Communication
4.2 Communication services
S7-400 Automation System, CPU Specifications
4-12 Manual, 10/2006, 6ES7498-8AA04-8BA0
GD resources of the CPUs
Table 4-5 GD resources of the CPUs
Parameters CPU 414-3 PN/DP CPU 416-3 PN/DP
Number of GD circuits per CPU Max. 8 Max. 16
GD packets transmitted by all GD circuits Max. 8 Max. 16
GD packets received by all GD circuits Max. 16 Max. 32
Data length per GD packet Max. 54 bytes Max. 54 bytes
Consistency 1 variable 1 variable
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