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Product overview
CX1500-M510, CX1500-B510
107
Version: 1.0
The same pair of identifiers is used for both upload and download. The telegrams, which are always 8 bytes
long, encode the various services in the first data byte. All parameters with the exception of objects 1008h,
1009h and 100Ah (device name, hardware and software versions) are only at most 4 bytes long, so this
description is restricted to transmission in expedited transfer.
Protocol
The structure of the SDO telegrams is described below.
Client -> Server, Upload Request
11 bit
identifier
8 bytes of user data
0x600
(=1536de
z) + node
ID
0x40
Index0
Index1
SubIdx
0x00
0x00
0x00
0x00
Parameters
Explanation
Index0 Index low byte (Unsigned16, LSB)
Index1 Index high byte (Unsigned16, MSB)
SubIdx Sub-index (Unsigned8)
Client -> Server, Upload Response
11 bit
identifier
8 bytes of user data
0x580
(=1408de
c) + node
ID
0x4x
Index0
Index1
SubIdx
Data0
Data1
Data2
Data3
Parameters
Explanation
Index0 Index low byte (Unsigned16, LSB)
Index1 Index high byte (Unsigned16, MSB)
SubIdx Sub-index (Unsigned8)
Data0 Data low low byte (LLSB)
Data3 Data high high byte (MMSB)
Parameters whose data type is Unsigned8 are transmitted in byte D0, parameters whose type is Unsigned16
use D0 and D1.
The number of valid data bytes is coded as follows in the first CAN data byte (0x4x):
Number of param-
eter bytes
1
2
3
4
First CAN data byte 0x4F
0x4B
0x47
0x43
Содержание CX1500-B310
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