Read Additional Status (Service Code = 0x4C)
Read additional status is outlined as follows.
Offset | Field | Value | Definition |
|---|---|---|---|
No Requested Data |
Request Size = 0
Request Failed
The HARTIOM responds with these messages.
Offset | Field | Value | Definition |
|---|---|---|---|
0 | Status | 34 = RUNNING 35 = DEAD | Command Status |
1 | Pad | 0 | Pad byte |
Reply Size = 2
Request Succeeded
The HARTIOM responds with these messages.
Offset | Field | Value | Definition |
|---|---|---|---|
0 | Status | 00 = SUCCESS (1 byte) | Command Status |
1 | Count | 0-25 (1 byte) | Number of Ext Status bytes available |
2-26 | Ext Status Bytes | Extended Status bytes returned by CMD48 |
Reply Size = 2-28 bytes (pad byte may be attached to end since data is 16 bit aligned)
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