Logon and LogOff

bothbothMDOBTRDCRQ

Tag	Name	Required	Notes
98	`EncryptMethod`	Required	`0`=None
108	`HeartBtInt`	Required	Heartbeat interval in seconds; default 30
141	`ResetSeqNumFlag`	Optional	`Y`=Reset sequence numbersY to reset sequence numbers; used on MD and OB sessions

To start a FIX session with OpenYield, send a Logon (35=A) message. OpenYield will confirm with its own Logon (35=A).

Subscribers send:

8=FIX.4.4 9=77 35=A 34=8 49=OPENEMS-TR 52=20231031-15:24:48.131 56=OPENYIELD-TR 98=0 108=30 10=106

OpenYield responds with:

8=FIX.4.4 9=77 35=A 34=8 49=OPENYIELD-TR 52=20231031-15:24:48.132 56=OPENEMS-TR 98=0 108=30 10=107

bothbothMDOBTRDCRQ

Tag	Name	Required	Notes
58	`Text`	Optional	Optional reason for logout

To end a session, send a Logout (35=5) message.

Market Data and Order Book sessions always reconnect with ResetSeqNumFlag (141=Y):

8=FIX.4.4 9=83 35=A 34=1 49=OPENYIELD-MD 52=20230612-14:30:28.985 56=OPENEMS-MD 98=0 108=30 141=Y 10=114