P is in reverse proportion to measurement variations caused by output changes
by 100% in one second. It is defined as the following: if CtrL=1 or 3, then
P=1000/measurement variation per second, the unit is 0.1℃ or 1 defined unit .
Ex., instrument use 100% power to heat and there is no heat loss, if temperature
in crease 1℃ each second, then P=1000/10=100. If CtrL=4, then P parameter will be
configured by increasing 10 times. Ex., P should be set to 1000 in the above example.
P is used to control proportional and derivative function in direct proportion.
Decreasing P parameter will decrease proportional and derivative function. P
parameter does not affect integral function.
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