INFICON PSG55x ATM to Medium Vacuum Gauge (EtherCAT) - Manual (Page 36)

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Highest Informational Measurement Value: Highest value that the gauge can
measure without a specified accuracy.
Highest Precision Measurement Value: Highest valid value at which the gauge is
specified with an accuracy value. Above that value, the parameter Reading Valid is
set to invalid.
Lowest Precision Measurement Value: Lowest valid value at which the gauge is
specified with an accuracy value. Below that value, the parameter Reading Valid is
set to invalid.
Index SI DataType NV Access PM Name
9023 0x01 UINT RO Sensor Warning
0x02 UINT RO Sensor Alarm
Sensor Warnings
Bit 0
0
Bit 1 Electronics Warning
Bit 2…15 0
Sensor Alarms
Bit 0
0
Bit 1 Electronics Failure
Bit 2…15 0
Index SI DataType NV Access PM Name
900E 0x01 REAL RO Input Value Trip Point 1
900F 0x02 REAL RO Input Value Trip Point 2
Input Value Trip Point 1: Trip Point Input value as referenced by Source Index (I
0x800E, SI 0x0E).
Input Value Trip Point 2: 0 Trip Point Input value as referenced by Source Index (I
0x800F, SI 0x0E).
Subindex 0x02
Subindex 0x03
Subindex 0x04
4.10.5 Information Heat
Transfer
Subindex 0x01
Subindex 0x02
4.10.6 Information Trip
Point 1/2
Subindex 0x01
Subindex 0x02