Expanded Diagnosis - Siemens SITRANS DA400 Operating Instructions Manual

PROFIBUS PA

11.3 Expanded diagnosis

Format of the analog input data (slots 1 to 8, Al1 to Al8):
4 bytes
1 byte
Format of the digital input data (slots 9 to 12, Dl1 to Dl8):
1 byte
1 byte
Format of the digital output values on the device (slot 13, D15):
1 byte
1 byte
Digital output high: -> associated bit = 1
The "condensed_status" of the PROFIBUS Profile 3.01 is used as status.
The following are supported:
Value
0x23
0x24
0x4B
0x4F
0x80
0x8A
0x8E
0x84
0x3F
1)
2)
3)
11.3 Expanded diagnosis
Various error conditions in the item or in the connected sensor signals from the PROFIBUS
master are read out in the expanded diagnosis function. The error conditions are given in
text in "HW Konfig". The core file of the item (GSD) provides the text for these messages.
82
IEEE floating value
Measurement status
Digital signal 0x00 (low) or 0x01 (high)
Measurement status
Reserv. Reserv.
Value status (always 0x80)
Meaning
Bad, passive
Bad, maintenance required
Unsafe, substitute value
Unsafe, initial value
Good, no alarm
Good, pre-alarm overridden
Good, major alarm overridden
Update event
Bad, functional check
With the "Fail safe type" object of the associated input-block = 2
With the "Fail safe type" object of the associated input-block = 0 or 1
For the "fail safe type" of the associated input block = 1 if no applicable substitute value is
available.
SITRANS DA400 for oscillating positive displacement pumps with protection against explosion
DO6 DO5 DO4
Comment
Associated measurement channel parameter "off"
Sensor or signal fault
Sensor or signal fault
Sensor or signal fault
Only for acoustic channels
For 10 seconds after a change in parameter
Only for acoustic channels
Operating Instructions, 10/2007, A5E00841127-01
DO3 DO2 DO1
1)
2)
3)