4 Relay 4 Analog Input/Output Module
Compact. Powerful. Fully Integrated.
With a combination of mechanical relays and analog outputs, this Pearl module gives you precision control and real-time monitoring in a rugged, modular design. Perfect for controlling critical systems like lighting, irrigation, and ventilation.
Key Benefits:
- Control lighting, fans, or pumps with 4 configurable relay outputs (wet or dry).
- Fine-tune equipment with 4 standard 0–10V analog outputs.
- Connect up to 4 analog 0–10V sensors for environmental data.
- Seamless integration with I2C sensors.
- Easily daisy-chain power and communication to other modules.
- View real-time switch positions directly on the Equipment Status screen.
$700.00
Shipping calculcated at Checkout | *17% surcharge calculated on all hard goods.
Explore the Pearl 4 Relay / 4 Analog I/O Module in Detail
- Relay Outputs: 4 mechanical, 48VAC/DC @ 1A, wet/dry selectable
- Analog Outputs: 4 x 0–10V, 75mA source/sink capacity
- Manual Control: Mechanical switches for each output (Auto-Off-On / Auto-0V- 10V)
- Digital Inputs: 4 for external switch or trigger integration Analog Inputs: 4 x 0–10V sensor inputs
- I2C Sensor Input: For temp/humidity monitoring
- Status Inputs: Equipment state feedback support
- Mounting: DIN rail with LBus auto-connection
- Power/Comm: External pass-through + LBus compatible
1. Can I manually test outputs?
2. What kind of loads can the relays handle?
3. Do the analog outputs support current draw?
4. Is this compatible with other Pearl modules?
5. Does it require an external power supply or is it powered through the LBus?
The module is powered directly through the LBus connection from the main controller, so no external power supply is needed.
6. Can this module be used for simple irrigation or fan/light control without a controller?
It cannot operate independently. It must be connected to a Link4 controller, which provides logic and scheduling for irrigation or environmental control.
7. Are the relay outputs dry contact, or do they provide voltage/wet switching?
The relay outputs are dry contact relays, meaning they act as switches and do not supply voltage external power must be wired through them.
8. Can multiple modules be linked together for expansion, and how many can be added?
Multiple modules can be daisy-chained via the LBus for system expansion. The total number depends on the controller model, but typically up to 32 modules are supported.
Link4 Cloud for Web, Android, and iOS
The Link4 Cloud is the latest innovation to Link4’s Cloud technology, supporting the new Pearl controller.
Monitor and set your controllers from anywhere. Create reports, view graphs, and collect data. Log notes using the Grow Journal. Do all of this and more using the intuitive user interface.
