Technical data of CPU 31x
7.8 CPU 319-3 PN/DP
CPU 31xC and CPU 31x, Technical Data
7-46 Manual, 01/2006 Edition, A5E00105475-06
Technical data
Data length per connection, Max. 1400 bytes
Remote interconnections with acyclical
transmission
• Scan rate: Scan interval, min.
200 ms
• Number of incoming interconnections
100
• Number of outgoing interconnections
100
• Data length of all incoming interconnections,
Max.
3200 bytes
• Data length of all outgoing interconnections,
Max.
3200 bytes
• Data length per connection, (acyclic
interconnections), Max.
1400 bytes
Remote interconnections with cyclic transmission
• Transmission frequency: Minimium
transmission interval
10 ms
• Number of incoming interconnections
300
• Number of outgoing interconnections
300
• Data length of all incoming interconnections,
Max.
4800 bytes
• Data length of all outgoing interconnections
4800 bytes
• Data length per connection, (acyclic
interconnections), Max.
250 bytes
HMI variables via PROFINET (acyclic)
• Update HMI variables
500 ms
• Number of stations that can be logged on for
HMI variables (PN OPC/iMap)
2xPN OPC / 1x iMap
• Number of HMI variables
600
• Data length of all HMI variables, Max.
9600 bytes
PROFIBUS proxy functionality
• supported
Yes
• Number of coupled PROFIBUS devices
32
• Data length per connection, Max.
240 bytes (slave dependent)
interfaces
1st interface
Type of interface Integrated RS485 interface
Physics RS 485
electrically isolated Yes
Interface power supply
(15 to 30 VDC)
Max. 150 mA
Functionality
• MPI
Yes
• DP master
Yes
• DP slave
Yes
• Point-to-point connection
No
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