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

Page 34

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34

tira47e1 (2005-08) BPG402SPv1.cp

This parameter indicates the detectable errors occurring in connection with the BA
measuring part.

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2

Bit 1

Bit 0

Byte 0

0

0

0

0

0

0

Sensor Filament 2

Alarm

1)

Sensor Filament 1

Alarm

1)

Byte 1

0

0

0

0

0

0

Electronics

Failure

2)

0

1)

Meaning

→ below, table Filament status.

2)

Electronics Failure includes a sensor error.

The Sensor Alarm bits defined here are copied into the Device Block ID 27 in the
"Device Exception Detail Alarm" range of the BA measuring part.

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

Bit 7 … 4

Bit 3

Bit 2

Bit 1

Bit 0

Byte 0

0

0

0

Sensor Filament 2

Warning

1)

Sensor Filament 1

Warning

1)

Byte 1

0

Pressure

too high for

degas

2)

0

Electronics

Warning

0

1)

Meaning

→ below, table Filament status.

2)

Pressure too high for degas: the bit is set if the pressure value is

>7.2

×10

-6

mbar during a degas command. The bit is reset if the pressure value

drops below 7.2

×10

-6

mbar.

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

Byte 0 of Sensor Alarm and Sensor Warning represents the filament status of the
gauge.

Bit 1 Bit 0

Filament status

Sensor

Filament 1

Warning

Sensor

Filament 2

Warning

Sensor

Filament 1

Alarm

Sensor

Filament 2

Alarm

0

0

both filaments OK

0

0

0

0

0

1

filament 1

interrupted,

filament 2 OK

1

0

0

0

1

0

filament 1 OK,

Filament 2

interrupted

0

1

0

0

1

1

Filament 1

interrupted,

Filament 2

interrupted

1

1

1

1

This parameter indicates the emission status of the gauge.

Emission status

Meaning

FALSE

Emission Off

TRUE

Emission On



3.3.3.3 Sensor Alarm ID 103

3.3.3.4 Sensor Warning ID 104

Filament status

3.3.3.5 Emission Status ID 105

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