The “Description” message showcases the sensor serial number and sensor type, this is achieved through command 13 from HART protocol.
Command 13 Read: Device Tag, Descriptor, Date Read the Tag, Descriptor, and Date contained within the device. Only the Tag (6 Bytes or 8 Packed ASCII characters) is read here.
Request Data bytes
Index | Type | Description |
None |
Response Data bytes
Index | Type | Description |
0-5 | Packed | Device Tag (6 Byte as 8 characters Packed ASCII) |
6-17 | Packed | Descriptor (12 Byte as 16 characters Packed ASCII) |
18-20 | Date | Date of next/last device action |
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