Burkert Type 8056 User Manual
Page 3
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RS232_485_ETP_MODBUS_BU_REV02.doc
4.3.
HTP
PROTOCOL...............................................................................................................................................................68
5. MODBUS FIELD BUS ..................................................................................................................................................71
5.1.
INTRODUCTION ..............................................................................................................................................................71
5.2.
RS485
HARDWARE
CONNECTION ................................................................................................................................71
5.3.
DATA
WORD
FORMAT ....................................................................................................................................................71
5.4.
COMMUNICATION
SPEED ..............................................................................................................................................71
5.5.
SERIAL
PORT
SETTINGS ................................................................................................................................................71
5.6.
PARAMETER
SETTINGS..................................................................................................................................................72
5.7.
STANDARD
FUNCTIONS.................................................................................................................................................72
5.8.
CUSTOM
FUNCTION .......................................................................................................................................................77
5.9.
EXAMPLE
OF
SOURCE
CODE
FOR
VB
.NET
2005
PROJECT........................................................................................80
6. APPENDIX .................................................................................................................................................................. 100
6.1.
RS232
SERIAL
PORT .....................................................................................................................................................100
6.1.1. CONNECTING THE CONVERTER VIA RS232 PORT TO A PRINTER ..............................................................................100
6.1.2. CONNECTING THE CONVERTER VIA RS232 PORT TO A PC/MODEM ........................................................................102
6.2.
RS485
SERIAL
PORT .....................................................................................................................................................103
6.2.1. CONNECTING THE CONVERTER VIA RS485 SERIAL PORT .........................................................................................103
6.2.2. CONNECTING THE CONVERTER TO AN RS485 NETWORK ........................................................................................104
6.2.3. CRITERIA FOR DATA EXCHANGE ...............................................................................................................................104
6.2.4. TYPES OF DEVICE FOR THE NETWORK CONNECTION ...............................................................................................104
6.2.5. EXTENDING THE NETWORK ......................................................................................................................................104