Baumer BA DACU 820 - Handbuch (Seite 17)

DACU_820_BA_V2_1M.doc 33/40 Baumer Electric AG
Frauenfeld, Switzerland
6.2.9 Baud rate
The DACU send the answer (ACK;06h) with the previous baud rate back to the master and changes
afterwards to the new baud rate.
Command data structure:
Example: 38’400Baud
Start command P. 1 Checksum
02h 68h 37h 31h
STX h 7 1 (A1h)
Parameter 1 5: 9'600 (default)
6: 19’200
7: 38’400
8: 57’600
9: 115’200
Transmission of the measuring values:
Baud Sampling rate
[Hz]
Time frame
[ms]
9k6 40 25
19k2 50 20
38k4 50 20
57k6 100 10
115k2 200 5
6.2.10 Save settings
Save the following actual settings in the E 2 Prom.
• Fix range of CH1 and CH2 or variable range
• Level of alarm output
The values will be reloaded after enabling the remote function ( 6.2.2).
Command data structure:
Start command P. 1 Checksum
02h 73h 30h 35h
STX s 0 5 (A5h)
Parameter 1 0: always 0
DACU_820_BA_V2_1M.doc 34/40 Baumer Electric AG
Frauenfeld, Switzerland
6.3 Data format Slave
6.3.1 Measuring values
Actual measuring value will be sent to the master. The measuring values are sent as hex value.
Negative values are sent as two complements.
Checksum: Sum of all hex values, always 1Byte long as ASCII-character
Answer data structure:
P. 1 P. 2 P. 3 P. 4 P. 5 Checksum
Parameter 1 a: Measuring value CH1
b: Measuring value CH2
Parameter 2 - 5 Measuring value as Hex value
Example 1:
Measuring value: 7685mV on CH1
Hex: 1E05h, Checksum 13C
P. 1 P. 2 P. 3 P. 4 P. 5 Checksum
61h 31h 45h 30h 35h 43h
a 1 E 0 5 C (13Ch)
Example 2:
Measuring value -300mV on CH2
Hex: FED4h, Checksum 165h
P. 1 P. 2 P. 3 P. 4 P. 5 Checksum
61h 46h 45h 44h 34h 35h
b F E D 4 5 (165h)