Siemens CP 342-5, Руководство пользователя

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Compatibility with the previous product
7.3 Compatibility in the user program in DP mode
CP 342-5 / CP 342-5 FO
Manual, 10/2011, C79000-G8976-C146-09
39
Topic / relates to 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
4. Cyclic reading of the
input/output data using
program block DP_CTRL 1)
- is supported - With the version of the CP 342-5 described
here, the following services of program block
DP_CTRL are no longer supported:
CTYPE = 7
CTYPE = 8
These job types are rejected with code
8311
H
.
5. Trigger cyclic global control
via program block DP_CTRL
1
)
- is supported - The following applies to the DP master mode:
With the version of the CP 342-5 described
here, the following services of program block
DP_CTRL are no longer supported:
CTYPE = 1
These job types are rejected with code
8311
H
.
6. Trigger acyclic global control
with CLEAR job using
program block DP_CTRL 1)
- is supported - The following applies to the DP master mode:
With the version of the CP 342-5 described
here, the following services of program block
DP_CTRL are no longer supported:
CTYPE = 0 command mode = CLEAR
These job types are rejected with code
8318
H
.
7. Trigger acyclic global control
with CLEAR job using
program block DP_CTRL 1)
- is supported - The following applies to the DP master mode:
With the version of the CP 342-5 described
here, the following services of program block
DP_CTRL are no longer supported:
CTYPE = 0 group select = 0
These job types are rejected with code
8318
H
.
8. Consistency in the data
transfer between CP and user
program
The DP data area is: maximum:
 240 bytes in DP master mode

86 bytes in DP slave mode
The DP data area is: maximum:
 2160 bytes in DP master mode

240 bytes in DP slave mode

In terms of consistency, note the additional information following this table
9. Program blocks for DP mode
and for S5-compatible
communication
Depending on the configuration, the older
program block types can also be used along
with the new program block versions. Note
the version identifiers for the block library of
STEP 7.

Note the additional information on program blocks following this table
10. Program blocks: Evaluating
general properties and codes
For the CP described here, the information in
the current description of the program blocks
applies.
Refer to /4/ (Page 48).