Recirculating coolers
29
6.4.
PID control parameters
INT
EXT
For internal and external control two separate
parameter sets are available.
The PID control parameters can be adapted to the
requirements of the controlled member.
The values are preserved after switching off the
recirculating cooler.
•
The control parameters are indicated by operating
the key
(5.1).
Indications in case of internal control
INT
:
Parameter Setting
range
CP 1 Xp (example 4.0 K).
0.1 ... 100 K
CP 2 Tn (example 160 s).
1 ... 9999 s
CP 3 Tv (example 20 s).
0 ... 500 s
(Switch-over from
INT to
EXT:
Cont
- see page 41)
Indications of external control
EXT
:
Parameter Setting
range
CP 4
Xp
0.1 ... 100 K
CP 5
Tn
1 ... 9999 s
CP 6
Tv
0 ... 500 s
CP 7
Xpu (Cascade control)
1 ... 10 K
HL
Max.internal temperature -25 ... 85 °C
LL
Min.internal temperature -25 ... 85 °C
