9300 Servo PLC
Connection
3-47
9300ServoPLC EN 1.4
3.4.5.2 Example: Read a parameter
The heatsink temperature (value 43°C) C0061 is to be read from the drive controller with the device
address 5 through parameter channel 1.
Calculation of identifier:
Identifier from parameter channel 1 to drive controller = 1536 + device address = 1536 + 5 = 1541
Command code = Read Request (request to read a parameter from the drive controller) = 40
hex
Calculation of the index
Index = 24575 - code no. = 24575 - 61 = 24514 = 5FC2
hex
Telegram to drive:
Command
Code
Index
Low-byte
Sub-
index
Data 1
Index
High-byte
Data 2
Data 3 Data 4
Identifier
C2 5F
00 00 00 00
1541 40 00
Abb. 3-20 Telegram to drive
Telegram from drive:
Command
Code
Index
Low-byte
Sub-
index
Data 1
Index
High-byte
Data 2
Data 3 Data 4
Identifier
C2 5F
B0 8F 06 00
1413 43 00
Abb. 3-21 Telegram from drive:
Identifier for parameter channel 1 from drive controller= 1408 + device address = 1413
Command code = Response to the read request with the actual value = 43
hex
Index of the read request = 5FC2
hex
Subindex = 0 (no subindex available for C0061)
Data 1 ... Data 4 = 43 °C
⋅ 10.000 = 430.000 = 00068FB0
hex