Functions Supported By Pn Gate - Siemens SINAMICS S120 Function Manual

11.3.7.1

Functions supported by PN Gate

PN Gate function overview
Function
Communication channels
PROFINET basic services
Accesses to process data
Consistency of the cyclic data
Network topologies
Information from the PN Gate
Activating/deactivating
Automatic address assignment
Number of IO devices
IO area in the controller
Send cycle
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
11.3 Communication via PROFINET IO
Description
Cyclic data communication:
•
– IRT
– RT
Acyclic data communication:
•
- PROFINET alarms
- Read/write data set
- TCP/IP
LLDP
•
DCP
•
SNMP
•
Access to the process image:
Subslot granular
•
Device granular
•
Each process data communication cycle can contain a data
component for IRT and RT communication
Line
•
Star
•
Tree
•
Device number
•
Slot number with the associated subslot numbers
•
IO address
•
Diagnostic addresses
•
Module ID (vendor ID and module ID)
•
Send cycles and update times
•
Activating and deactivating devices via the API without alarm
triggering
Topology-based initialization
A maximum of 64 devices
4096 bytes each, in and out
•
Maximum number of slots: 2048
•
Maximum bytes per slot/module size: 254 bytes
•
RT communication: 1 ms
•
Update times RT 2 with n = 0 to 9x send cycle
n
IRT communication
•
1 ms - 4 ms in increments of 250 μs minimum send cycle of
1 ms for 32 devices. It is permissible to reduce the data per
device.
Communication
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