发布于 2005-12-20 13:09:17
0楼
手册看过后,电机本身不带变速箱,望请告知变频器到电机会有5:1的关系的原因,谢谢!
以下为截取的程序段
NETWORK
TITLE = PLC program with drive application
// PLC program uses the process data in DB3 for
// controlling the drive
L DB3.DBW 0 //Load PI1 (status word 1)
L...DB3.DBW 2 //Load PI2 (speed actual value)
L...DB3.DBW 4 //Load PI3 (no function)
L W#16#0006
T...DB3.DBW 20 //Write 6hex to PO1 (control word = enable)
L...1500
T DB3.DBW 22 //Write 1500dec to PO2 (speed setpoint = 300 rpm)
L W#16#0000
T...DB3.DBW 24 //Write 0hex to PO3 (no function)