Owner's manual

22 tira46e1 (2004-11) BPG402-SDv1.cp
16 Bits are used as sensor warnings. Bit 8 … Bit 16 are mapped to the Exception
Detail Warning 5, Bit 0 … Bit 7 are mapped to the Exception Detail Warning 4.
Data Component Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Sensor Warning Byte 0
0 0 0 0 0 0 Filament 2
Warning
Filament 2
Warning
Sensor Warning Byte 1
0 0 0 0
Pressure
too high for
degas
0 0 0
The bit "Pressure too high for degas" will be set if the pressure is above
7.2×10
-6
mbar when a degas service is requested. The bit will be reset when the
pressure is below 7.2×10
-6
mbar.
The following table shows the relation between filament status and the correspon-
ding Warning and Alarms.
Filamentstatus Sensor
Filament 1
Warning
Sensor
Filament 2
Warning
Sensor
Filament 1
Alarm
Sensor
Filament 2
Alarm
Both filaments O.K. 0 0 0 0
Filament 1 broken
and
Filament 2 O.K.
1000
Filament 1 O.K.
and
Filament 2 broken
0100
Filament 1 broken
and
Filament 2 broken
1111
Attribute
ID
Access
Rule
NV/
V
Name DeviceNet
Data Type
Description of Attribute Semantics of Values
3 Set / Con-
ditional:
→
Instance 1
NV Data
Type
USINT Determines the Data Type
of Value and all related
attributes as specified in
this table.
→ "Semantics" section below.
int C3 hex [default]
float CA hex
4 Get NV Data
Units
UINT Determines the Units con-
text of Value and all rela-
ted attributes.
Supported Values:
Counts 1001
h
[default]
mbar 1308
h
Torr 1301
h
Pascal 1309
h
5 Get V Reading
Valid
BOOL Indicates that the Value
attribute contains a valid
value.
0 = invalid
1 = valid
6 Get V Value INT or speci-
fied by Data
Type
The value of the
Setpoint A (Setpoint B)
relay.
7 Get V Status BYTE Alarm and Warning State
of this object instance
→ "Semantics" section below.
Behavior as Trip Point LOW
Sensor Warning
Filament status warnings
and alarms
2.4.2.5 Instance Attributes of
Instance 21 / Setpoint A
(Instance 22 / Setpoint B)