发表于:2002-07-01 17:06:00
3楼
app : simulate
topic : i.e plc
item:
Item Name Tag Type Description
V1 Discrete Milk Valve - Simulate.exe forces V1 on when Start = 1 and tank level < 800 and forces V1 off when tank level = 800 or Start = 0.
V2 Discrete Syrup Valve - Simulate.exe forces V2 on when Start = 1 and tank level = 800 and forces V2 off when tank level < 800 or Start = 0.
V3 Discrete Outlet Valve - Simulate.exe forces V3 on when tank level = 1000 and off at all other times.
A1 Discrete Agitator - Simulate.exe forces A1 on when Start bit is equal to 1 and off when tank level = 1000 or Start is equal to 0.
START Discrete Process Start - When START = 1 Simulate.exe forces V1 to increment Tank Level and begins simulating process.
L1 Integer Tank Level - Simulate.exe alternately increments then decrements L1 from 0 to 1000 when START=1.L1 is set to zero when START=0.