Siemens SIMATIC C7-635, Manual

Page: 81 / 92

Technical Specifications
A-19
C7-635 Control System
A5E00155581-04
Interference Suppression, Error Limits
Interference voltage suppression for f = n x (f1+/– 1 %),
(f1 = interference frequency), n = 1, 2
•
Common mode interference
(VCM < 8.0 V)
> 40 dB
•
Feedback interference (peak
value of the interference <
rated value of the input range)
> 30 dB
Crosstalk between the inputs > 50 dB
Operational error limits (throughout temperature range, relative to input range)
•
Voltage/current < 1 %
•
Resistance < 5%
Basic error limits (operational limit at 25 ° C, relative to input range)
•
Voltage/current < 0.7%
•
Resistance < 3%
Temperature error (related to input
range)
+/– 0.006 %/K
Linearity error (related to input
range)
+/– 0.06%
Accuracy of reproducibility (in
steady state at 25 ° C, relative to
input range)
+/–0.06%
Status, Interrupts, Diagnostics
Interrupts
•
No interrupts when operated as standard I/O
•
When using the technological functions,
see CPU 31xC Technological Functions manual
Diagnostic functions
•
No diagnostics when operated as standard I/O
•
When using the technological functions,
see CPU 31x Technological Functions manual
Siemens Controls