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Command List; Visca 1) Rs-232c Commands - Sony EVI-D80N Technical Manual

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VISCA
RS-232C
1)
Commands
Use of RS-232C control software which has been
developed based upon this command list may cause
malfunction or damage to hardware and software. Sony
Corporation is not liable for any such damage.
Overview of VISCA
In VISCA, the device producing the commands, for
example, a computer, is called the controller, while the
device receiving the commands, such as an
EVI-D80N/D80P/D90N/D90P, is called the peripheral
device. The EVI-D80N/D80P/D90N/D90P serves as a
peripheral device in VISCA. In VISCA, up to seven
peripheral devices like the EVI-D80N/D80P/D90N/
D90P can be connected to one controller using
communication conforming to the RS-232C standard.
The parameters of RS-232C are as follows.
 Communication speed: 9,600 bps/38,400 bps
 Data bits : 8
 Start bit : 1
 Stop bit : 1
 Non parity
Flow control using XON/XOFF and RTS/CTS, etc., is
not supported.
Peripheral devices are connected in a daisy chain. As
shown in Fig. 1, the actual internal connection is a one-
direction ring, so that messages return to the controller
via the peripheral devices. The devices on the network
are assigned addresses.
The address of the controller is fixed at 0. The
addresses of the peripheral devices are 1, 2, 3 ... in
order, starting from the one nearest the controller. The
address of the peripheral device is set by sending
address commands during the initialization of the
network.
.......................................................................................................................................................................................................................................................
1) VISCA is a protocol which controls consumer camcorders developed by Sony. "VISCA" is a trademark of Sony Corporation.
For More Information Please Call Aegis Electronic Group, Inc. * (888) 687-6877 Phone * aegis-g2@aegiselect.com * http://www.aegis-elec.com

Command List

The VISCA devices each have a VISCA IN and VISCA
OUT connector.
Set the DSR input (the DTR output of the controller) of
VISCA IN to H when controlling VISCA equipment
from the controller.
Fig. 1 VISCA network configuration
VISCA Controller
VISCA Equipment
IN
OUT
IN
OUT
IN
OUT
21

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