Bose ControlSpace CC-16 Installation Guide download pdf (Page 11)

Page 18 User Guide English

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7. Connect GPIO devices

General Purpose Inputs

General-purpose control input ports are used to connect external hardware such as potentiometers (to control levels or gains) and

switches (to invoke parameter sets). Using ControlSpace

Designer

™

software, functions can easily be assigned to these external

controls. In addition, Bose offers three GPI-compatible interfaces, the CC-4 room controller, the Volume Control with A/B switch user

interface, and the Volume Control user interface.

General Purpose Outputs

General Purpose Inputs/Outpus (GPIO)

Five control inputs (GPI) and ﬁve controls outputs (GPO) are

available and can be used to interface the ESP processor

with external control hardware.

10k potentiometer

Using Switches

Both toggle switches and pushbuttons can be used

with control inputs. Each input terminal is tied to an

internal pull-up resistor (2k ohm) so that external

switches can be wired directly from input to ground.

Using Potentiometers

10k ohm potentiometers can be connected and

associated with control gain blocks in a system design.

Inputs are compatible (through ControlSpace Designer

software) with linear taper potentiometers wired for

minimum resistance at the full-clockwise position or at

the full-counterclockwise position.

Current Source Devices

Some devices such as LEDs and low-current relays can be

powered directly from control outputs. A maximum source

current of 10 mA is available.

Source Limits: 8 VDC, 10 mA (max.).

Current Sink Devices

Devices that require more current than is available from a current-

source conﬁguration can use control outputs to sink up to 100mA

when used with external power supplies. Use proper precautions

when driving inductive loads.

Sink Limits: 100 mA (max.). External supplies must be ≤24 VDC.

Toggle

switch

Push

button

LED

Anode Cathode

Current

Limiting

Resistor

External

Supply

(24 VDC Max.)

Relay

(Rated Current of Coil <100 mA

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Bose ControlSpace CC-16 Installation Guide Page 11

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