INFICON BCG450-SP ATM to Ultra-High Vacuum Triple Gauge (Profibus) - Manual (Page 36)

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tira41e1 (2005-06) BCG450SPv1.cp
If the Setpoint Function is set to Atmosphere Control and the relay is closed, this
byte is set to one, if the relay is open or not energized, the value is zero.
Additionally the following information is copied into the Manufacturer Exeption
Detail Warning:
• Bit 1 of Manufacturer Exeption Detail Warning is set if relay A is energized and
atmospheric pressure is reached.
• Bit 2 of Manufacturer Exeption Detail Warning is set if relay B is energized and
atmospheric pressure is reached.
ID Name Structure Data type Bytes Access Store
120 One Of N Status
Extension Simple UINT8 1 1_R
2_R V
This parameter indicates whether the overrange or underrange of the gauge is
exceeded.
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
0 0 0 0 0 Underrange
Exceeded
Overrange
Exceeded
Reading
Invalid
If the gauge is operated in its overrange or underrange (p < 5×10
-10
mbar or
p > 1500 mbar), 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.
ID Name Structure Data type Bytes Access Store
101 Block Type Simple Octet string 4 2_R
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
According to the table in Appendix A, the Block Type ID has the value "13".
This parameter indicates whether the overrange or underrange of the Heat
Transfer Vacuum Gauge device instance is exceeded.
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
0 0 0 0 0 Underrange
Exceeded
Overrange
Exceeded
Reading
Invalid
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.
This parameter indicates the detectable errors occurring in connection with the
Pirani measuring part. The present implementation allows detection of one error.
Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
Byte 0 0 0 0 0 0 0 0 0
Byte 1 0 0 0 0 0 0 Electronics Failure 1) 0
1)
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 Pirani measuring part.
3.2.5.8 Atmosphere Reached
3.3 Transducer Block
3.3.1 One Of N Vacuum Gauge
Transducer Block /
SLOT 1
3.3.1.1 One Of N Status Extension
3.3.2 Heat Transfer Vacuum
Gauge Transducer
Block / SLOT 1 /
Instance 1
3.3.2.1 Block Type
3.3.2.2 Status Extension
3.3.2.3 Sensor Alarm