年 路 年 1 [1-3][4] [5-7] [15] Visual Basic [10] 401
RS-232C [11-13] 1 1 (PLC) (HMI) Visual Basic (PLC) 402
1 1 X0 X1 X2 X3 SENSOR Y0 SENSOR VB X3 Y0 Y1 Y2 Y3 Y4 Y5 Y1~Y5 Y6 VB Y7 VB Y11 Y12 Y13 Y14 Y15 Y11~Y15 2 PLC (X) (Y) (M) (T) (C) (CMP) (RST) 403
START X0 ON X1 ON X2 ON SENSOR (X3) ON X0 or X1 ON YES YES YES YES YES 2 Visual Basic 1. 3 1 2 3 4 5 6 7 8 9 10 11 12 13 404
3 2. 4 1 2 PLC 3 4 5 4 405
PLC PC PLC (protocol) RS232 RS422 RS485 A1SJ71C24 RS-232C A1SJ71C24 PC-CPU 5 5 PLC PC-CPU A1SJ71C24 A1SJ71C24 6 6 A1SJ71C24 (1) A C A1SJ71C24 (2) B A1SJ71C24 (3) (4) C ( ) 406
A1SJ71C24 7 7 A1SJ71C24 (1) A A1SJ71C24 (2) B A1SJ71C24 (3) 1. BR PLC 8 8 BR BR "00FFBRAY000016" 00FF--- PLC number&pc number BR--- Read in PLC(batch write of bit device) Y0000--- Head device(to strat a point from Y0) 16--- Number of device points 2. BW PLC 9 9 BW 407
BW "00FFBW0X00000500100" 00FF--- PLC number&pc number BW--- Write in PLC(batch write of bit device) 0 --- Message wait time X0000--- Head device(to strat a point from Y0) 05--- Number of device points 00100--- Data for the designated number of device point Visual Basic RS-232 MSComm Serial Communication HMI Human-Machine Interface PLC PLC 10 PLC 10 PLC 10 Proface GP-2500 PLC GP RS-422 2 PLC 408
2 PLC HMI PLC Baud Rate 9600 bps ( ) Data Length 7 bit ----- Stop Bit 1 bit ----- Parity Bit Even ----- Data Flow Control ER Control ----- Unit NO. 0 ----- 11 12 13 11 12 409
13 PLC Visual Basic 14 14 410
1. (1999) ITS Taiwan's Newsletter 2. (2000) 3. (2000) 4. (2001) 2001 5. (2003) 6. (1998) FX2 87 7. (2001) 8. (1997) 9. (1997) 10. (2003) Visual Basic 6.0 11. (2001) Visual Basic 12. (2001) Visual Basic RS232 13. (2002) Visual Basic RS-232/485 14. 2001 VB F(A)X PLC 15. (2003) GP 411