SEW-Eurodrive MOVIGEAR DAC B, Operating Instructions Manual

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156
Operating Instructions – MOVIGEAR® DAC-B
9
Transmitting individual parameters via AS-Interface
Communication with AS-Interface Double Slave GLK31A
Reading out an ID
object To check whether the communication between AS-Interface master and GLK31A option
is error-free, read out the ID object using the "read request" service.
Select index 0x00
hex
and length 0x06
hex
.
• If this service is properly transmitted to the double slave, the GLK31A double slave
replies with the response telegram 0x50
hex
"Read response OK" and the data.
• If errors occur, the GLK31A double slave sends the response telegram 0x90
hex
"Read response not OK" (for error codes, refer to the AS-Interface specification).
"Read request" service:
The slave replies after the system-related telegram runtime.
"Read response OK" response telegram:
CTT2 service
Code Index Length
0x10 0x00 0x06
Code 0x10 = Read request
Index 0x00 = ID object
Length 0X06 = Length of the ID object
CTT2 service
Code Vendor ID
High
Vendor ID
Low
Device ID
High
Device ID
Low
Output/input Firmware
version
0x50 0x00 0x0A 0x00 0x0A 0x00 0x01
Code 0x50 = Read response OK
Vendor ID High 0x00 = High value of the vendor ID
Vendor ID Low 0x0A = Low value of the vendor ID
=> Vendor ID = 0x000A
hex
= 10
dec
Device ID High 0x00 = High value of the device ID
Device ID Low 0x0A = Low value of the device ID
=> Device ID = 0x000A
hex
= 10
dec.
Output/input 0x00 = No inputs and outputs
Firmware version 0x01