plc200与宇电仪表的自由口通讯,我做了小程序发到网上,那位老师修改一下谢谢
ob1
LD SM0.1
CALL SBR_1:SBR1
LD SM0.0
A M0.0 //通信允许位
A SM0.5
EU
MOVB 0, VB100 //数据接收区
MOVB 5, SMB35
ATCH INT_1:INT1, 11
ATCH INT_0:INT0, 8
子程序
LD SM0.1
MOVB 16#09, SMB30
MOVB 0, VB100
ATCH INT_1:INT1, 11
MOVB 0, SMB35
ENI
int_0
LD SM0.0
DTCH 11
R M0.0, 1
LD SM0.0
+I +1, VW1000
+D +1, AC1
MOVB SMB2, *AC1
LDW= +64, VW1000
MOVW +0, VW1000
S M0.0, 1
int_1
LD SM0.0
MOVD &VB100, AC1
MOVB 8, VB100
MOVB 16#81, VB101
MOVB 16#81, VB102
MOVB 16#52, VB103
MOVB 16#0, VB104
MOVB 16#0, VB105
MOVB 16#0, VB106
MOVB 16#53, VB107
MOVB 16#1, VB108
XMT VB100, 0
DTCH 11
R M0.0, 1
LD SM0.0
CRETI
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