ABB MODBUS 求助 点击:295 | 回复:2



gjdpj

    
发表于:2009-04-21 18:15:27
楼主

小弟最近摆弄ABB,照论坛里大哥讲的(1)使变频器具备合闸条件(READY TO SWITCH ON):
16#01,16#06,16#00,16#00,16#00,16#06,16#09,16#C8
(2)使变频器给定1的值清0(CLEAR THE EXT REF1):
16#01,16#06,16#00,16#01,16#00,16#00,16#D8,16#0A 
(3)使变频器状态为准备就绪(READY TO OPERATE):
16#01,16#06,16#00,16#00,16#00,16#07,16#C8,16#08
(4)使变频器状态为允许运行(OPERATION ENABLED):
16#01,16#06,16#00,16#00,16#00,16#0F,16#C9,16#CE
(5)使变频器状态为允许加速(ACCELERATOR ENABLED):
16#01,16#06,16#00,16#00,16#00,16#2F,16#C8,16#16
(6)使变频器状态为运行(OPERATING):
16#01,16#06,16#00,16#00,16#00,16#6F,16#C9,16#E6

(7)给定25hz

01 06 08 99 02 58 CRC校验

但是电机转动到25HZ就停下来了,再发电机又到25HZ停下。不知原因,请哪位高手给予指导。



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