SEC 3120 16-bit Modbus Manual
Page 20 Of 46
Sensor Electronics Corporation
For Version 1.2 and above
December 2012
P/N 1580282, Rev. 1, 20121228
Modbus 16-bit Holding Register Map
Table 1: Overall 16-bit Holding Register Region Map
Region
Address Range
Description
0
42001 – 42100
Apply parameter subset to all Sensors
1
42101 – 42200
Sensor 1 Parameters
2
42201 – 42300
Sensor 2 Parameters
3
42301 – 42400
Sensor 3 Parameters
4
42401 – 42500
Sensor 4 Parameters
5
42501 – 42600
Sensor 5 Parameters
6
42601 – 42700
Sensor 6 Parameters
7
42701 – 42800
Sensor 7 Parameters
8
42801 – 42900
Sensor 8 Parameters
9
42901 – 43000
3120 Unit Parameters
Table 2: Region 0: All Sensors- Write only
Holding Register
Address Range
ALL Sensor Register Description (Write Only)
(See Parameter Tables for specifics)
42004 - 07
Alarm Set Points (Scaled)
42011
Network Zone ID (with password)
42019 - 27
Alarm Set Points (IEE 754 32-bit floating point)
42028 - 39
Calibration Value (IEE 754 32-bit floating point)
42040
Start Self Test
Table 3: Regions 1 - 8: Sensors (x = region/sensor #)
Holding
Register
Address
Read or
Write
Sensor Register Description
(See Parameter Table for specifics)
42x01
Read
Gas Concentration (Scaled)
42x02
Read
Operating Status (bit map)
42x03
Read
Sensor Firmware Version
42x04 - x06 Read/Write
Alarm Set Points (Scaled)
42x07
Read/Write
Calibration Value (Scaled)
42x08
Read
Range Value (Scaled)
42x09
Read
Gas Factor (Scale value)
42x10
Read
Network Address ID
42x11
Read/Write
Network Zone ID
42x12
Read
Sensor Device Type Code
42x13
Read
Sensor Status Code
42x14
Read
Sensor Error Code
42x15
Read
Sensor Cell Test Warning Code
42x16
Read
Sensor Serial Number
42x17 - x18
Read
Current Gas (IEEE 754 32-bit float)
42x19 - x27 Read/Write
Alarm Set Points (IEEE 754 32-bit float)
Summary of Contents for SEC 3000
Page 15: ...Doc 1460003 Rev A Operation Manual SEC 3000 Electro Chemical Gas Sensor Page 12 of 13 ...
Page 54: ...Part Number 3100 EXP MANUAL REV 11 20141007 FIGURE 4 SEC 3100 SEC Millenium Mounting ...
Page 55: ...Part Number 3100 EXP MANUAL REV 11 20141007 FIGURE 5 SEC 3100 SEC 3000 Mounting ...
Page 56: ...TB 1 J1 TB 2 J2 1 6 1 6 1 4 1 6 TB 5 J5 TB 6 J6 ...
Page 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 ...
Page 156: ......
Page 158: ......
Page 159: ......
Page 160: ......
Page 161: ......
Page 399: ...SEC P N 1460014 Rev ECO A 000209 Page 11 of 26 ...
Page 400: ...SEC P N 1460014 Rev ECO A 000209 Page 12 of 26 ...
Page 431: ...Part Number 1460005 Revision C ...
Page 433: ...Part Number 1460005 Revision C ...
Page 434: ...Part Number 1460005 Revision C ...
Page 435: ...Part Number 1460005 Revision C ...