9
Level access control (parameter LCK)
LCK = 0100 - levels 1 and 2 are accessible, and their parameters may be adjusted;
LCK = 0110 - levels 1 and 2 are accessible, but only the parameters from level 1 may be adjusted;
LCK = 0001 - levels 1 and 2 are accessible, but their parameters (except for set point) may not
be
adjusted;
LCK = 0101 - only level access control parameter may be adjusted.
The level access control parameter may always be adjusted.
LCK = 0000 allows access to level 3 (from level 2, press and hold SET и W for 5 s)
LCK = 1111 allows access to level 4 (from level 2, press and hold SET и W for 5 s)
Proportional band (parameters P1 and P2)
The relation between the proportional band P and the proportional gain K
P
is as follows:
K
P
= 10 000 / ( P * INPUT_RANGE ),
K
P
[%/°C] is the proportional gain, P[%] is the proportional band,
INPUT_RANGE [°C] is the input range high limit (e.g. with input range -200...400 °C,
INPUT_RANGE = 400)
Relationship between PID input and output
when both integration and differentiation are switched off
PID control internal structure
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