Functions
6.10 [2.11] Settings > Pressure sensor selection
Operating with the Local User Interface
Operating Manual, 06/2017, A5E31930478-05
179
4. Change the process tag assignment:
– Check the displayed process tag assignment.
– "Use for process tag" > "Change" parameter field
The displayed editing window includes all available process tags.
– Activate the corresponding process tags that are to be integrated into the correction of
cross-interference. Deactivate process tags that are not used.
5. Enabling/disabling all corrections of cross-interferences (Page 179)
Enabling/disabling all corrections of cross-interferences
Procedure
1. Component > Main menu > "2 Settings" > "10 Correction" > "1 Total"
2. "All corrections" parameter field:
– "On": Only the corrections enabled in the corresponding parameter assignment are
considered as part of the process tag switchover.
– "Off": None of the configured corrections is active.
[2.11] Settings > Pressure sensor selection
6.10.1
Overview
OXYMAT 7/ULTRAMAT 7
To correct the influence of pressure on the measured value, each OXYMAT 7 or ULTRAMAT
7 analyzer module can be equipped with an internal pressure sensor. The pressure
correction with the device-internal sensor is then preset in the factory.
Alternatively, the measured value can be corrected with external process values that are
provided by another SIPROCESS GA700 device via MODBUS TCP or via an analog input
(option module 2).
With OXYMAT 7 devices the sensor is integrated in the analyzer module. The sample gas
pressure is measured directly using the reference gas infeed. Fluctuations in the sample gas
pressure can be corrected in the following areas, depending on the installed type of pressure
sensor:
● 0.5 to 1.5 bar (absolute) → "With tubes" (SENSOR_1500_HPA)
● 0.5 to 2.5 bar (absolute) → "With pipes" (SENSOR_2500_HPA)
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