INFICON BPG402-SP ATM to Ultra-High Vacuum Gauge (Profibus) User Manual

Page 33

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tira47e1 (2005-08) BPG402SPv1.cp

33

This parameter indicates the detectable warnings occurring in connection with the
Pirani measuring part.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Byte 0

0

0

0

0

0

0

0

0

Byte 1

0

0

0

0

0

0

Electronics Warning

0

The Sensor Warning bits defined here are copied into the Device Block ID 28 in the
"Device Exception Detail Warning" range of the Pirani measuring part.


ID

Name

Structure Data type

Bytes Access

Store

14

Hot Cathode Block State
Command

Rec

1

1/2_W

101 Block Type

Simple

Octet
string

4

2_R

N

102 Status Extension

Simple

UINT8

1

1/2_R

V

103 Sensor Alarm

Struct

Array of
2 bytes

2

1/2_R

V

104 Sensor Warning

Struct

Array of
2 bytes

2

1/2_R

V

105 Emission Status

Simple

Boolean

1

1/2_R/W

V

106 Emission Current

Simple

FLOAT

4

1/2_R/W

N

108 Active Filament

Simple

Boolean

1

1/2_R/W

N

109 Degas Status

Simple

Boolean

1

1/2_R

V

116 Active Degas Filament

Simple

UINT8

1

1/2_R

V

119 Mode Filament Selection

(Filament User Mode)

Simple

Boolean

1

2_R/W

N

201 Emission User Mode

State

Simple

Boolean

1

1/2_R

V

According to the table in Appendix A, the Block Type ID has the value "16".

This parameter indicates that the overrange or underrange of the Hot Cathode Ion
Gauge instance is exceeded.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reseved

Underrange
Exceeded

1)

Overrange

Exceeded

2)

Reading
Invalid

3)

1)

Underrange: The parameter is set to "1", if the pressure value is below the
value defined in ID 45 (Analog Input Function Block Instance 2).

2)

Overrange: The parameter is set to "1", if the pressure value is above the value
defined in ID 44 (Analog Input Function Block Instance 2).

3)

Reading Invalid: The parameter is set to "1", if "Reading Valid" ID 23 (Analog
Input Function Block Instance 2) is set to"0".

If the instance is operated in its overrange or underrange, the corresponding bit
and additionally the bit "Reading Invalid" is set.

If an error occurs, the bit "Reading Invalid" as well as the corresponding error bits
in Device Block (ID 26, 27, 28 Device Block) are set.

3.3.2.4 Sensor Warning ID 104

3.3.3 Hot Cathode Ion Gauge

Transducer Block /
SLOT 1 / Instance 2

3.3.3.1 Block Type ID 101

3.3.3.2 Status Extension ID 102

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