Configuration - Siemens Simatic S7-300 Technical Data Manual

6.6.3

Configuration

Introduction
You configure the integrated I/O of CPU 31xC with STEP 7. Always make these settings
when the CPU is in STOP. The generated parameters are downloaded from the PG to the
S7-300 and written to CPU memory .
You can also choose to change the parameters at SFC 55 in the user program (see the
Reference Manual
the respective parameters.
Parameters of standard DI
The table below gives you an overview of the parameters for standard digital inputs.
Table 6-7
Parameters
Input delay (ms)
The table below gives you an overview of the parameters when using digital inputs as
interrupt inputs.
Table 6-8
Parameters
Interrupt input
Interrupt input
CPU 31xC and CPU 31x, Technical data
Manual, Edition 08/2004, A5E00105475-05
System and Standard Functions
Parameters of standard DI
Value range
0,1/0,5/3/15
Parameters of the interrupt inputs
Value range
Disabled /
positive edge
Disabled/
negative edge
Technical data of CPU 31xC
6.6 Technical data of the integrated I/O
). Refer to the structure of record 1 for
Default Range of efficiency
3 Channel group
Default Range of efficiency
disabled digital input
disabled digital input
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