Sima VS-712 EX, Руководство пользователя

Страница: 18 / 30

Page 18
SVS-CONTROL Interface
The SVS-CONTROL interface on the VS-712EX lets you connect the unit to a home automation system and control the
various functions of the unit.
SVS-CONTROL Connection
The specifications of the SVS-CONTROL port are:
9600 baud
1 start, 8 bits, no parity
no handshaking
DB-15, female connector
Here is the pin out of the SVS-CONTROL port on the VS-712EX
Pin Function
1 Ground
3 Transmit
4 Receive
RS232 Command Structure
RS232 commands sent to the VS-712 consist of five bytes: a start character, an address character, a command mode
character, a sub-command character and a command data byte. There is no need to send a carriage return or line feed at
the end of the message. If these characters are sent, they will be ignored. The received message structure is summarized
in the following table:
Start
Character Address Command Sub-Command Data
S = Standby
A = Auto Select
L = Loop protect
R = Record follows play
P = Front Panel Switches S = Setup
D = LED Dimmer
0 = Off
1 = On
1 – 7 = Channel selection
Any (next LED brightness step -
decreasing)
V = View
R = Record E = Every signal
1 – 7 = Channel selection
C = Compander C = Compander 0 = Off
1 = On
U = Compander UP
D = Compander Down
? = Status Request Any Any
@ 0
1
2
3
D = Diagnostics D = Diagnostics 0 = Off
1 = On
Note that not all command / sub-command / data combinations are valid. See section 7.4 for a summary of all valid
commands.