Wika D-11-7 Manual do Utilizador descarregar pdf (Página 17)

17WIKA operating instructions pressure transmitter model D-1x-7

2478159.05 12/2011 GB/D/F/E

6. Commissioning, operation

6.4 Services

Byte 6 "Service request" contains the identier of the service performed (see table "Overview of services").

Bytes 7 and 8 "Service response 1" and "Service Response 2" contains the respective response to a

service. If there is no service request, bytes 6 ... 8 have a value of 0x00.

The request for the services is carried out via 3 byte output data (from the master). The response is in the

input data (byte 6 ... 8) in the send message.

Factor / unit (byte 3)

7 6 5 4 3 2 1 0

Unit

000 (0) bar

001 (1) res

010 (2) psi

011 (3) mmHg

100 (4) inHg

101 (5) mWs

110 (6) inWs

111 (7) res.

Value of the exponent to base 10

000 (0)

001 (1)

111 (7)

Exponent sign

0 = positive

1 = negative

Measurement type

0 = relative pressure

1 = absolute pressure

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 111 112

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Wika D-11-7 Manual do Utilizador Página 17