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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 setpoint + P805.
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