Hamilton Electronics EPHUM011 - Manual (Page 53)

pH ARC Sensors Modbus RTU Programmer ’ s Manual (EPHUM011)
624300/01 page 53 / 67
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
register Number of
registers Reg1 / Reg2
(Bit, see figure 2.7.10.2.8) Modbus
function code Read
access Write
access
9528 2 Availability of the 12 cal. standards 3, 4 U/A/S none
Figure 2.7.10.2.6: Definition of register 9528
Command: Available standards Modbus address: 9528 Length: 2 Type: 3
Read
Parameter: Standard fields
Format: Hex
Value: 0x0FFF0FFF
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
Standard within the
selected set Calibration type
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
12-15 not available
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
28-31 not available
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