翼侠，我的程序你是看过的，也是按照例子写的，但是确实有问题，我觉得不一定是PLC程序的问题，有可能是变频器的问题，因为这台变频器去年我实验的时候还好用，但是中间有很多的初学者拿它练手，设置上变化很大，我研究了一天半，还是不行，我把程序给贴上去你看一下。
TITLE=程序注释
Network 1 // 网络标题
// 网络注释
LD SM0.1
R M0.0, 8
Network 2
LD M0.0
EU
S M0.1, 1
Network 3
LD SM0.0
= L60.0
LD SM0.0
= L63.7
LD L60.0
CALL SBR1, L63.7, 9600, 0, 1000, M0.0, MB1
Network 4
// 读3#站
LD M0.1
O M0.7
= L60.0
LD M0.1
EU
LD M0.7
EU
OLD
= L63.7
LD L60.0
CALL SBR2, L63.7, 3, 0, 40005, 1, &VB500, M0.2, MB4
Network 5
LD M0.2
R M0.1, 1
R M0.7, 1
Network 6
LD M0.2
= L60.0
LD M0.2
EU
= L63.7
LD L60.0
CALL SBR2, L63.7, 4, 0, 40005, 1, &VB504, M0.3, MB5
Network 7
LD M0.3
R M0.2, 1
Network 8
LD M0.3
= L60.0
LD M0.3
EU
= L63.7
LD L60.0
CALL SBR2, L63.7, 5, 0, 40005, 1, &VB508, M0.4, MB6
Network 9
LD M0.4
R M0.3, 1
Network 10
LD M0.4
= L60.0
LD M0.4
EU
= L63.7
LD L60.0
CALL SBR2, L63.7, 3, 1, 40002, 1, &VB512, M0.5, MB7
Network 11
LD M0.5
R M0.4, 1
Network 12
LD M0.5
= L60.0
LD M0.5
EU
= L63.7
LD L60.0
CALL SBR2, L63.7, 4, 1, 40002, 1, &VB516, M0.6, MB8
Network 13
LD M0.6
R M0.5, 1
Network 14
LD M0.6
= L60.0
LD M0.6
EU
= L63.7
LD L60.0
CALL SBR2, L63.7, 5, 1, 40002, 1, &VB520, M0.7, MB9
Network 15
LD M0.7
R M0.6, 1
Network 16
// 4# RRR
LD SM0.0
ITD VW504, VD532
Network 17
LD SM0.0
DTR VD532, VD536
Network 18
LD SM0.0
MOVR VD536, VD2132
/R 10.0, VD2132
Network 19
// 5# RRR
LD SM0.0
ITD VW508, VD540
Network 20
LD SM0.0
DTR VD540, VD544
Network 21
LD SM0.0
MOVR VD544, VD2144
/R 10.0, VD2144
Network 22
// 4# www
LD SM0.0
MOVR VD2096, VD1000
*R 400.0, VD1000
Network 23
LD SM0.0
ROUND VD1000, VD1004
Network 24
LD SM0.0
DTI VD1004, VW516
Network 25
// 5# www
LD SM0.0
MOVR VD2100, VD552
*R 0.02, VD552
Network 26
// 4#
LD SM0.0
CALL SBR4, AIW0, VD1268, M12.0, VD548, VW1500
Network 27
// 5#
LD SM0.0
CALL SBR5, AIW2, VD1268, M12.1, VD552, VW520
Network 28