发表于:2007-03-06 16:55:00
楼主
小弟刚接触S7-200,用RCV指令接收数据不对,哪位大哥指点下啊?程序如下:
初始化:
SBR0
LD SM0.0
MOVB 16#09, SMB130
MOVB 16#E4, SMB187
MOVB 16#02, SMB188
MOVB 16#03, SMB189
MOVW +500, SMW192
MOVB 09, SMB194
ATCH INT_0, 26
ATCH INT_2, 24
ATCH INT_1, 25
ENI
LD SM0.0
MOVB 16#09, VB500
MOVB 16#02, VB501
MOVB 16#1, VB502
MOVB 16#54, VB503
MOVB 16#29, VB504
MOVB 16#0, VB505
MOVB 16#35, VB506
MOVB 16#0, VB507
MOVB 16#4B, VB508
MOVB 16#03, VB509
时间紧迫
哪位高人指点下啊!!