Hamilton Electronics EPHUM011 - Manual (Page 64)

pH ARC Sensors Modbus RTU Programmer ’ s Manual (EPHUM011)
624300/01 page 64 / 67
2.9 Sensor Identification and Information
2.9.1 General Information
General information about 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 Userend FW Date 2010-04-28 3, 4 U/A/S none
1032 8 Userend FW EPHUM011 3, 4 U/A/S none
1040 8 Userend BL Date 2009-09-18 3, 4 U/A/S none
1048 8 Userend BL BL0UX012 3, 4 U/A/S none
1056 8 Userend P/N 242822/01 3, 4 U/A/S none
1064 8 Userend S/N not available 3, 4 U/A/S none
1072 8 Userend (space holder) not available 3, 4 U/A/S none
1080 8 Userend (space holder) 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 BL Date not available 3, 4 U/A/S none
1112 8 Frontend BL not available 3, 4 U/A/S none
1120 8 Frontend P/N 242828/00 3, 4 U/A/S none
1128 8 Frontend S/N not available 3, 4 U/A/S none
1136 8 Frontend (space holder) not available 3, 4 U/A/S none
1144 8 Frontend (space holder) not available 3, 4 U/A/S none
Figure 2.9.1.1: Definition of registers containing read-only sensor information.
Command: Userend Firmware Modbus address: 1032 Length: 8 Type: 3
Read
Parameter: Text
Format: Character
Value: EPHUM011
Figure 2.9.1.2: Example to 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 Sensor name 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 part 1 HAMILTON Bonaduz 3, 4 U/A/S none
1328 8 Manufacturer part 2 AG Switzerland 3, 4 U/A/S none
1336 8 Sensor type ARC e. pH Sensor 3, 4 U/A/S none
1344 8 Power supply 007..030V 0150mW 3, 4 U/A/S none
1352 8 Pressure range 0 ... 6 bar 3, 4 U/A/S none
1360 8 Sensor ID 242111-0001001 3, 4 U/A/S none
1368 8 a-length 120 3, 4 U/A/S none
1376 8 (space holder) not available 3, 4 U/A/S none
1384 8 Electrical connection VP 8.0 3, 4 U/A/S none
1392 8 Process connection PG 13.5 3, 4 U/A/S none
1400 8 Sensing material H-Glass 3, 4 U/A/S none
Figure 2.9.2.1: Definition of registers containing sensor identification.