16x Isolated Solid State Relay Phidget
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For applications that require a ton of outputs, this module is the one you're looking for. With sixteen PWM-enabled relay outputs, it can be used to control devices and switch circuits of up to 30V volts and 8 amps. LED strips, DC motors, power relays, fans and other small circuits are all common loads for this type of output. The REL1101 connects to a port on a VINT Hub. See the Connection & Compatibility tab for a list of hubs.
Externally Powered
Instead of providing power to the device, a solid state relay output switches the circuit to ground and completes the circuit when you want to switch it on. The power is supplied externally and should be connected in series with the load and the relay output. Each channel has a ground terminal beside it to make wiring a snap, and each one leads to a common ground.
PWM Switching
In addition to switching at microsecond speeds, each relay output is also capable of pulse-width modulation; rather than simply switching on or off, you can select a percentage duty cycle to limit the power being supplied to a specific level. This allows you to control devices like a dimmer would, which is an important feature for LEDs, fans, and motors. Check the datasheet for your device to ensure that it is designed to be used with PWM (some devices such as incandescent or CF bulbs are not designed for dimming).
Isolated for Stability
The VINT port on this board is electrically isolated from the rest of the board, improving stability by eliminating ground loops.
Product Specifications
| Board Properties | |
|---|---|
| Controlled By | VINT |
| Current Consumption Min | 4 mA |
| Current Consumption Max | 45 mA |
| Relay Properties | |
| Number of Relays | 16 |
| Contact Resistance Max | 35 mΩ |
| Turn-off Time Max | 100 ns |
| Switch Type | Low Side MOSFET Switch |
| Turn-on Time Max | 100 ns |
| PWM Frequency Max | 28.5 kHz |
| PWM Resolution | 0.5 % |
| Electrical Properties | |
| Load Current Max (DC) | 8 A |
| Load Voltage Max (DC) | 30 V DC |
| Switching Power Max (Real) | * 240 W |
| Physical Properties | |
| Recommended Wire Size | 16 - 26 AWG |
| Operating Temperature Min | -40 °C |
| Operating Temperature Max | 85 °C |
* Note: At switching powers powers higher than 50W, external cooling may be required. For high power applications, a hockey-puck style SSR may be more appropriate. See the "Other Relays" tab for more details.