Siemens SIMATIC S5 Manual page 46

Technical Description
Additional error by voltage divider
(channels 13 and 14)
Temperature influence
(0 to 50 mV range)
Additional error by temperature influence in channels with
voltage divider (voltage divider temperature coefficient)
Error message for out-of-tolerance, overrange and open wire
conditions
Open wire detection
Measurement principle
Resolution of measured value (internal)
Conversion time per channel
Integration time
50 Hz mains frequency
–
60 Hz mains frequency
–
Max. cable length
for Pt 100 and linear sensors (> 500 mV)
Operation with ungrounded thermocouples
3–8
0.25 %
o
1 / / 10 Kelvin
oo
(2 E / 10 Kelvin)
o
0,5 / / 10 Kelvin
oo
(1 E / 10 Kelvin)
Yes
Yes for sensors with R <1 k
i
integrating
11 bits + sign (value + sign);
2048 units;
with Pt 100 0...4096 units
typ. 50 ms
40 ms with 0
60 ms with 2048 units
80 ms with 4096 units
20 ms
2
16 / ms
3
50 m, screened
200 m, screened
(recommended max. cable
length that may be exceeded
if appropriate noise suppres-
sion measures have been
taken)
possible if the max. common-
mode voltage is not ex-
ceeded.
IP244B
C79000–B8576–C865–01