Commissioning, operation – WIKA D-11-7 User Manual

Page 23

Advertising
background image

23

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

Advertising
This manual is related to the following products: