
12
Technical data
PROFINET IO controller communication protocol
Manual – MOVI-C
®
CONTROLLER progressive UHX65A-M
53
12
Technical data
12.1
PROFINET IO controller communication protocol
Parameter
Description
Maximum number of PROFINET
IO devices/AR (Application Rela-
tion)
•
128 (RT)
•
64 (IRT)
Maximum number of PROFINET
IO devices/AR depending on send
cycle
•
16 AR maximum at send cycle of 1 ms
•
64 AR maximum at send cycle of 2 ms
Send cycle
•
RT mode: 1 ms, 2 ms, 4 ms
•
IRT mode: 1 ms, 2 ms, 4 ms
Maximum number of cyclic input
data
5652 bytes (including IOxS status bytes)
Maximum number of cyclic output
data
5760 bytes (including IOxS status bytes)
Maximum number of cyclic input
data per IO device
1440 bytes (including IOxS status bytes)
Maximum number of cyclic output
data per IO device
1440 bytes (including IOxS status bytes)
Maximum number of submodules
2048
Maximum speed for acyclic read-
ing/writing (record access)
65 535
Alarm handling
Supported by means of the IEC user program
Diagnostics data
200-byte buffer per IO device
DCP functions via API
(DCP = Discovery and Configura-
tion Protocol)
(API = Application Programming In-
terface)
•
DCP SET NameofStation (IO device name
assignment)
•
DCP SET IP (set the IP parameters of the
IO device)
•
DCP SET SIGNAL (IO device signal)
•
DCP Reset FactorySettings (reset IO device
to factory settings)
•
DCP IDENTIFY (bus scan)
•
DCP GET (retrieve the data set of the IO
device)
Supported protocols
•
RTC - Real Time Cyclic Protocol, Class 1
•
RTA - Real Time Acyclic Protocol
•
DCP - Discovery and configuration Protocol
•
CL-RPC - Connectionless Remote Proce-
dure Call
Functions
•
Fast startup of PROFINET IO devices is
supported.
•
MRP client (media redundancy station)
26881144/EN – 02/2022