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No. 2D730-148E*O
5.
OPERATING
PANEL
(1)
Outline
Data communication
with the main unit is performed using several signal lines and one USB
cable. The USB-HUB is inside the control panel. The functions of this panel are executed
independently
via this HUB. +3.3-V, +5-V, and +12-V power supplies are used.
(2)
Descriptions of functions and operation
The functions related to USB connection
are described below.
(a)
CARD-PC section (RS-232C connection to the USB via a USB/serial conversion chip)
l
Displays menus on the TCS display by transmitting
data from the main unit.
l
Converts information input by touch keys to information for switches on the TCS menu
and transfers them to the main unit.
(b)
SUB-CPU section (RS-232C connection to the USB via a USB/serial conversion chip)
l
Transfers information input by various switches (other than the POWER switch) to the
main unit.
l
Transfers information via the rotary encoder.
l
A/D-converts
the rotary VR and STC sliding VR analog data and transfers them as
digital information to the main unit.
l
Transfers information input by the footswitch to the main unit.
l
Lights and extinguishes
various LEDs by transmitting
data from the main unit.
l
Sounds the buzzer when the switch is pressed by transmitting
data from the main unit.
(c)
Keyboard section (USB connection)
l
Transfers the data input by the keys on the keyboard
(d)
Trackball section (USB connection)
l
Transfers the information input by the trackball to the main unit. Note, however, that
LED lighting and the dial section (encoder) are controlled by the sub CPU.
The following operations are implemented
and controlled using signal lines. They cannot
be performed inside the panel.
(e)
Control of the POWER switch and LED lighting
(f)
Control of STANDBY LED lighting
5-l
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