GPIO - Controller ALLEN & HEATH - Free user manual and instructions
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| Product Type | GPIO Controller |
| Brand | Allen & Heath |
| Model | GPIO |
| Category | Controller |
| Dimensions (H x W x D) | 1.75" x 19" x 6" (44.45 mm x 482.6 mm x 152.4 mm) |
| Weight | 2.2 lb (1 kg) |
| Power Supply | 9-12V DC, 500 mA (5W) or PoE (IEEE 802.3af) |
| Power Consumption | 5W maximum |
| GPIO Ports | 8 ports, individually configurable as inputs or outputs |
| Configuration | Per port via software (GPIO Configuration Tool or mixer UI) |
| Connectivity | USB Type-B, RJ45 Ethernet (dSNAKE compatible) |
| MIDI | Yes, over USB (MIDI over USB class compliant) |
| Compatibility | Allen & Heath dLive, SQ, Avantis mixing systems |
| Operating Temperature | 0 to 40 °C (32 to 104 °F) |
| Relative Humidity | < 80% non-condensing |
| Material | Steel chassis, powder coated |
| Color | Black |
| Mounting | 1U rackmount (brackets included) |
| Indicators | Power LED, 8 port status LEDs (green/red) |
| Included Accessories | Power supply, USB cable, rackmount ears |
| Safety | Class III device, low voltage (SELV) |
| Cleaning | Use a soft dry cloth; do not use liquids or solvents |
| Reparability | No user-serviceable parts; contact Allen & Heath authorized service |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - GPIO ALLEN & HEATH
What is the Allen & Heath GPIO controller used for?
The GPIO controller allows integration of external control devices (e.g., footswitches, sensors, buttons) with Allen & Heath digital mixing systems. It converts physical inputs/outputs into MIDI or dSNAKE control signals.
How many GPIO ports does it have?
It features 8 GPIO ports, each individually configurable as either an input (dry contact, 3.3V) or output (open drain, 5V).
What types of signals can be connected?
Inputs accept momentary or latching switches, sensors (e.g., PIR), or 5V logic levels. Outputs can drive LEDs, relays (via external transistor), or control other low-voltage devices.
Does it require a separate power supply?
The GPIO can be powered via PoE (Power over Ethernet) (802.3af) or the included 12V DC adapter. Only one power source is needed.
How do I configure the GPIO ports?
Configuration is done using the Allen & Heath GPIO Configuration Tool (free download) or directly from a compatible mixer's GPIO settings page. Each port can be set as input, output, with polarity and pull-up options.
Is it compatible with all Allen & Heath mixers?
It works with dLive, SQ, Avantis, and other mixers supporting dSNAKE or USB MIDI control. Check the mixer's firmware version for full compatibility.
How do I update the firmware?
Firmware updates are performed via USB connection using the Allen & Heath Firmware Updater utility. The device must be in update mode (press and hold the ID button while powering on).
Can I use the GPIO with third-party software?
Yes, when connected via USB, the unit appears as a MIDI device. You can map GPIO events to any software that accepts MIDI CC or Note messages, such as DAWs, lighting consoles, or automation systems.
What are the LED indicators for?
The Power LED shows device status (solid = on). Each port has a bi-color LED: green for input activity, red for output active. Blinking indicates configuration errors.
What should I do if a port stops working?
First, check connections and ensure the device is powered. Try a different port to isolate the issue. Update firmware and reset to factory defaults (press ID button for 10 seconds). If persistent, contact Allen & Heath support.
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Product information
Brand : ALLEN & HEATH
Model : GPIO
Category : Controller