Lenze E94AYCEN - Manual (Page 45)

EDS94AYCEN EN 9.0 - 09/2012
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45
E94AYCEN communication manual (Ethernet)
Parameter data transfer
Telegram examples
7.7 Telegram examples
7.7.1 Example 1: Querying the heatsink temperature (read request)
The heatsink temperature of the controller is to be read.
 Code to be read: C00061
 Assumption: ϑ = 43°C
Request
 SDO command (GSV) = 0x82 = "Read parameter"
 GCI message qualifier (GMQ) = 0x00 = 00000000B = "Request"
 Transaction ID (GTI) here "0" (optional consecutive number 0 ... 255)
 Length of the user data (SIZE) = 0x0014 = 20 bytes
GCI header
GMT GSV GMQ GTI SIZE SIZE res res
0x01 0x82 0x00 0x00 0x14 0x00 0x00 0x00
Fixed Reading
parameters
Request Transactions ID Length of the user data = 20 bytes Reserved
User data area P0
Byte 1 Byte 2 Byte 3 Byte 4
Reserved Reserved Data type Reserved
0x00 0x00 0x00 0x00
Optional for
read request
User data area P1 User data area P2
Byte 1 Byte 2 Byte 3 Byte 4 Byte 1 Byte 2 Byte 3 Byte 4
Code Reserved Reserved Subcode Reserved Reserved
0x3D 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Code = 61 = 0x003D Subcode = 0
User data area P3 User data area P4
Byte 1 Byte 2 Byte 3 Byte 4 Byte 1 Byte 2 Byte 3 Byte 4
Reserved Reserved
0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00