Technical Description
IP244B
C79000–B8576–C865–01
3–7
1.4 Specifications
Analog inputs
Number of input channels and input voltages:
upon delivery
–
0 to 51.2 mV = 2048
units for thermocouples
13 (channels 0...12)
– 0 to 20,48 V = 2048 E 2 (channels 13 and 14)
– for reference junction compensation of 3-wire Pt100
resistance thermometers
1 (channel 15)
– 0 to 512 mV = 2048 units
for 4-wire RTD
or
0 to 999 mV = 3997 units
for voltage sensors
15 channels
Temperature ranges:
Fe-Constantan (type L and type J) 0... 700 C
NiCr-Ni (type K) 0... 1200 C
Pt 10 % Rh-Pt (type S) 0... 1600 C
Pt 13 % Rh-Pt (type R) 0... 1600 C
Pt 100 0... 830 C
Reference junction via Pt 100 –20... +60 C
Auxiliary current for resistance measurement 2.56 mA
Isolation
No
Permissible potential difference between any two sensors and
the reference potential of the controller (U
CM
)
AC 25 V/DC 60 V
Test voltage sensor/controller AC 500 V
Test voltage sensor/sensor AC 120 V
Max. input voltage without destruction 18 V for channels 0 ... 12
60 V for channels 13 and
14 upon delivery
0 V for channel 15 (passive
sensors only) upon delivery
Input resistance
– for 0 to 51.2 mV or 512 mV > 10 MW
– for 0 to 20 V > 50 kW
Error, related to the nominal value (internal)
Linearity 1 unit
Digitizing error 1 unit
Polarity reversal error
1 unit
Noise suppression for 50/60 Hz
– Mains frequency with common mode interference –100 dB
– with series-mode interference –40 dB, max. 100 % of range,
related to the peak value
To Next Page
Loading...
Need help?
General
