Standard FDCCM1 and FDCCM1-A modules are like smart switches. They may control things such as reading lights, table lights, window shades, or more high level devices such as selecting entertainment audio and video for that one seat.
Standard FDCCM1 and FDCCM1-A modules are like smart switches. They may control things such as reading lights, table lights, window shades, or more high level devices such as selecting entertainment audio and video for that one seat. The unit is highly configurable and will allow for complete control of designated equipment for an aircraft. Icons shown on the display or firmware are custom programmable by Flight Display Systems at the request of the client. OLED displays have a wide viewing angle, high brightness, low power consumption and low heat, with a 64K color palette.
The FDCCM1 and FDCCM1-A consists of a single 128 x 96 pixel, 64K color OLED displays with a mechanical momentary switch mounted under the display to let the entire display act as a push button. It has one CAN and one RS-485 computer interfaces, one high side switch and one low side switch, which will be under computer control. The high side switch has a 2 amp source output, and the low side switch has a 2 amp sink output. Switch actions can be configured to support a myriad of behaviors: Low side switches can be enabled or disabled. A button press can send a message out on both the high and low side switches. A held button press can trigger distinct switch commands from a button press. A timed output can be on a scale of hours (with 1 minute resolution), on a scale of minutes (with 1 second resolution), or fractions of a second. Outputs can also be in CAN/485 messages and are fully programmable.
The terminology “high side driver” is used to describe a driver which has a 28 volt output. The high side driver can be a continuous or momentary 28 volts when the driver is active. Typically, devices such as lights use high side drivers. “Low side driver” refers to a ground output. The ground output can be momentary or continuous when the low side driver is active. Commonly, devices such as window shades and lavatory flush devices use low side drivers. A low side driver would provide a momentary ground for a flush or a constant ground to move a window shade up or down. The “digital input” of the accessory interface node is an input which requires between 18V and 36V DC power to activate the input, and between 0V and 3V DC power to make the input inactive (voltages between the range of 3V and 18V are not a sufficient change to activate or deactivate the input). One type of digital input could be from a water level sensor, which may have a DC signal to activate the input. The firmware would read the input signal and display the correct indication on the control module.
The FDCCM1-A display has a local volume control. The volume control has 32 steps. It is controlled by volume up/down buttons on the bezel. It may be configured to power-up in its last position, or at a pre-determined level. Like all other items in the system, it may be controlled by any other device on the bus that has the appropriate permissions. Electrical connections to the unit are established via a 6 inch cable exiting the bottom of the control module. The wires terminate with a free hanging D style male connector with backshell. The connector contains pins for power, power return (ground), and CAN Bus. It also has data input pins which read the status of external equipment, and control output pins that take control of external equipment. External equipment may include lights, seat heaters, window shades, etc.
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