Siemens SITRANS DA400 Operating Instructions Manual page 67

This information is coded in bytes 13 to 16 of the diagnosis information.
Byte
13
14
14
14
14
14
14
14
14
15
SITRANS DA400 with protection against explosion
Operating Instructions, 02/2006, A5E00684661-01
Bit Diag_Bit Meaning
.0 40 Maintenance alarm
.0 56 Internal device failure
.1 57 Sensor 1 failure
.2 58 Sensor 2 failure
.3 59 Sensor 3 failure
.4 60 Sensor 4 failure
.5 61 Universal input 1 failure
.6 62 Universal input 1 failure
.7 63 Universal input 1 failure
.0 64 Universal input 1 failure
11.3 Expanded diagnosis
Comment
Total alarm ("ORing") from Diag_Bit 56 to 64
Hardware error (check the power supply)
Possible causes:
Acoustic sensor not connected or
•
incorrectly connected
Acoustic sensor out of order
•
Input signal out of range
Possible causes:
Supply broken
Connected resizer out of order
Measured value out of the measurement
area
PROFIBUS PA
11-5