Application and functions
1.6 Compatibility with the previous product
CP 342-5 / CP 342-5 FO
24 Manual, 07/2017, C79000-G8976-C146-10
Note
What to do with a slot left empty
If you cannot eliminate gaps in the slots left by replacing modules by closing up the
remaining modules, you will need to use a dummy module (6ES7 370
-0AA01-0AA0). The
dummy module is is not configured and does not occupy any address space.
he address switch on the rear of the module must be set to "Non Address
Compatibility in the user program in DP mode
Device-dependent differences on the program block interface
Compared with previous modules, the CP 342-5/342-5 FO reacts differently in the following
ways. Remember the effects in your user program. The following table provides an overview:
Table 1- 3 Changes in response
Response of the device types
CP 342-5 6GK7 342-5DA00-0XE0
CP 342-5 6GK7 342-5DA01-0XE0
New response of the device types
CP 342-5 6GK7 342-5DA02-0XE0
CP 342-5 6GK7 342-5DF00-0XE0
CP 342-5 6GK7 342-5DA03-0XE0
1. DPSTATUS output parameter
DP master mode: Bit 6: Display of "received data
Bit 6: is no longer set
DP slave mode:
Bit 3: Display of "No frame from DP
master within the watchdog time"
Bit 4: Display of "DP data overflow"
Bit 3: is no longer set
2. DP modes A distinction is made between
The STOP mode is mapped to the OFFLINE
3. Set current DP mode - is supported - With the version of the CP 342-5 described
here, the following job parameters are no
longer supported for program block DP_CTRL
with CTYPE 4:
• RUN with AUTOCLEAR
• RUN without AUTOCLEAR