pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)
Command: SIP definition |
| Modbus address: 4988 | Length: 8 | Type: 16 | Write | ||
Parameter: | T min [°C] | T | max [°C] | Time min [min] | Empty |
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Format: | Float | Float | Float |
| Float |
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Value: | 120 | 130 | 30 |
| 0 |
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Figure 2.8.5.3: | Example to write the | SIP definitions. |
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Command: SIP definition |
| Modbus address: 4988 | Length: 8 | Type: 3 | Read | ||
Parameter: | T min [°C] | T | max [°C] | Time min [min] | Empty |
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Format: | Float | Float | Float |
| Float |
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Value: | 120 | 130 | 30 |
| 0 |
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Figure 2.8.5.4: | Example to read the | SIP definitions. |
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Command: CIP definition |
| Modbus address: 4996 | Length: 8 | Type: 16 | Write | ||
Parameter: | T min [°C] | T | max [°C] | Time min [min] | Empty |
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Format: | Float | Float | Float |
| Float |
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Value: | 80 | 100 | 30 |
| 0 |
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Figure 2.8.5.5: | Example to write the | CIP definitions. |
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Command: CIP definition |
| Modbus address: 4996 | Length: 8 | Type: 3 | Read | ||
Parameter: | T min [°C] | T | max [°C] | Time min [min] | Empty |
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Format: | Float | Float | Float |
| Float |
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Value: | 80 | 100 | 30 |
| 0 |
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Figure 2.8.5.6: Example to read the CIP definitions.
2.8.6 Reading the Sensor’s Quality Indicator
In register 4872 the sensor’s quality indicator |
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Start | Number of |
| Reg1 / Reg2 |
| Modbus | Read |
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register | registers |
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| function | access | access |
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| code |
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4872 | 2 |
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| Quality [%] |
| 3, 4 | U/A/S | none |
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Figure 2.8.6.1: Definition of register 4872. |
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Command: Quality indicator | Modbus address: 4872 | Length: 2 |
| Type: 3 | Read | |||||||
Parameter: | Quality [%] |
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Format: |
| Float |
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Value: |
| 100 |
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Figure 2.8.6.2: Example to read the sensor’s quality indicator.
The sensor’s quality indicator is influenced by:
Offset a pH 7
Slope
Errors
624300/01 | page 63 / 67 |