附件是本人做的有关电磁阀控制程序，共有三台套设备，每套有4个电磁阀，依次按时间动作，我现在的程序是三台同一位置的电磁阀一起工作，各位还有什么更好的方案请赐教
ORGANIZATION_BLOCK 主程序:OB1
TITLE=clean filter for RF 101
BEGIN
Network 1 // 网络标题
// 网络注释
LD I0.0
LPS
A I0.1
= M0.0
LRD
A I0.2
= M0.1
LPP
A I0.3
= M0.2
Network 2
LD M0.0
O M0.1
O M0.2
= M9.0
Network 3 // 9.0
LD M9.0
A SM0.4
AN M1.0
LD T37
CTD C20, 2
Network 4
LD M9.0
LPS
A C20
LPS
A M0.0
= Q0.0
LRD
A M0.1
= Q1.0
LPP
A M0.2
= Q2.0
LPP
TON T37, 1
A T37
EU
S M1.0, 1
Network 5
LD M9.0
A M1.0
AN M1.1
TON T50, 50
Network 6
LD M9.0
A T50
LPS
A M0.0
= Q0.1
LRD
A M0.1
= Q1.1
LRD
A M0.2
= Q2.1
LRD
TON T38, 1
LPP
A T38
EU
S M1.1, 1
Network 7
LD M9.0
A M1.1
AN M1.2
TON T51, 50
Network 8
LD M9.0
A T51
LPS
A M0.0
= Q0.2
LRD
A M0.1
= Q1.2
LRD
A M0.2
= Q2.2
LRD
TON T39, 1
LPP
A T39
EU
S M1.2, 1
Network 9
LD M9.0
A M1.2
AN M1.3
TON T52, 50
Network 10
LD M9.0
LPS
A T52
LPS
A M0.0
= Q0.3
LRD
A M0.1
= Q1.3
LPP
A M0.2
= Q2.3
LPP
TON T40, 1
A T40
EU
R M1.0, 4