Technical Specifications
A-15
C7-635 Control System
A5E00155581-04
Status, Interrupts, Diagnostics
Interrupts • Yes, if the corresponding channel is configured as an interrupt
input
• 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 31xC Technological Functions manual
Data for Selecting an Encoder for Standard DI
Input voltage
• Rated value 24 VDC
• for signal “1” 15 V to 30 V
• for signal “0” –3 V to 5 V
Input current
• for signal ”1” 7 mA, typically
Delay of the standard inputs
• Configurable Yes (0.1 / 0.5 / 3 / 15 ms)
You may change the delay time of standard inputs while the program
is being executed. Please note that your new filter time may not be
effective until the next filter cycle.
• Rated value 3 ms
Input delay when using
technological functions
• Minimum pulse width /
minimum pulse interval at
maximum count frequency
8 μs
Input characteristic According to IEC 1131, Type 1
Connection of 2-wire BEROs Possible
• Permissible quiescent current Maximum 1.5 mA
Siemens Controls
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