TECO 7300CV - Page 22

7300CV MODBUS COMMUNICATION PROTOCOL
File No. :PC-CV-08
Version : 1.A
Page :
22/34
6.4.6 Coil status write
ASCII Mode
PCÆ INV(PLC) INV(PLCÆPC
3AH STX 3AH STX
30H 30H
31H
Address
31H
Address
30H 30H
36H
Function Code
36H
Function Code
30H 30H
32H 32H
46H 46H
43H
*Register
Number
43H
*Register Number
*Data to be written to *Data to be written to
*Data to be written to *Data to be written to
*Data to be written to *Data to be written to
*Data to be written to
16-Bit data
comprising of 4
ASCII codes
*Data to be written to
16-Bit data
comprising of 4
ASCII codes
? ?
?
CHECK SUM
?
CHECK SUM
0DH END 0DH END
0AH END 0AH END
RTU Mode
01H Address 01H Address
06H Function Code 06H Function Code
02H 02H
FCH
* Register Code
FCH
* Register Code
*Data to be written to *Data to be written to
*Data to be written to
16-Bit data
*Data to be written to
16-Bit data
? CRC High Byte ? CRC High Byte
? CRC Low Byte ? CRC Low Byte
Note: Write to Coil Start code
INPUT 02FDH
TIMER 02FEH
COUNTER 02FFH
AUXI COIL 0300H
CONTROL
COIL
0301H
ANALOG 0302H
ENCODER 0302H
OUTPUT 0303H