Command 139: Apply SPAN Gas
This command will signal the module to accept the present sensor output to as the SPAN gas condition.
Request Data Bytes: None
Response Data Bytes:
Byte
Format
Description
0
Unsigned-8 Response Code
1
Unsigned-8 Device Status
Command 141: Force Gas Value
Request Data Bytes:
Byte
Format
Description
0
Unsigned-8 Sets the Force Gas Value, range 0 to 100
Response Data Bytes:
Byte
Format
Description
0
Unsigned-8 Response Code
1
Unsigned-8 Device Status
Command 142: Reset Force Gas Value
This command will signal the module to set the Force Gas Value to 0.
Request Data Bytes: None
Command Specific Response Data Bytes: None
Command 143: Read MODBUS RTU Register
This command allows the reading of sensor module data as defined in the MODBUS RTU register map. The index provided
is 1 byte and is referenced from base address 40000. The unsigned 16-bit data is returned in floating point format.
Request Data Bytes:
Byte
Format
Description
0-1
Unsigned-16
Index to select register with 40001 offset removed
Response Data Bytes:
Byte
Format
Description
0
Unsigned-8
Response Code
1
Unsigned-8
Device Status
2
Unsigned-8
Index to select register with 40000 offset removed
3-6
Float
Value of Modbus register
58
SMC 5100-XX-IT Toxic Gas Detector Module
13 HART
US
Summary of Contents for 5100-03-IT
Page 5: ...15 5100 88 IT Dimensions 67 SMC 5100 XX IT Toxic Gas Detector Module 5 US...
Page 20: ...mA Circuit Types 20 SMC 5100 XX IT Toxic Gas Detector Module 4 Installation US...
Page 50: ...12 Modbus Memory Map 50 SMC 5100 XX IT Toxic Gas Detector Module 12 Modbus Memory Map US...
Page 51: ...13 HART SMC 5100 XX IT Toxic Gas Detector Module 51 US 13 HART...
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