Vaddio Canon VC-C50i Programmers - Manual (Page 50)

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Format of Control Code (Example: Pan Right Start, Tilt Down Start)
d0 d1 d2 d3 d4 d5 d6 d7
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h 60h 31h 32h EFh
Answer Format
d0 d1 d2 d3 d4 d5
Header Device Num Error Code End mark
FEh 30h 3Xh e0 e1 EFh
⇓
Error Flag indicates in 2 figures hexadecimal and returns ASCII code value.
Example: e0 e1
In case of No Error :
00000000B ⇒ 00h ⇒ 30h 30h
In case of Busy : 00010000B ⇒ 10h ⇒ 31h 30h
In case of Parameter Error : 01010000B ⇒ 50h ⇒ 35h 30h
In case of Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Condition of Error flag to be set
Busy •In case of executing Home Position, Pedestal Initialize 1 and
Pedestal Initialize 2 commands.
•In case of executing Pan/Tilt Angle Assignment and Preset
Move commands.
•Executing Pan/Tilt running by Pedestal Control command.
Parameter Error •Assign illegal parameters.
Mode Error
•After Power ON, Not executed Pedestal Initialize.
•Not in status of Camera ON.
•Not in status of Host Control Mode.