Siemens CP 342-5 - 1.4 Performance data and behavior in operation

Application and functions
1.4 Performance data and behavior in operation
CP 342-5 / CP 342-5 FO
Manual, 07/2017, C79000-G8976-C146-10
11
– Free layer 2 connections (SDA, SDN)
– Broadcast
– Multicast
The services of the CP 342-5/342-5 FO listed here can be used independently at the
same time.
1.4
Performance data and behavior in operation
1.4.1
Transmission speeds supported
The transmission speed is set with the SIMATIC STEP 7 configuration software. For
permitted values, refer to Table 6-1 CP 342-5 (Page 41) and Table 6-2 CP 342-5 FO
(Page 41)
Note
Remember the cable length
The permitted cable length must be kept to depending on the transmission speed. Refer to
the information in
/3/ (Page 48)
1.4.2
Characteristic data of the DP interface / DP master
General characteristic data
When operating the CP 342-5/342-5 FO as a DP master, the following characteristic data is
significant:
Characteristic
Explanation / values
Number of operable DP slaves
124 max.
Total number of operable slots
1024 max.
Size of the DP data areas (total):
• DP input area
• DP output area
2160 bytes max.
2160 bytes max.
Size of the DP data areas (per DP slave):
• DP input area
• DP output area
244 bytes max.
244 bytes max.
Size of the DP diagnostics data:
240 bytes per DP slave
PROFIBUS address range for DP master mode
1 - 125