Operating Instructions – Electronic Motor DRC.-..-DAC
175
9
Transmitting individual parameters via AS-Interface
Communication with AS-Interface Double Slave GLK31A
Reading out the
heat sink
temperature
Read the heat sink temperature from parameter
8327.0
as follows:
"Write request" service:
The slave replies after the system-related transmission times for parameters.
"Write response OK" response telegram:
Once the GLK31A double slave has correctly received the data, it immediately sends
the response 0x51 "Write response OK" to the master. At the same time, the
MOVILINK
®
protocol is sent to the DRC inverter.
The "Read request" service must be executed to obtain the value of the parameter read
out by the DRC inverter.
"Read request" service:
CTT2 service
MOVILINK
®
protocol
Code Index Length Address-
ing
Manage-
ment
Sub-
index
High
index
Low
index
MSB
data
Data
Data
LSB
data
0x11
0x02
0x09
0x01
0x31
0x00
0x20
0x87
0x00
0x00
0x00
0x00
Code 0x11 =
Write request
Index 0x02 =
MOVILINK
®
parameter service
Length 0x09 =
Length of the MOVILINK
®
protocol
Addressing 0x01 =
Addressing the power section because this is where the parameter is stored.
Management 0x31 =
Read parameter
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 = 8327
dec
= 0x2087
hex
The value 0x2087
hex
is written to the bytes high index and low index.
Data MSB 0x00
The value 0x00 is written to the data when the DRC parameters are read.
Data 0x00
Data 0x00
Data LSB 0x00
CTT2 service
Code
0x51
Code 0x51 =
Write response OK
CTT2 service
Code
Index Length
0x10
0x02
0x09
Code 0x10 =
Read request
Index 0x02 =
MOVILINK
®
parameter service
Length 0X09 =
Length of the MOVILINK
®
protocol