Runco D-73d Ultra Specifications Page 119

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103 D-73d Series Installation/Operation Manual
In addition to using the Dimension Digital Controller front-panel keypad or remote
control unit, there are three methods of controlling the D-73d and Dimension Digital
Controller externally:
Using a serial (RS-232) link to send ASCII commands and receive responses to
those commands.
Using discrete infrared (IR) codes to program a third-party remote control unit.
Using an HDMI connection to send Consumer Electronics Control (CEC) commands
from a BD player or other source component that supports CEC.
The following sections describe these methods.
6.1
Serial
Communications
The Dimension Digital Controller uses a simple text-based control protocol to take
requests from control devices and to provide responses to such devices. This section
describes how to send control messages over a serial link between the Dimension
Digital Controller and an automation/control system or a PC running terminal emulation
software.
RS-232 Connection and
Port Configuration
Connect your control system or PC to the RS-232 input of the Dimension Digital
Controller as shown in Figure 3-16.
Configure the RS-232 controller or PC serial port as follows: no parity, 8 data bits, 1
stop bit and no flow control. Set the baud rate to 19200, to match that of the Dimension
Digital Controller RS-232 port.
Command FormatCommands sent from an automation/control system or PC to the Dimension Digital
Controller must have the following format:
(www:xyz) [CR]
Where:
( and ) indicate the start and end of the command data. If these characters are
present, the Dimension Digital Controller assumes that valid command data is
present in the command string. Otherwise, the Dimension Digital Controller ignores
the command.
www indicates the command code. This field is case insensitive; for example, PWR,
pwr and PwR are all equivalent.
:x is the destination parameter. This is an optional parameter that indicates which
memory the command is referencing. This parameter is reserved for future use.
6. External Control
The serial communication protocol described here replaces the
serial protocol used by legacy Runco products (manufactured
prior to September 2011) that include the DHD Controller.
Runco recommends using this new protocol, as it is more concise
and provides greater control than the old one. However, to
maintain backward compatibility with existing automation/control
system modules, the legacy Runco serial protocol is also
supported.
Note
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