Technical Description
2–7
IP244
C79000–B8576–C859–02
1.4 Technical Data
Analog inputs
Number of input channels and input voltages:
as delivered
–
0 to 51.2 mV = 2048
units for thermocouples
13 (channels 0 to 12)
– 0 to 20.48 V = 2048 E 2 (channels 13 and 14)
– for Pt 100 resistance thermometer in 3-wire connection
to compensate the reference junction temperature
1 (channel 15)
configurable
– 0 to 512 mV = 2048 units
for resistance-type sensor in 4-wire connection
or
0 to 999 mV = 3997 units
for voltage sensors
15
– selectable current/voltage ranges by means
of soldered divider/shunt resistors
9 (channels 7 to 15)
Temperature ranges:
FE-constantan (type L and type J) 0 to 700 C
NiCr-Ni (type K) 0 to 1200 C
Pt 10 % Rh-Pt (type S) 0 to 1600 C
Pt 13 % Rh-Pt (type R) 0 to 1600 C
Pt 100 0 to 830 C
reference junction via Pt 100 –20 to +60C
Auxiliary current for resistance measurement 2.56 mA
Isolated no
Permissible potential difference between sensor
and reference potential of the controller (UCM) < 1 V
pp
Max. permissible input voltage without damage 18 V for channels without
series and shunt resistors
60 V for channels 13 and
14 as supplied
0 V for channel 15 (only for
passive sensors) as supplied
Input resistance
– for 0 to 51.2 mV or 512 mV > 10 Mohm
– for 0 to 20 V > 50 kohm
Errors, related to rated value (internal)
linearity 1 unit
digitalization error 1 unit
polarity reversal error 1 unit
Interference suppression for 50/60 Hz
– mains frequency with common mode interference –86 dB, max. 1 V
pp
– with series mode interference 40 dB, max. 100 % of the
measuring range, relative to
the peak value
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