发布于 2009-08-06 14:34:34
0楼
程序几乎原文照抄“s7-200与6SE70之间的USS通讯”,我想向P100写入“2”。
附程序:
network1
LD SM0.1
CALL USS_INIT:SBR2, 1, 9600, 2#100000000000, Q0.0, VB10
network2
LD I0.0
= L60.0
LD I0.0
EU
= L63.7
LD L60.0
CALL USS_RPM_W:SBR9, L63.7, 11, 100, 1, &VB300, Q0.1, VB10, VW12
network2
LD I0.1
= L60.0
LD I0.1
EU
= L63.7
LDN SM0.0
= L63.6
LD L60.0
CALL USS_WPM_W:SBR7, L63.7, L63.6, 11, 100, 1, 2, &VB320, Q0.2, VB20
也算老工控了,才开始研究西门子。