pH ARC SensorsModbus RTU Programmer’s Manual (EPHUM011)
624300/01 page 64/ 67
2.9 Sensor Identification and Information

2.9.1 General Information

General informationabout the sensor is available as shown in the figure below.
Start
register Number of
registers Reg1…Reg8
(16 ASCII characters) Example of content Modbus
function
code
Read
access Write
access
1024 8 UserendFW Date 2010-04-28 3, 4 U/A/S none
1032 8 UserendFW EPHUM011 3,4 U/A/S none
1040 8 UserendBL Date 2009-09-18 3,4 U/A/S none
1048 8 UserendBL BL0UX012 3, 4 U/A/S none
1056 8 UserendP/N 242822/01 3, 4 U/A/S none
1064 8 UserendS/N notavailable 3, 4 U/A/S none
1072 8 Userend( spaceholder) not available 3,4 U/A/S none
1080 8 Userend( spaceholder) not available 3,4 U/A/S none
1088 8 Frontend FW Date 2009-09-16 3, 4 U/A/S none
1096 8 Frontend FW EPHFI010 3, 4 U/A/S none
1104 8 Frontend BLDate not available 3, 4 U/A/S none
1112 8 Frontend BL notavailable 3, 4 U/A/S none
1120 8 Frontend P/N 242828/00 3, 4 U/A/S none
1128 8 Frontend S/N notavailable 3, 4 U/A/S none
1136 8 Frontend (spaceholder) not available 3, 4 U/A/S none
1144 8 Frontend (spaceholder) not available 3, 4 U/A/S none
Figure 2.9.1.1: Definition of registers containing read-only sensorinformation.
Command: UserendFirmware Modbus address: 1032 Length: 8Type: 3Read
Parameter: Text
Format: Character
Value: EPHUM011
Figure 2.9.1.2: Exampleto read register 1032.

2.9.2 Sensor Identification

Start
register Number of
registers Reg1…Reg8
(16 ASCII characters) Example of content Modbus
function
code
Read
access Write
access
1280 8 Part number 242111/01 3, 4 U/A/S none
1288 8 Sensorname Polilyte Plus 3, 4 U/A/S none
1296 8 Work order number 3214567 3, 4 U/A/S none
1304 8 Work order date 2010-04-30 3, 4 U/A/S none
1312 8 Serial number 0001001 3, 4 U/A/S none
1320 8 Manufacturer part1 HAMILTONBonaduz 3, 4 U/A/S none
1328 8 Manufacturer part2 AGSwitzerland 3, 4 U/A/S none
1336 8 Sensortype ARC e. pHSensor 3,4 U/A/S none
1344 8 Powersupply 007..030V 0150mW 3, 4 U/A/S none
1352 8 Pressurerange 0... 6 bar 3,4 U/A/S none
1360 8 SensorID 242111-0001001 3, 4 U/A/S none
1368 8 a-length 120 3, 4 U/A/S none
1376 8 (spaceholder) notavailable 3, 4 U/A/S none
1384 8 Electrical connection VP 8.0 3, 4 U/A/S none
1392 8 Processconnection PG13.5 3, 4 U/A/S none
1400 8 Sensingm aterial H-Glass 3, 4 U/A/S none
Figure 2.9.2.1: Definition of registers containing sensori dentification.