pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)
Register 9528 defines for the selected set of calibration standards:
the available calibration standards for manual selection of the pH value
the available calibration standards for automatic recognition of the pH value
Start | Number of | Reg1 / Reg2 |
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register | registers | (Bit, see figure 2.7.10.2.8) | function code | access | access |
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9528 | 2 |
| Availability of the 12 cal. standards | 3, 4 | U/A/S | none |
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Figure 2.7.10.2.6: Definition of register 9528 |
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Command: Available standards | Modbus address: 9528 | Length: 2 | Type: 3 | Read | ||||
Parameter: | Standard fields |
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Format: |
| Hex |
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Value: |
| 0x0FFF0FFF |
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Figure 2.7.10.2.7: Example to read the information of register 9528. For the definition of the bits, see Figure 2.7.10.2.8. The value 0x0FFF0FFF says that (for the selected set of calibration standards):
all 12 calibration standards are available for manual calibration
all 12 calibration standards are available for automatic recognition.
Bit | Hex code | Index of Calibration | Calibration type |
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| Standard within the |
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| selected set |
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0 (LSB) | 0x00000001 | 1 | manual selection |
1 | 0x00000002 | 2 | manual selection |
2 | 0x00000004 | 3 | manual selection |
3 | 0x00000008 | 4 | manual selection |
4 | 0x00000010 | 5 | manual selection |
5 | 0x00000020 | 6 | manual selection |
6 | 0x00000040 | 7 | manual selection |
7 | 0x00000080 | 8 | manual selection |
8 | 0x00000100 | 9 | manual selection |
9 | 0x00000200 | 10 | manual selection |
10 | 0x00000400 | 11 | manual selection |
11 | 0x00000800 | 12 | manual selection |
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| not available |
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16 | 0x00010000 | 1 | automatic recognition |
17 | 0x00020000 | 2 | automatic recognition |
18 | 0x00040000 | 3 | automatic recognition |
19 | 0x00080000 | 4 | automatic recognition |
20 | 0x00100000 | 5 | automatic recognition |
21 | 0x00200000 | 6 | automatic recognition |
22 | 0x00400000 | 7 | automatic recognition |
23 | 0x00800000 | 8 | automatic recognition |
24 | 0x01000000 | 9 | automatic recognition |
25 | 0x02000000 | 10 | automatic recognition |
26 | 0x04000000 | 11 | automatic recognition |
27 | 0x08000000 | 12 | automatic recognition |
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| not available |
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Figure 2.7.10.2.8: Availability / Selection for the 12 calibration standards within one given set. Bit 0-11 define availability of standards 1-12 for manual calibration.
Bit 16-27 define availability of standards 1-12 for automatic recognition Register 9528: the corresponding calibration standard is available if bit is set Register 9530: the corresponding calibration standard is selected if bit is set
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