Vaddio Canon VC-C50i Programmers - Manual (Page 128)

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14. Details of System Control Commands
14.1 Alarm Output OFF
System Control Command Type 1
Function Sets the alarm output (+/ − terminal) to open.
Command 0072h
Length 1
byte Parameter
Value 0h
Status None
Reference
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 3Xh 00h 72h 30h 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
No Error :
00000000B ⇒ 00h ⇒ 30h 30h
Parameter Error : 01010000B ⇒ 50h ⇒ 35h 30h
Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Conditions for setting of error flag
Parameter Error •The designated parameter is an invalid value.
Mode Error
•Not in status of Camera ON.
•Not in status of Host Control Mode.