pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)
By writing to register 3466, the active physical unit for PA12 can be selected, by choosing one of the physical units that are defined in register 3464. The value of the parameter can be set as well.
Command: Moving average |
| Modbus address: 3466 | Length: 4 | Type: 16 | Write | ||
Parameter: | Unit | Value |
|
|
|
| |
Format: | Hex | Decimal |
|
|
|
| |
Value: | 0x01 | 7 |
|
|
|
|
|
Figure 2.6.3.2.4: Example to set the physical unit of PA12 to “none”(0x01) and the value of the moving average R to 7.
2.6.3.3Reading all Values for PA12
By reading register 3466, the active physical unit of measurement, the selected value, and the min and max values can be read.
Start | Number of | Reg1 / |
| Reg3 / | Reg5 / |
| Reg7 / | Modbus | Read | Write | ||||||
register | registers | Reg2 |
| Reg4 | Reg6 |
| Reg8 | function | access | access | ||||||
|
|
|
|
|
|
|
|
|
|
| code |
|
|
|
| |
3466 | 8 |
| Physical |
| Current | Min |
| Max | 3, 4 |
|
| U/A/S | none | |||
|
|
| unit |
| value | value |
| value |
|
|
|
|
|
| ||
Figure 2.6.3.3.1: Definition of register 3466. |
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
| ||||||
Command: Moving average |
|
| Modbus address: 3466 | Length: 8 |
| Type: 3 | Read |
| ||||||||
Parameter: | Unit |
| Value |
| Min value |
|
| Max value |
|
| ||||||
Format: |
| Hex |
| Decimal |
| Decimal |
|
| Decimal |
|
| |||||
Value: |
| 0x01 |
| 7 |
|
| 1 |
|
|
|
| 16 |
|
|
| |
Figure 2.6.3.3.2: Example to read PA12. The physical unit is 0x01 (“none”), the value is 7, and the limits are 1 to 16.
624300/01 | page 31 / 67 |
