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.

Table 1. Instrument Definition Response Message Fields
Instrument Definition Response
Field NameOffsetLengthType/(Value)Description
Length01BinaryLength of this message including this field
Message Type110x85 Instrument Definition Response message
Sequence24BinaryWill always be 0.
Instrument Count64BinaryNumber of Symbol Mapping and Complex Instrument Definition messages (if applicable) which will be contained in this spin
Status101Alphanumeric
  • Accepted or reason for reject. All non-'A' status codes should be interpreted as a reject.
  • A = Accepted
  • O = Out of range (Sequence must be 0)
  • S = Spin already in process (only one spin can be running at a time)
Total Length = 11 bytes
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