Instruction manual

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 117
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Appendix VII
Example 2:
Status Word
Values in hex notation Description
0x80 Data is GOOD.
0x4C Initial value when the unit is first started up, before a valid reading is
taken.
1
1.
At this time the LCD screen display shows ----.
0x44 The data displayed is uncertain: it is the last usable data recorded before
an LOE state occurred.
0x10 The Failsafe timer has expired: this could be caused by LOE or by a sensor
malfunction: value is BAD.
0x04 There is an error in the configuration of the function blocks in Profibus PA
2
.
2.
This could happen when a firmware download has been done, but a system reset
(P999) has not been done. This could also happen if the function blocks are not con-
figured properly using PDM or acyclic services.
0X1E The function block has been placed out of service. (You will see this only if
you read status word via acyclic services, after placing the function block
out of service
3
.)
3.
A function block is placed out of service when a Free Place module is selected to fill
the slot occupied by that function block.
0X60 The function block has been placed in simulation mode, using PDM.
0x8E Value is GOOD, but above HI HI Alarm value in associated Analog Input
block.
0x8A Value is GOOD, but above HI warning value.
0x8D Value is GOOD, but below LO LO Alarm value.
0x89 Value is GOOD, but below LO warning value.
0xC4 Bad configuration: value is BAD.
0XDE AI block out of service: value is BAD.
Floating Point Status
Distance
Space
Free
Place
— — — — —
byte 6 byte 7 byte 8 byte 9 byte 10
Free
Place
byte1 byte 2 byte 3 byte 4 byte 5
— — — — —
SITRANS LR 300.book Page 117 Monday, June 10, 2002 7:18 PM