West Control Solutions KS 45 - Manual (Page 70)

Heating current measurement
(via current transformer)
Input resistance: approx. 49
W
Measurement span: 0...50 mA AC
Scaling: freely selectable –1,999...9,999 A
ADDITIONAL INPUT INP2
(UNIVERSAL, OPTION)
Resolution: >14 bits
Digital input filter: adjustable 0.0...9,999 s
Scanning cycle: 100 ms
Linearization: as for INP1
Measurement value correcti-
on: 2-point or offset
Type: single-ended, exept
thermocouples
Thermocouples (Table 1)
Cold-junction compensation
• internal,
- additional error: typ.:
max.:
ß_ 0,5 K
ß -2,5 K
• external,
- constant setting 0...100 °C
Remaining technical data as for INP1
Resistance thermometer
(Table 2)
Connection technology: 3-wire,
Remaining technical data as for INP1
Resistance measuring range
Remaining technical data as for INP1
Current and voltage measuring ranges
(Table 3)
Remaining technical data as for INP1 except
• Voltage input ranges -10/0...10V, -5...5V are not possible.
• Millivolt input ranges: high-impedance input for low-impedance
sources
CONTROL INPUT DI1
Configurable as direct or inverse switch or push button!
Contact input
Connection of potential-free contact that is suitable for switching
‘dry’ circuits.
Technical data
70 KS 45
measuring range inpur resistance error typ. resolution (Ô)
0...20 mA 20 [ (voltage demand ß 2,5 V)
£ 0,1 %
1,5 úA
0...10 Volt ~ 110 k [ £ 0,1 % 0,6 mV
-10...10 Volt ~ 110 k [ £ 0,1 %
1,2 mV
-5...5Volt ~ 110 k [ £ 0,1 % 0,6 mV
-2,5...115 mV* ? 1M[ £ 0,1 %
6 µV
-25...1150 mV* ? 1M[ £ 0,1 %
60 µV
-25...90 mV* ? 1M[ £ 0,1 %
8 µV
-500...500 mV* ? 1M[ £ 0,1 %
80 µV
-200...200 mV* ? 1M[ £ 0,1 %
420 µV
* for INP1: high-impedance, without break monitoring
for INP2: high-impedance, break monitoring always active
Table 3: Current and voltage input
type measuring current measuring range error typ. resolution (Ô)
Pt100***
ß 0,25 mA
-200...100 (150) °C -328...212°F ß 1 K 0,1 K
0,1 K
0,1 K
Pt100 -200...850°C -328...1562°F ß 1 K
Pt1000 -200...850°C -328...1562°F ß 2 K
KTY 11-6* -50...150°C -58...302°F ß 2 K 0,1 K
special
*
0...4500 [**
Я 0,1 %
Я 0,1 %
Я 0,1 %
Я 0,1 %
Я 0,1 % 0,01 %
0,01 %
0,01 %
0,01 %
0,01 %
special 0...450 [**
Poti 0...160 [**
Poti 0...450 [**
Poti 0...1600 [**
Poti 0...4500 [**
* Default setting is the characteristic for KTY 11-6 (-50...150°C)
** Including lead resistance
*** up to 150°C at reduced lead resistance
Table 2: Resistive inputs