Ensemble Designs 7420 HD/SD Logo Inserter - Manual (Page 12)

5815 GPI Control Panel Operation
The GPI inputs to the 7420 module can control up to eight logos or animation sequences
defined as events using the remote control menus. The configured inputs can then be
triggered with the Avenue 5815 GPI Control Panel shown below. Up to eight control
panels can be installed in parallel as explained earlier in this data pack.
Assign logos or animation sequences to each of the eight GPI inputs using Avenue PC or
the Touch Screen control menus as explained in the next sections. When one of the eight
pushbuttons is selected, the event assigned to that input will be placed on air according to
the parameters (in and out transition time, density, horizontal and vertical position) con-
figured with the remote control menus or with the Avenue Logo application.
Serial Control
The 7420 HD/SD Logo Inserter module has a serial interface port which supports a
command protocol for remote control of the eight GPI selections. This serial port is used
by the optional Avenue 5815 GPI Control Panel or an external GPI control device. The
port can also be used by external devices such as a PC to control the GPI inputs.
Refer to the pinout information shown previously for the cable needed to connect a PC or
other device to the serial port of the module. The port can be cabled to support either RS-
422 or RS-232 signaling levels.
The details for the serial protocol are outlined below.
The communication standard for this port is as follows:
Data Rate: 38.4 Kbaud
Start Bits: 1
Stop Bits: 1
Parity: None
The command and status messages for this port are in plain ASCII form, with each
command or message terminated with a carriage return (shown as below).
Commands to the module are as follows:
Fire GPI Command
Syntax: G1
This will fire GPI 1.
The module will respond with a single status message:
Syntax: S1
Model 7420 HD/SD Logo Inserter
5815 GPI Control Panel
7420-12