Technical data

Index Protocols and Communication Data List
B-5
P/N 7135049A
E 2007 Nordson Corporation
VBC_Siemens
Index Protocol and Data Image
The data blocks are always the same length. The sequence of the data
image must be followed (1st block: outputs, 2nd data block: inputs).
NOTE: Add the assembly CP 3425 to the S7 hardware configuration of
the customer’s master. Add a universal board to position 1.
Data Image Direction of data flow
44 bytes, consistent, outputs Transmission data block
24 bytes, consistent, inputs Receive data block
NOTE: The Profibus address in the assembly CP 3425 is standardly
address 10.
Transmission data block (extended)
Byte address Format Designation
N Word Melter control 1
Bit 0: Heaters ON/OFF
Bit 1: All motors ON/OFF (collective enable)
Bit 2: Line started / stopped *
* Applies to the features pressure build-up and flow control,
variation 1 (box:14, code:T)
Bit 3: Standby
Bit 4: Key-to-line / manual mode (for all motors)
Bit 5 to
15:
Reserved
N + 2 Word Melter control 2
Bit 0: Enable motor 1
Bit 1: Enable motor 2
...
Bit 11: Enable motor 12
Bit 12
to 15:
Reserved
N + 4 Word Command
N + 6 Word Data index
N + 8 Word Channel number
N + 10 Word Write data value*
* Values with decimal places must be multiplied by the factor 10.
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