Lenze 9300 Servo PLC, Руководство пользователя

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System bus (CAN) with Servo PLC & Drive PLC
System blocks
6.2 CAN1_IO (Drive PLC)
6-9
L
PLC-Systembus EN 1.1
Process data telegram
The process data telegram consists of an identifier and 8 bytes of user data.
11-bit 8-byte user data
Identifier Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
Identifier
Information about the identifier can be found in chapter 2.3.1.
(
^
2-2)
User data
The 8 bytes of user data to be transmitted can be written by several variables of different data types
at the same time. This allows the PLC to transmit data - as required - as:
•
binary information (1-bit)
•
quasi-analog value (16-bit)
•
phase-angle information (32-bit):
Byte Variable (1-bit) Variable (16-bit) Variable (32-bit)
1, 2 CAN1_bFDO
0
_b
...
CAN1_bFDO
15
_b
CAN1_nOutW0_a
3, 4 CAN1_bFDO 16 _b
...
CAN1_bFDO 31 _b
CAN1_nOutW1_a
5, 6 CAN1_bFDO 32 _b
...
CAN1_bFDO 47 _b
CAN1_nOutW2_a
CAN1 dnOutD1 p
7, 8 CAN1_bFDO 48 _b
...
CAN1_bFDO 63 _b
CAN1_nOutW3_a
CAN1_dnOutD1_p
Tip!
Make sure that a byte to be transmitted is not at the same time written by different variable types to
ensure data consistency.
•
For writing bytes 1 and 2, either use only the variable
CAN1_dnOutD1_p
, only the variable
CAN1_nOutW0_a or only the variables CAN1_bFDO0_b ... CAN1_bFDO15_b .
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