Instrument Definition Response Message Fields
The Instrument Definition Response message is sent in response to a user’s Instrument Definition Request message indicating whether a spin will be sent.
| Field Name | Offset | Length | Type/(Value) | Description |
|---|---|---|---|---|
| Length | 0 | 1 | Binary | Length of this message including this field |
| Message Type | 1 | 1 | 0x85 | Instrument Definition Response message |
| Sequence | 2 | 4 | Binary | Will always be 0. |
| Instrument Count | 6 | 4 | Binary | Number of Symbol Mapping and Complex Instrument Definition (if applicable) messages which will be contained in this spin |
| Status | 10 | 1 | Alphanumeric | Accepted or reason for reject |
| Total Length = 11 bytes | ||||
| Instrument Definition Response - Status Codes | ||||
| ‘A’ | Accepted | |||
| ‘O’ | Out of Range (Sequence must be 0) | |||
| ‘S’ | Spin already in progress (only one spin can be running at a time) | |||
* All non-’A’ status codes should be interpreted as a reject.