Teledyne 7500 Instruction Manual page 40

(b) Data write-in example
Operation : Change CH1 measurement range via communication
(Single word write-in)
Used function code :
Write-in register No. :
Write-in data :
1000 '-------------------------------------------------------
1010 ' WRITE 1 WORD SAMPLE PROGRAM
1020 '-------------------------------------------------------
1030 '
1040 ' Transmission speed = 9600 bps (selected with SPEED command
and SWITCH command of MS-DOS)
1050 '
1060 CLS
1070 DIM CC(255)
1080 '
1100 '-------------- Send data setting -----------------------
1110 CC(1)=&H01 ' Station No. = 1
1120 CC(2)=&H06 ' Function code = 06H
1130 CC(3)=&H00 ' Upper byte of relative address(0069H) of resister
No.40106
1140 CC(4)=&H69 ' Lower byte of relative address(0069H) of resister
No.40106
1150 CC(5)=&H00 ' Upper byte of Write-in word data(0001H)
1160 CC(6)=&H01 ' Lower byte of Write-in word data(0001H)
1170 COUNT=6
1200 '
1210 '------------- CRC code calculation of send data --------------
1220 GOSUB *CRC.CALC
1230 CC(7)=CRC.L ' Lower byte of CRC calculation result °Ê Upper
byte in message
1240 CC(8)=CRC.H ' Upper byte of CRC calculation result °Ê Lower
byte in message
1250 COUNT=COUNT+2
1300 '
1310 '------------- Send data -----------------------------
1320 PRINT "Sending data > ";
1330 OPEN "COM1:N81NN" AS #1 ' No parity •••"N81NN "
1340
1350
1360 FOR I=1 TO COUNT
1370 PRINT #1,CHR$(CC(I)); ' Writing transmission port
1380 PRINT RIGHT$("0"+HEX$(CC(I)),2);" "; ' Displaying on screen
1390 NEXT I
1400 '
1410 FOR I=O TO 12000 :NEXT I ' Interval time
1500 '
06H
40106
1 (changeover from range 1 to range 2)
40
Teledyne Analytical Instruments