Calex PCAN21 Manuel de l'opérateur - Page 7

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READING THE MEASURED TEMPERATURE
Example message received from sensor:
Bytes
DLC
Value
8
Hex
Encoding
Decimal
COMMANDS
Get Emissivity Setting [0x86]
After this command is sent, the sensor will return the emissivity setting as a floating point value as
follows:
Value
No value is sent. The sensor will return the emissivity setting.
Encoding
Float
Hex
0x00000000
Bytes
DLC
DATA0
Value
5
0x86
Command ID
After the following commands are sent, the sensor will send back the same data as an "echo" to
confirm it was received:
Set Emissivity Setting [0x06]
Value
0.95
Encoding
Float
Hex
0x3F733333
Bytes
DLC
DATA0
Value
5
0x06
Command ID
Set CAN ID [0x0D]
Value
13
Unsigned Integer
Encoding
Hex
0x0000000D
Bytes
DLC
DATA0
Value
5
0x0D
Command ID
Note: Changing the CAN ID is effective immediately and therefore any following commands must be to the new CAN
ID.
Object Temperature
DATA0
DATA1
DATA2
0x51
0x39
0xB2
0x41B23951
Float
22.28 °C
DATA1
DATA2
0x00
0x00
Send the command with these bytes empty.
The sensor will return the emissivity setting in
these bytes as a floating-point value.
DATA1
DATA2
0x33
0x33
Emissivity Setting
DATA1
DATA2
0x0D
0x00
CAN ID
Ihr Schweizer Industriepartner
Ambient Temperature
DATA3
DATA4
0x41
0xA4
DATA3
DATA4
DATA5
0x00
0x00
-
DATA3
DATA4
DATA5
0x73
0x3F
-
DATA3
DATA4
DATA5
0x00
0x00
-
www.digiparts.ch
DATA5
DATA6
DATA7
0x70
0xDF
0x41
0x41DF70A4
Float
27.93 °C
DATA6
DATA7
-
-
DATA6
DATA7
-
-
DATA6
DATA7
-
-
7