WEG CFW100 User Manual - page 3
Contents
CONTENTS
CONTENTS ......................................................................................................................... 3
ABOUT THIS MANUAL ...................................................................................................... 5
ABBREVIATIONS AND DEFINITIONS ......................................................................................................... 5
NUMERICAL REPRESENTATION ............................................................................................................... 5
DOCUMENTS ................................................................................................................................................ 5
1
INTRODUCTION TO SERIAL COMMUNICATION ...................................................... 6
2
INTERFACE DESCRIPTION ......................................................................................... 7
2.1
RS485 COMMUNICATION MODULE (CFW100-CRS485) .............................................................. 7
2.1.1
RS485 module’s connector ....................................................................................................... 7
2.1.2
RS485 Interface Characteristics .............................................................................................. 7
2.1.3
Terminating resistor .................................................................................................................. 8
2.1.4
Indications .................................................................................................................................. 8
2.1.5
Connection with the RS485 Network ....................................................................................... 8
2.2
USB COMMUNICATION MODULE (CFW100-CUSB) ..................................................................... 8
2.2.1
Indications .................................................................................................................................. 8
3
PROGRAMMING .......................................................................................................... 9
3.1
SYMBOLS FOR THE PROPERTIES DESCRIPTION ........................................................................ 9
P0105 – 1
ST
/2
ND
RAMP SELECTION ............................................................................................................ 9
P0220 – LOCAL/REMOTE SELECTION SOURCE ...................................................................................... 9
P0221 – SPEED REFERENCE SELECTION – LOCAL SITUATION ........................................................... 9
P0222 – SPEED REFERENCE SELECTION – REMOTE SITUATION ........................................................ 9
P0223 – FORWARD/REVERSE SELECTION – LOCAL SITUATION .......................................................... 9
P0224 – RUN/STOP SELECTION – LOCAL SITUATION ............................................................................ 9
P0225 – JOG SELECTION – LOCAL SITUATION ....................................................................................... 9
P0226 – FORWARD/REVERSE SELECTION – REMOTE SITUATION ...................................................... 9
P0227 – RUN/STOP SELECTION – REMOTE SITUATION ........................................................................ 9
P0228 – JOG SELECTION – REMOTE SITUATION .................................................................................... 9
P0308 – SERIAL ADDRESS .......................................................................................................................... 9
P0310 – SERIAL BAUD RATE ...................................................................................................................... 9
P0311 – SERIAL INTERFACE BYTE CONFIGURATION .......................................................................... 10
P0313 – COMMUNICATION ERROR ACTION .......................................................................................... 10
P0314 – SERIAL WATCHDOG ................................................................................................................... 11
P0316 – SERIAL INTERFACE STATUS ..................................................................................................... 11
P0680 – STATUS WORD ............................................................................................................................ 11
P0681 – MOTOR SPEED IN 13 BITS ......................................................................................................... 12
P0682 – SERIAL CONTROL WORD ........................................................................................................... 13
P0683 – SERIAL SPEED REFERENCE ...................................................................................................... 13
4
MODBUS RTU PROTOCOL ....................................................................................... 15
4.1
TRANSMISSION MODES ................................................................................................................ 15
4.2
MESSAGE STRUCTURE FOR RTU MODE .................................................................................... 15
4.2.1
Address ..................................................................................................................................... 15
4.2.2
Function Code .......................................................................................................................... 15
4.2.3
Data Field .................................................................................................................................. 15
4.2.4
CRC ........................................................................................................................................... 15
4.2.5
Time Between Messages ........................................................................................................ 15
5
OPERATION IN THE MODBUS RTU NETWORK – SLAVE MODE .......................... 17
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net