.APPLICATION
EXAMPLES
I
I
Energy Management
of
Compressor Station
I
I
Seauence control svstem aaaiication
I
Items controlled
Com pressors
Overall aim
Energy saving operation
of
compressors.
Advantages
Energy savings, provide reduced running and maintenance costs because of
efficient use.
Method of control description
Independent and parallel operation of
6
compressors is controlled according to
demand and air pressure. First-in, first-out control which stops in order of operation.
In manual operation, any desired compressor can be turned
on
or
off.
System configuration
---
--A
(contact input)
6
Compressors
PLC system requirements
1
x AISCPU
1
xAIS6IP
1
x AlS32B
n
xA1SX-
n
x AlSY-
138