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176
Operating Instructions – Electronic Motor DRC.-..-DAC
9
Transmitting individual parameters via AS-Interface
Communication with AS-Interface Double Slave GLK31A
The slave replies after the system-related transmission times for parameters.
"Read response OK" response telegram:
CTT2 service
MOVILINK
®
protocol
Code
Address-
ing
Manage-
ment
Sub-
index
High
index
Low
index
MSB
data
Data
Data
LSB
data
0x50
0x01
0x31
0x00
0x20
0x87
0x00
0x00
0x00
0x14
Code 0x50 =
Read response OK
Addressing 0x01 =
Addressing the power section because this is where the parameter is stored.
Management 0x31 =
Read parameter => no MOVILINK
®
error
Subindex 0x00 =
Subindex of the parameter
High index 0x20 =
High value of the index
Low index 0x87 =
Low value of the index
=> Index of the parameter = 8893
dec
= 0x2087
hex
The value 0x2087
hex
is written to the bytes high index and low index.
Data MSB 0x00
When the MOVILINK
®
service has been executed correctly, the data bytes
transmit the heat sink temperature, e.g. 20 °C
Ⳏ
0x14.
The unscaled heat sink temperature is stored in the DRC inverter. The value
0x14 corresponds to a temperature of 20 °C.
Data 0x00
Data 0x00
Data LSB 0x14