West Control Solutions CI 45 - Manual (Page 55)

Thermocouples (Table 1)
Cold-junction compensation
- Internal,
Additional error:
typ.:
max
.:
ß_ 0,5 K
ß -2,5 K
- external,
- constant value 0...100 °C
Further technical data as INP1
Resistive sensors (Table 2)
Connection technique: 3-wire
Measurement span
Further technical data as INP1.
Current and voltage measuring ranges
(Table 3)
Remaining technical data as for INP1 except:
- Voltage input ranges –10 / 0...+10V and -5...+5V not possible.
- Millivolt input ranges: break monitoring always active.
DIGITAL INPUT DI1
Designed as:
a) Contact input
Connection of a potential-free contact suitable for switching “dry”
circuits.
Switched voltage: 5 V
Current: 1 mA
b) Opto-coupler input (optional)
For active control signals.
Rated voltage: 24 V DC external
Logic “0”: -3 V … 5 V
Logic “1”: 15 V… 30 V
Current requirement : max. 6 mA
Technical Data
UNIFLEX CI 45 55
Type Sensor current Measurement range Error Typical resol.
Pt100***
ß 0,25mA
-200...100(150)°C -328...212(302)°F ß 1 K 0.05 K
Pt100 -200...850°C -328...1562°F
ß 2 K
0.05 K
Pt1000 -200...850°C -328...1562°F
ß 2 K
0.05 K
KTY 11-6* -50...150°C -58...302°F
ß 2 K
0.05 K
Special* 0...4500 [** ß 0.1% 0.005%
Special* 0...450 [**
ß 0.1%
0.005%
Potentiom. 0...160 [**
ß 0.1%
0.005%
Potentiom. 0...450 [**
ß 0.1%
0.005%
Potentiom. 0...1600 [** ß 0.1% 0.005%
Potentiom. 0...4500 [**
ß 0.1%
0.005%
* Default setting is the characteristic for KTY 11-6 (-50...150°C)
** Including lead resistance
*** up to 150°C at reduced lead resistance (max. 160 [)
Table 2: Resistive inputs
Measurement range Input resistance Error Typical resol.(
Æ)
0...10 V ~ 110 k[ ß 0.1 % 0.3 mV
-10...10 V
~ 110 k[ ß 0.1 %
0.6 mV
-5...5 V
~ 110 k[ ß 0.1 %
0.3 mV
-2,5...115 mV*
? 1 M[ ß 0.1 %
4 úV
-25...1150 mV*
?1 M[ ß 0.1 %
40 úV
-25...90 mV*
?1 M[ ß 0.1 %
4 úV
-500...500 mV*
?1 M[ ß 0.1 %
40 úV
-200...200 mV*
?1 M[ ß 0.1 %
20 úV
0...20 mA 20 [
ß 0.1 %
0.8 úA
* For INP1: high-impedance, without break monitoring
Table 3: Current and voltage input