network1
LD SM0.0
TON T37, +300
TON T38, +350
TON T39, +400
TON T40, +800
TON T41, +850
TON T42, +900

network2
LD SM0.0
S EWV_G, 1
S SNV_R, 1
S EWM_R, 1
S SNM_G, 1

network3
LD T37
A SM0.5
AN T38
= EWV_G

network4
LD T38
AN T39
LPS
A SM0.5
= SNM_G
LPP
= EWV_Y

network5
LD T39
= EWV_R
= SNM_R
= SNV_G
= EWM_G

network6
LD T39
R SNV_R, 1
R EWM_R, 1

network7
LD T40
AN T41
A SM0.5
= SNV_G

network8
LD T41
AN T42
LPS
A SM0.5
= EWM_G
LPP
= SNV_Y

network9
LD T42
R EWV_R, 1
R SNM_R, 1

程序编译通过，但用模拟器模拟时：
network2 中 S EWV_G, 1 (Q0.0)
S SNM_G, 1 (Q1.0)

network5 中 = SNV_G (Q0.3)
= EWM_G (Q0.6)

更本没有输出（相应的输出点不亮）,为什么？