EasyManuals Logo

Siemens SIMATIC S7 User Manual

Siemens SIMATIC S7
336 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #10 background imageLoading...
Page #10 background image
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

Table of Contents

Other manuals for Siemens SIMATIC S7

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Siemens SIMATIC S7 and is the answer not in the manual?

Siemens SIMATIC S7 Specifications

General IconGeneral
BrandSiemens
ModelSIMATIC S7
CategoryController
LanguageEnglish

Related product manuals