YASKAWA SI-P3V, Technical Manual

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7 Conventional Formats
YASKAWA ELECTRIC SIEP C730600 23B V1000 Option PROFIBUS-DP Technical Manual 21
• Refer to the MEMOBUS/Modbus Data Table in Appendix C of the V1000 Technical Manual for a list of monitor data
using the MEMOBUS/Modbus message area.
„
Configuration of MEMOBUS/Modbus Command Message
Table 14 shows the configuration of MEMOBUS/Modbus command messages when the Extended Data 1 is selected.
Table 14 MEMOBUS/Modbus Command Message
„
Configuration of MEMOBUS/Modbus Response Messages
Table 15 shows the configuration of MEMOBUS/Modbus response messages when the Extended Data 1 is selected.
Table 15 MEMOBUS/Modbus Response Messages
Byte
<1> Setting is needed only for the write command. Select 00H for the read command.
Name Function
16 Function code
MEMOBUS/Modbus command code:
03H: Read command (reading Drive internal data)
08H: Loop back
10H: Write command (writing data into the drive)
Other codes: Not supported
17
Starting Resistor No. Starting resistor No.
High Byte
18 Low Byte
19 Number of Data Items Sets the number of bytes to read or write (only 2, 4, 6, or 8 allowed)
20
Data 1
<1>
Data word 1
High Byte
21 Low Byte
22
Data 2
<1>
Data word 2
High Byte
23 Low Byte
24
Data 3
<1>
Data word 3
High Byte
25 Low Byte
26
Data 4
<1>
Data word 4
High Byte
27 Low Byte
28
Reserved Reserved 29
30
31
Handshaking Register Refer to Handshaking Register on page 23 .
Byte
<1> Data is returned only for the read command.
Name Function
16 Function code
MEMOBUS/Modbus response codes
00H: Waiting for response from drive
03H: Response to read operation
10H: Response to write operation
83H: Read command error
90H: Write command error
Other codes: Not supported.
17
Starting resistor No. Starting resistor No.
High Byte
18 Low Byte
19 Number of data items
Write: Set double number of written data items
Read: Set double number of read data items
20
Data 1
<1>
Data word 1
High Byte
21 Low Byte
22
Data 2
<1>
Data word 2
High Byte
23 Low Byte
24
Data 3
<1>
Data word 3
High Byte
25 Low Byte
26
Data 4
<1>
Data word 4
High Byte
27 Low Byte
28
Reserved 29
30
31
Handshaking register Refer to Handshaking Register on page 23 .