Commissioning / operation – KROHNE H250 M40 PROFIBUS PA User Manual

Page 21

Advertising
background image

COMMISSIONING / OPERATION

4

21

H250 M40 ESK4

www.krohne.com

03/2014 - 4002251801 - AD H250/M40 PROFIBUS R01 en

Status = uncertain

Status = good (Non Cascade)

Status = Limits

Check the first two quality bits in order to get the quality information of the measurement value:

• Good (Non Cascade):

Good (Non Cascade):

Good (Non Cascade):

Good (Non Cascade): function block output value is ok and can be used without restrictions

• Good (Cascade):

Good (Cascade):

Good (Cascade):

Good (Cascade): will not be supported, because it is not applicable for the device

Quality

Quality substatus

Limits

Gr

Gr

QS

QS

QS

QS

Qu

Qu

2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

0

1

0

0

0

0

= non-specific

0

1

0

0

0

1

= last usable value

0

1

0

0

1

0

= substitute-set

0

1

0

0

1

1

= initial value

0

1

0

1

0

0

= sensor conversion not accurate

0

1

0

1

0

1

= engineering unit violation (unit not in the valid set)

0

1

0

1

1

0

= sub-normal

0

1

0

1

1

1

= configuration error

0

1

1

0

0

0

= simulated value

Quality

Quality substatus

Limits

Gr

Gr

QS

QS

QS

QS

Qu

Qu

2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

1

0

0

0

0

0

= ok

1

0

0

0

0

1

= update event

1

0

0

0

1

0

= active advisory alarm

1

0

0

0

1

1

= active critcal alarm

1

0

0

1

0

0

= unacknowledged update event

1

0

0

1

0

1

= unacknowledged advisory alarm

1

0

0

1

1

0

= unacknowledged critical alarm

1

0

1

0

0

0

= initiate fail safe

1

0

1

0

0

1

= maintenance required

Quality

Quality substatus

Limits

Gr

Gr

QS

QS

QS

QS

Qu

Qu

2

7

2

6

2

5

2

4

2

3

2

2

2

1

2

0

0

0

= ok

0

1

= low limited

1

0

= high limited

1

1

= constant

AD_H250_M40_PB_PA_R01_en_4002251801_PRT.book Page 21 Friday, March 21, 2014 1:14 PM

Advertising