WIKA D-11-7 - Manual (Page 17)

17 WIKA operating instructions pressure transmitter model D-1x-7
2478159.05 12/2011 GB/D/F/E
GB
6. Commissioning, operation
6.4 Services
Byte 6 "Service request" contains the identifier 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