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pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)
624300/01 page 47 / 67
The here performed assignment was successful. The sensor is running using a valid product
calibration.
2.7.4.2.3 Product calibration: Cancel
Calibration status after cancelling an active product calibration:
Command: Calibration status CP6
Modbus address: 5318 Length: 6 Type: 3
Read
Parameter: Status Unit Value
Format: Hex Hex Float
Value:
0x00000000 0x00001000 4.5
Figure 2.7.4.2.3.1: Example to read the calibration status of CP6 after having performed a cancel
command at CP6.
The status reports no messages. The last successful calibration at CP6 has been performed at
pH 4.5.
The sensor is running on a valid standard calibration and no product calibration is stored.
2.7.4.2.4 Product calibration: Restore standard calibration
Calibration status after restoring a standard calibration from an active product calibration:
Command: Calibration status CP6
Modbus address: 5318 Length: 6 Type: 3
Read
Parameter: Status Unit Value
Format: Hex Hex Float
Value:
0x10000000 0x00001000 4.5
Figure 2.7.4.2.4.1: Example to read the calibration status of CP6 after having restored the standard
calibration from an active product calibration (CP6).
The status says: “CP6 assigned”(0x10000000). The last successful calibration at CP6 has been
performed at pH 4.5.
The sensor is running on a valid standard calibration but a valid product calibration is still
available in the sensor.
2.7.4.2.5 Product calibration: Restore product calibration
Calibration status after restoring an available product calibration from an active standard calibration:
Command: Calibration status CP6
Modbus address: 5318 Length: 6 Type: 3
Read
Parameter: Status Unit Value
Format: Hex Hex Float
Value:
0x14000000 0x00001000 4.5
Figure 2.7.4.2.5.1: Example to read the calibration status of CP6 after having restored an available
product calibration (CP6) from an active standard calibration (CP1 / CP2).
The status says: “CP6: active”(0x04000000) and “CP6: assigned”(0x10000000). The last
successful calibration corresponding to the here performed assignment has been performed at
pH 4.5.
The sensor is running on a valid product calibration again.