SEC 3120 16-bit Modbus Manual
Page 2 Of 46
Sensor Electronics Corporation
For Version 1.2 and above
December 2012
P/N 1580282, Rev. 1, 20121228
Table Of Contents
General Description ............................................................................................................ 3
Overall SEC 3120 Modbus Register Map .......................................................................... 4
SEC 3120 Setup and Configuration .................................................................................... 6
Modbus 16-bit Holding Register Map .............................................................................. 20
Modbus Protocol ............................................................................................................... 21
Implemented Functions and Registers Defined ................................................................ 25
Function Code 03 - Read Holding Registers .................................................................... 26
Function Code 06 - Preset Single Holding Register ......................................................... 33
Function Code 16 - Write Multiple Holding Registers ..................................................... 38
Sensor Roles and Modbus ................................................................................................. 44
List Of Tables
Table 1: Overall 16-bit Holding Register Region Map .................................................... 20
Table 2: Region 0: All Sensors- Write only...................................................................... 20
Table 3: Regions 1 - 8: Sensors (x = region/sensor #) ...................................................... 20
Table 4: Region 9: 3120 Unit Registers ............................................................................ 21
Table 5: RTU Message Frame .......................................................................................... 23
Table 6: Function Codes Supported By SEC 3120 ........................................................... 25
Table 7: Function Code 03 Read Holding Registers ........................................................ 26
Table 8: Sensor Status Code Parameter Table .................................................................. 29
Table 9: Sensor Error Code Parameter Table ................................................................... 30
Table 10: Alarm Configuration Parameter Table ............................................................. 31
Table 11: Function Code 06 Preset Holding Register ...................................................... 34
Table 12: Function Code 16 Multiple Write Holding Registers ....................................... 38
List Of Figures
Figure 1: Modbus RS485 Connections ............................................................................... 7
Figure 2: SEC 3120 User Interface ..................................................................................... 9
Figure 3: SEC 3120 Top Menu ......................................................................................... 10
Figure 4: SEC 3120 Nested Menu Navigation ................................................................. 11
Figure 5: Changing the 3120 Sensor Role ........................................................................ 13
Figure 6: Changing the 3120 Relay Logic Mode.............................................................. 14
Figure 7: Changing the 3120 Network ID Mode .............................................................. 16
Figure 8: Changing the 3120 Network ID ........................................................................ 17
Figure 9: Changing 3120 485 Bus Settings ...................................................................... 18
Содержание SEC 3000
Страница 15: ...Doc 1460003 Rev A Operation Manual SEC 3000 Electro Chemical Gas Sensor Page 12 of 13 ...
Страница 54: ...Part Number 3100 EXP MANUAL REV 11 20141007 FIGURE 4 SEC 3100 SEC Millenium Mounting ...
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Страница 101: ...Operator Manual Page 40 of 40 P N 1580281 SEC3120 Digital Transmitter Sensor Electronics Corporation Rev 10 20150707 ...
Страница 148: ...SEC 3120 Wiring TB 1 P3 TB 2 P6 1 6 1 6 1 2 3 4 1 2 3 4 7 6 5 4 3 2 1 TB 3 P1 TB 4 P5 ...
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Страница 448: ...10 VII Drawing Section Figure Title Figure 1 Wiring Diagram SEC MILLENIUM Figure 2 SEC Sensor Separation Kit ...
Страница 473: ...10 VII Drawing Section Figure Title Figure 1 Wiring Diagram SEC MILLENIUM Figure 2 SEC Sensor Separation Kit ...