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8026666/AE00/V1-0/2021-03| SICK A D D E N D U M T O O P E R A T I N G I N S T R U C T I O N S | VISIC100SF, VISIC50SF
Subject to change without notice
INSTALLATION 3
3.2 Commissioning
3.2.1 PROFIBUS DP-V0 (optional)
3.2.1.1 Coding of visibility measured value status
Every VISIC100SF measured value has a measured value status. This measured value
status provides additional information on the status of the measured value. The following
Tables show the measured value status coding and significance.
Table 3: Coding of measured value status of visibility
Table 4: Coding of measured value status of temperature sensor
Table 5: Coding of measured value status of gas cells
Priority Status K-value, dust
Status byte
PROFIBUS/
Modbus
Status byte designation
Mainte-
nance
request
Device
fault
Analog
output
1 No error active 0x80 Good - OK Inactive Inactive
Measured
value
2
Measured value dynamic
below limit value
0xA4 Good - maintenance required Active Inactive
Measured
value
3 Contamination 1
st
level 0xA4 Good - maintenance required Active Inactive
Measured
value
4 Measuring range overflow 0x68 Uncertain - high limit Inactive Inactive
23 mA
20 mA
[1]
5 Contamination 2
nd
level 0x68 Uncertain - maintenance demanded Active Active 1 mA
6 Error μC 0x79 Bad - maintenance alarm Inactive Active 1mA
7 Threshold LED 0x24 Bad - maintenance alarm Inactive Active 1 mA
8 Error FPGA 0x24 Bad - maintenance alarm Inactive Active 1mA
[1] When using control unit TAD with I/O modules
Priority
Status temperature
sensor
Status byte
PROFIBUS/
Modbus
Status byte designation
Mainte-
nance
request
Device
fault
Analog
output
1 No error active 0x80 Good - OK Inactive Inactive
Measured
value
2
Measuring range
underflow
0x79 Uncertain - low limit Active Inactive 1mA
3 Sensor error 0x24 Bad - maintenance alarm Active Inactive 1 mA
4 Error μC 0x24 Bad - maintenance alarm Active Inactive 1mA
- Sensor not activated 0x23 Bad - passivated Inactive Inactive 1 mA
Priority Status gas cell
Status byte
PROFIBUS/
Modbus
Status byte designation
Mainte-
nance
request
Device
fault
Analog
output
1 No error active 0x80 Good - OK Inactive Inactive
Measured
value
2 Sensor test running 0xBC Good - internal function check Inactive Inactive
Measured
value
3
Operating hours 1
st
level
0xA4 Good - maintenance required Active Inactive
Measured
value
4 Operating hours2
nd
level 0x68 Uncertain - maintenance demanded Active Active 1mA
5 Measuring range overflow 0x7A Uncertain - high limit Inactive Active
23 mA
20 mA
[1]
5
Measuring range
underflow
0x79 Uncertain - low limit Inactive Active 1mA
6 Start / heating up time 0x3C Bad - function check Inactive Active 1 mA
7 Hardware error / cell 0x24 Bad - maintenance alarm Inactive Active 1mA
8Error μC 0x24 Bad - maintenance alarm Inactive Active 1 mA
- No cell present 0x23 Bad - passivated Inactive Inactive 1mA
[1] When using control unit TAD with I/O modules