那位高手能帮我看看这段程序是什么意思啊！如何转化成梯形图。 或者直接写出这段程序的意思也可以啊，，在此谢谢各位高手了！

A "DB_STC01_Misc".Alarms.Fault_Summary
A "DB_STC01_Manual".X_Axle.Standstill_Electrical
A "DB_STC01_Manual".Y_Axle_1.Standstill_Electrical
A "DB_STC01_Manual".Y_Axle_2.Standstill_Electrical
A "DB_STC01_Manual".Z_Axle.Standstill_Electrical
O
//After switch on Auto or Semi
O "DB_STC01_Misc".General.REPulse_Auto_On
O "DB_STC01_Misc".General.REPulse_Semi_On
O "DB_STC01_Misc".General.REPulse_Manual_On
O "DB_STC01_Misc".General.REPulse_Service_On
O "DB_STC01_Misc".General.REPulse_STC_Off
//If no Auto or Semi active any more
O(
AN "DB_STC01_Misc".General.STC_Auto_Mode_On
AN "DB_STC01_Misc".General.STC_Semi_Auto_Mode_On
)
O
//Stop Order, if fork brake closed
A "DB_STC01_Inputs".Single_Inputs.E_19_1
AN "DB_STC01_Outputs".Single_Outputs.Q14_2
//Stop from STC panel
A(
A "DB_STC01_OP177B".Picture_Orders.F11
A "DB_STC01_Misc".General.STC_Int_Semi_Mode_Sel
O
//Stop from MP1 in Semi
A "DB_STC1_MP1_OP177B".Picture_Orders.F14
A "DB_STC01_Misc".General.STC_Ext_Semi_Mode_Sel
O
//Stop from MP1 with login rights
A "DB_STC1_MP1_OP177B".Picture_Orders.F14
A "DB_STC1_MP1_OP177B".OP177B_Systemdata.Login_Status
)
= q3.0