88
A) Cascade control:
Note:
P804 = Cascade
→ parameter P143 on each machine becomes equal to 1°C. This is because the interstage differential on each
machine will be adjusted by the value of P143 on each machine.
Machine 2
‟s setpoint is shifted by P806 relative to machine 1‟s setpoint. The value of P806 will have to be selected based on machine 1 in
order to achieve an operating order similar to the start-up of the last stage (see figure above).{
B) Control in parallel with "shifted setpoint":
Machine 1 adjusts itself to the master machine
‟s setpoint. Machine 2‟s setpoint is shifted by the value of P805. Thus, the machine 2‟s setpoint
2 is machine 1
‟s se P805.
Machine 1
Stage 1
Machine 2
Stage 2
Machine 1
stage
Machine 2
stage
Machine 1
STP
Machine 2
STP
Master machine
STP
Содержание Magister 2 Series
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