Siemens SITRANS SL Operating Instructions Manual page 137

Quality byte coding for measurement output:
Table 8- 1
Dec
00
Table 8- 2
Dec
64
Table 8- 3
Dec
128
Quality byte coding of input values for process pressure and process temperature:
Table 8- 4
Dec
00
01
02
03
SITRANS SL
Operating Instructions, 12/2010, A5E01132948-04
Status coding for "bad quality":
Hex Cause
00 Maintenance fault or process value fault.
Status coding for "uncertain quality":
Hex Cause
40 Maintenance demanded or process value
warning or process value out of tolerance.
Status coding for "good quality":
Hex Cause
80 Normal operation
Status coding for "bad quality":
Hex Cause
00 Quality status of source is bad
01 Quality status of source is bad and temp.
or pressure is low limit
02 Quality status of source is bad and temp.
or pressure is high limit
03 Quality status of source is bad and temp.
or pressure is constant
Interfaces to automation systems
8.2 Modbus interface
Remedy
See alarm list
Remedy
See alarm list.
Remedy
You can evaluate the measured values.
Remedy
Depending on the PROFIBUS source the
quality status is mapped to error code
E12 for temperature or E16 for pressure.
Temperature: E12 & E13
Pressure: E16 & E17
Temperature: E12 & E14
Pressure: E16 & E18
Temperature: E12 & E15
Pressure: E16 & E19
139