The “Description” message showcases the sensor serial number and sensor type, this is achieved through command 20 from HART protocol.
Command 20 Read Long Tag This command returns the sensor serial number and type.
Request Data bytes
Index | Type | Description |
None | ||
Response Data bytes
Index | Type | Description |
0-31 | Packed | Device Tag (6 Byte as 8 characters Packed ASCII)Latin-1 Long Tag (32 Byte - Latin-1) |
Command specific response codes
Code | Class | Description |
0 | Success | No Command-Specific Error |
16 | Error | Access Restricted |
32 | Error | Busy |
Figure 1. Sensor serial number and sensor Typeal number and sensor Type