run-Time Errors 16
- Power Failure 17
- CROSS-COMPILER (LXB) 18
- Invoking the Compiler 19
- Special Devices in A-B VBASIC 22
- Introduction (cont’d) 23
- Device: LCD Display 23
- Device: Keypad 24
- Device: Barcode Scanners 25
- Device: Host Computer 27
- Chapter 4 30
- IF LOC(#1) 0 THEN 31
- LINE INPUT #1, INLINE$ 31
- ‘ Do something else 31
- Devices: Communication 32
- Ports, Primary and 32
- Auxiliary 32
- Auxiliary (cont’d) 33
- Device: RAM Files 34
- Device: RAM Files (cont’d) 35
- Device: Beeper 35
- Device: Front Panel LEDs 35
- Device: The #9 36
- User Status Display 36
- Device: The Egg Timer 37
- Introduction 38
- Using the Library 39
- Using the Library (cont’d) 40
- Writing Programs 40
- Using the ENVPC Simulator 41
- Appendix 47
- Appendix A 48
- Differences Between 49
- A-B VBASIC and Visual BASIC 49
- Supported A-B VBASIC 50
- Keywords 50
- CLOSE #1 51
- EOF(filenumber) 54
- GOTO {linelabel/linenumber} 57
- HEX$(expression) 57
- IF...THEN...ELSE 57
- INT(numeric–expression) 58
- IOCTL$([#]filenumber) 58
- IOCTL[#]filenumber,string 58
- KILL “filespec” 58
- LOF(filenumber) 60
- LTRIM$(stringexpression) 60
- MKD$, MKI$, MKL$, MKS$ 60
- RANDOMIZE expression 62
- REM remark 62
- ‘ remark 62
- SGN(numeric–expression) 64
- SLEEP seconds 64
- SOUND frequency,duration 64
- SWAP vari1,vari2 66
- TIME$ = stringexpression 66
- OpenLINX 70
- SUB OpenLINX 70
- Appendix C 71
- Appendix D 81
- A-B BASIC Limits 81
- ALLEN-BRADLEY 84
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