Temperature Controls
Single Loop PID-Controllers
Type PDI 20
鈥?4-dgt multi-range 碌P-based PID controller
鈥?Temperature measurements in 擄C or 擄F
鈥?All software functions selectable by key-pad
鈥?PID, ON/OFF and neutral zone selectable controls
鈥?Autotuning, direct or reverse PID control and dynamic
setpoint capability
鈥?One relay or SSR control output
鈥?One independent alarm setpoint (on request)
鈥?Degree of protection: IP54
鈥?Front size: 24 x 48 mm
Product Description
4-dgt multi-range 碌P-based
controller for temperature
measurements in 擄C or 擄F and
for process signals.
Input from thermoresistance
or thermocouple, PTC, 0/4
to 20 mA or 0 to 10 VDC. Any
parameter is fully programm-
able by user-friendly key-pad.
The PDI 20 includes auto-
tuning, direct or reverse PID
control and dynamic setpoint
capability. The housing is easy
to mount and ensures a
degree of protection of IP 54.
Ordering Key
Model
Measurement
Power supply
Control output (Out 1)
Alarm output (Out 2)
PDI20A T1 HRX
Type Selection
Measurements
T1:
T2:
T3:
C1:
C2:
V1:
TC inputs: J, K, S
RTD inputs:
Pt100, Ni100
PTC input: KTY81
4 to 20 mADC
0 to 20 mADC
0 to 10 VDC
Power supply
L:
24 VAC, -10% +10%,
50/60 Hz,
24VDC -10% +10%
1)
with galvanic insulation
90 to 240 VAC, 50/60Hz
with galvanic insulation
Control output (Out 1) (*)
R:
0:
Relay
SSR (12 VDC)
Alarm output (Out 2) (*)
X:
R:
0:
None
Relay
SSR (12 VDC)
H:
1)
On request
(*) If out1 is a relay type, out2 can be only an SSR type and viceversa
Input Specifications
Accuracy
RTD (Pt100, Ni100)
(@ 25擄C 鹵 5擄C, R.H.
鈮?/div>
60%)
TC (J, K, S)
(@ 25擄C 鹵 5擄C, R.H.
鈮?/div>
60%)
PTC (KTY81, 990
鈩?/div>
@ 25擄C)
(@ 25擄C 鹵 5擄C, R.H.
鈮?/div>
60% )
Process Signals (20 mA, 10 V)
(@ 25擄C 鹵 5擄C, R.H.
鈮?/div>
60% )
Temperature drift
RTD
TC
PTC (KTY 81, 990
鈩?/div>
@ 25擄C)
Process signals
Sampling rate
Display
Max. and min. indication
RTD/TC/PTC
Process signals
鹵 150 ppm/擄C
鹵 150 ppm/擄C
鹵 150 ppm/擄C
鹵 150 ppm/擄C
1 time/second
7-segment LED, h 12 mm
Depending on range and type
of the temperature probe
Max. 7000 (700,0),
Min. -999 (-99.9)
鹵 0.5% f.s., 鹵 1 dgt
鹵 0.5% f.s., 鹵 1 dgt
鹵 0.5% f.s., 鹵 1 dgt
鹵 0.5% f.s., 鹵 1 dgt
Specifications are subject to change without notice (16.10.00)
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