用下面的程序试一下，我的可以，我的变频器地址是1
Network 1
LD SM0.1
CALL SBR2, 1, 19200, 16#01FE, M0.0, VB0
Network 2
LD SM0.0
= L60.0
LD M22.0
AR>= VD50, 1.0
= L63.7
LD I15.7
= L63.6
LD I15.6
= L63.5
LD M22.3
= L63.4
LD M1.7
= L63.3
LD L60.0
CALL USS_CTRL:SBR5, L63.7, L63.6, L63.5, L63.4, L63.3, 1, 1, VD1000, M1.0, VB1, VW700, VD1100, M1.1, M1.2, M1.3, M1.4
Network 3
LD M0.0
= L60.0
LD M0.0
EU
= L63.7
LD L60.0
CALL USS_RPM_R:SBR7, L63.7, 1, 1078, 0, &VB420, M0.3, VB400, VD410