LD SM0.1
MOVB 16#09, SMB30
MOVB 16#E0, SMB87
MOVB 16#7C, SMB88 //信息起始符7CH
MOVB 16#7D, SMB89 //信息结束字符7DH
MOVB 53, SMB94 //最大字符数53
ATCH RCV_INT, 23
ATCH XMT_INT, 9
ENI
RCV VB100, 0

network2

LD SM0.0
MOVB 10, VB200
MOVB 16#0D, VB202
MOVB 16#31, VB203
MOVB 16#30, VB204
MOVB 16#32, VB205
MOVB 16#30, VB206
MOVB 16#30, VB207
MOVB 16#30, VB208
MOVB 16#30, VB209
MOVB 16#30, VB210
MOVB 16#30, VB211
MOVB 16#7C, VB201
MOVB 16#30, VB212
MOVB 16#30, VB213
MOVB 16#30, VB214
MOVB 16#30, VB215
LD SM0.0
MOVB 16#30, VB216
MOVB 16#30, VB217
MOVB 16#30, VB218
MOVB 16#30, VB219
MOVB 16#7D, VB220

RCV_INT

LDB= SMB86, 16#20
XMT VB200, 0

XMT_INT

LD SM0.0
RCV VB100, 0

从串口写数据7C xx xx xx xx xx 7D可以存储到VB100
可发到串口的数据却不是我写在VB200里的数据,为什么?


发送(H):7C 30 30 30 30 30 7D
接收(H):35 C5 C1 C9 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 C1 F5 FF