Vaddio Canon VC-C50i Programmers - Manual (Page 160)

159
14.28 Cascade ON System Control Command Type 2
Function To connect cascade connection ON.
Command 008Fh
Length 1 byte Parameter
Value 1h
Status None
Reference •Cascade connection status comes out OFF by default at the moment of
power ON.
•Multiple VC-C50i (Max. 9 units) able to control by this command .
•Necessary to issue this command after issuing Cascade OFF command
(14.27).
•Device number of this command is only "3030h" fixed.
•Connected VC-C50i by this command, comes out Host Control Mode.
•Answer by this command is returned with device number of the last VC-C50i
connected in cascade.
•While Pan/Tilt moving, receiving this command causes busy error, and after
that, cascade ON operation will stop for the rest of VC-C50i.
•Note: The processing time by this command requires approx. 1 ms per unit
and 500 ms for last VC-C50i. (After that, answer will return)
•The commands issuing in process of this command will be ignored.
•After this process by this command (Cascade On Mode), each VC-C50i will
have own device number. (Device number is in order of "3031h","3032h" ....
from computer and "3030h" is Global Command for all)
•Only last VC-C50i in cascade connection returns the answer for global
command.
•By Global Notification Function (7. Cascade Global Notification and 14.41
Global Notification Setting command), each error status by global
command is known.
Format of Control Code
d0 d1 d2 d3 d4 d5 d6
Header Device Num Command Parameter End mark
FFh 30h 30h 00h 8Fh 31h 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 Mode Error : 10010000B ⇒ 90h ⇒ 39h 30h
Condition of Error flag to be set
Busy •In case of executing pedestal Pan/Tilt operation.
Mode Error •In case of operating MENU by Local Mode.