CP 1626
Operating Instructions, 11/2018, C79000-G8976-C434-03
69
Configuration limits
6
Configuration limits of the IO Controller (X1)
The IO controller of the CP 1626 has the configuration limits:
Cycle time (minimum)
250 μs
Maximum amount of IO data (including IOXS) PROFINET IO cycle
6 250 bytes
250 μs
12 500 bytes
500 μs
25 000 bytes
1 ms
50 000 bytes
2 ms
10 0000 bytes
4 ms
Number of IO devices
Condition:
1 IO device has 128 bytes of input data and 128 bytes of output data
22
250 μs
45
500 μs
89
1 ms
179
2 ms
256*
4 ms
Maximum size of the data records
4096 bytes
Maximum number of IO devices
64 with IRT
Maximum number of IO devices
256 with RT
Configuration limits of the IO device (X1)
The IO device of the CP 1626 has the followi
ng configuration limits for the interface "X1":
Cycle time (minimum)
250 μs
Number of ARs (AR = Application Relation-
ship)
2
Amount of IO data per AR
1434 bytes of data minus the number of inserted modules (input or output
modules)
1434 bytes of data minus twice the number of inserted modules (input or
output mixed modules*)
Maximum module size
1024 bytes
Number of modules
512
* Mixed modules are modules that have both input and output data
