网络1
LD Always_On:SM0.0
= L60.0
LD Always_On:SM0.0
= L63.7
LD L60.0
CALL MBUS_CTRL:SBR1, L63.7, 9600, 0, 400, M0.0, MB1
网络2
LD First_Scan_On:SM0.1
R M2.0, 2
网络3
LD Clock_1s:SM0.5
EU
S M2.0, 1
网络4
LD M2.0
= L60.0
LD M2.0
EU
= L63.7
LD L60.0
CALL MBUS_MSG:SBR2, L63.7, 89, 0, 40001, 21, &VB200, M0.1, MB1
网络5
LD M0.1
EU
LPS
AB<> MB1, 0
S Q0.1, 1
LRD
R M2.0, 1
LPP
S M2.1, 1
网络6
LD M2.1
= L60.0
LD M2.1
EU
= L63.7
LD L60.0
CALL MBUS_MSG:SBR2, L63.7, 90, 0, 40001, 21, &VB400, M0.2, MB1
网络7
LD M0.2
EU
LPS
AB<> MB1, 0
S Q0.2, 1
LPP
R M2.1, 1

从站地址89、90寄存器号40001 PLC地址&VB200、&VB400 21个寄存器号