Commissioning, operation – WIKA D-11-7 User Manual
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WIKA operating instructions pressure transmitter model D-1x-7
2478159.05 12/2011 GB/D/F/E
GB
Span correction, example:
For a pressure transmitter with a measuring range of 0 ... 25 bar, the span is 25 mbar too low.
Pressure range 0 ... 25 bar
Span: 25 bar
Span offset
Offset: -0.025 bar
Error detection
Byte 4 (error status) and byte 5 (error code) contain the error messages.
The error status shows whether there is an error present. If there is an error,
this can be read via the error code (see example).
Example
Error code 42
hex
corresponds to binary 01000010, i.e. bit 1 and 6 are set.
▶ Error correction through reset.
The encoding should be read from the following diagram.
6. Commissioning, operation
Correction value = - Span offset x 50,000
Span
Correction value = - -0.025 bar x 50,000
25 bar
Correction value = -50
0xFFCE
Output data
0x23
0xFF
0xCE
Send message
Byte 4
Byte 5
Error status
Error code
Error status
■
No error: 0x0A
■
Error: 0x0E
Error code
■
No error: 0x00
■
Fault: See example