Technical data

GP (global I/Os)
Maximum number of GP objects: 2048 throughout the network
Maximum number of inputs: 256 bytes per station
Maximum number of outputs: 64 bytes per station
Maximum number of stations: 32
If CI and GP are used together, a maximum of 256 inputs and 256 outputs
can be used.
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1. The specifications for CI only apply when no ALI links are
programmed (MMAC, MSAC).
2. The sum of ALI and CI links must not exceed 48.
3. The number of possible ALI links (MMAC, MSAC) can be
reduced by the following:
the number of CI links
the number of job numbers per communication reference
the number of entries in the "access to variables" field of
the communication references (Get OL).
4. Simultaneous operation of DP and CI is not permitted.
5. Simultaneous operation of GP and CI is not possible.
B8976060/02 Technical Description and Installation of the CP 5430 TF/CP 5431 FMS
4 - 17 Volume 1