Mikroelektronika d.o.o.
Relais 5 Click-Platine
Relais 5 Click-Platine
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Key Features:
- Drei elektromechanische Relais, geringer Stromverbrauch, zuverlässiges Schalten, hoher Strom, hohe Empfindlichkeit, SPDT-Konfiguration, Relaisaktivitätsanzeigen, lange mechanische Lebensdauer, Kontrolle über den I/O-Port-Expander und mehr
- Basierend auf J1031C3VDC.15S – Hochstrom-Signalrelais mit einpoligem Umschalter (SPDT) von CIT Relay and Switch PCA9538A – Niederspannungs-8-Bit-E/A-Port-Expander von NXP Semiconductors
- Kann zur Steuerung von Hochleistungsanwendungen verwendet werden
- mikroBUS: I2C-Schnittstelle
Das Relay 5 Click Board™: Hochleistungsanwendungen mit Leichtigkeit steuern
Das Relay 5 Click Board™ ist eine kompakte Zusatzplatine, die für die einfache Steuerung von universellen I2C-gesteuerten Relais durch jede Host-MCU entwickelt wurde. Mit seinen vielseitigen Funktionen und seiner zuverlässigen Leistung ist diese Platine ein Muss für Ihre Projekte.
Leistungsstark und effizient
Diese Platine gewährleistet präzise und effiziente Relaisoperationen durch drei J1031C3VDC.15S Hochstrom-Signalrelais mit einpoligem Umschalter (SPDT), die vom PCA9538A gesteuert werden. Die J1031C3VDC.15S-Relais sind hochempfindlich, bieten einen geringen Spulenstromverbrauch und behalten gleichzeitig einen kleinen und leichten Formfaktor mit PC-Pin-Montage bei.
Kompakt und vielseitig
Mit Abmessungen von 12,5 x 7,5 x 10 Millimeter (L x B x H) bietet das Relay 5 Click Board™ eine kompakte Lösung für Ihre Projekte ohne Kompromisse bei der Leistung. Es verfügt über eine 1C-Kontaktanordnung und eine Spulenspannung von 3 VDC, wodurch eine maximale Schaltspannung von 125 VAC/60 VDC ermöglicht wird. Diese Platine ist für die problemlose Handhabung von Hochleistungsanwendungen konzipiert.
Vereinfachte Softwareentwicklung
Das Relay 5 Click Board™ wird von einer mikroSDK-kompatiblen Bibliothek unterstützt und bietet Ihnen ein nahtloses Softwareentwicklungserlebnis. Die enthaltenen Funktionen erleichtern die Integration dieses Click Board™ in Ihre vorhandenen Projekte und sparen Ihnen wertvolle Zeit und Mühe.
Gebrauchsfertige Lösung
Wenn Sie sich für das Relay 5 Click Board™ entscheiden, können Sie sicher sein, dass Sie ein vollständig getestetes und zuverlässiges Produkt erhalten. Es ist einsatzbereit für jedes System, das mit der MikroBUS™-Buchse ausgestattet ist, und ermöglicht so eine schnelle und problemlose Integration in Ihre Projekte.
Mit dem Relay 5 Click Board™ können Sie mühelos Hochleistungsanwendungen steuern. Holen Sie sich Ihr Board noch heute und erleben Sie den Komfort und die Zuverlässigkeit, die es Ihren Projekten verleiht!
How Does The Relay 5 Click Board™ Work?
The Relay 5 Click Board™ is based on three J1031C3VDC.15S, a high-current single-pole double-throw (SPDT) signal relays from CIT Relay and Switch, controlled in a very simple way through a port expander from NXP Semiconductors, the PCA9538A. The J1031C3VDC.15S relay is well known for its reliability and durability, high sensitivity, and low coil power consumption housed in a small package with PC pin mounting. Despite its size (12.5x7.5x10 millimeters (LxWxH)), the J1031C3VDC relay can withstand up to 2A and 125VAC/60VDC maximum. These relays are designed to easily activate their coils by relatively low currents and voltages, making them a perfect choice that any MCU can control. Besides, their durability is impressive, with over 5M of mechanical life cycles.
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The contact configuration of the J1031C3VDC.15S is a single-pole double-throw (SPDT), meaning it has one pole and two throws. Based on the default position of the pole, one throw is considered normally open (NO) while the other is normally closed (NC), which is, in this case, its default position. When the coil is energized, it will attract the internal switching elements similar to a switch. For this purpose, the Relay 5 Click has three terminals for each relay that are adequately labelled. In addition, every relay has its status LED (REL1-3) for visual status presentation.
As mentioned, the relays are not directly driven by the host MCU but by the PCA9538A, a low-voltage 8-bit I/O port with interrupt and reset from NXP Semiconductors. This I/O expander provides a simple solution when additional I/Os are needed while keeping interconnections to a minimum. The Relay 5 Click uses the PCA9538A and 2-Wire I2C interface to communicate with the host MCU. The PCA9538A supports a fast mode of up to 400KHz of clock frequency. The I2C Address can be selected via the ADDR SEL jumpers, with 0 selected by default. The expander can be reset over the RST pin with active LOW, thus setting the registers to their default values without the need to power it off.
The Relay 5 Click Board™ can operate with either 3.3V or 5V logic voltage levels selected via the VCC SEL jumper. This way, both 3.3V and 5V capable MCUs can use the communication lines properly. However, the Click board™ comes equipped with a library containing easy-to-use functions and an example code that can be used, as a reference, for further development.
SPECIFICATIONS
| Type | Relay |
| Applications | Can be used for controlling high-power applications |
| On-board modules | J1031C3VDC.15S - high-current single-pole double-throw (SPDT) signal relays from CIT Relay and Switch PCA9538A - low-voltage 8-bit I/O port expander from NXP Semiconductors |
| Key Features | Three electro-mechanical relays, low power consumption, reliable switching, high current, high sensitivity, SPDT configuration, relay activity indicators, long mechanical life, control over the I/O port expander, and more |
| Interface | I2C |
| Compatibility | mikroBUS |
| Click board size | L (57.15 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
PINOUT DIAGRAM
This table shows how the pinout of the Relay 5 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| Reset | RST | 2 | RST | INT | 15 | NC | |
| NC | 3 | CS | RX | 14 | NC | ||
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C Clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C Dlock | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| LD2-LD3 | REL1-REL3 | - | Relay Status LED Indicators |
| JP1 | VCC SEL | Left | Logic Voltage Level Selection 3V3/5V: Left position 3V3, Right position 5V |
| JP2 | ADDR SEL | Right | I2C Address Selection 0/1: Left position 0, Right position 1 |
RELAY 5 CLICK ELECTRICAL SPECIFICATIONS
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3.3 | - | 5 | V |
| Maximum Switching AC Voltage | - | - | 125 | V |
| Maximum Switching DC Voltage | - | - | 60 | V |
| Maximum Current Switching | - | - | 2 | A |
Software Support
Software Support
We provide a library for the Relay 5 Click Board™ as well as a demo application (example), developed using MIKROE compilers. The demo can run on all the main MIKROE development boards.
The package can be downloaded/installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Library Description
This library contains API for the Relay 5 Click Board™ driver.
Key functions
-
relay5_set_relay1_openThis function sets the relay 1 to normally open state by setting the RL1 pin to low logic level. -
relay5_set_relay1_closeThis function sets the relay 1 to normally close state by setting the RL1 pin to high logic level. -
relay5_switch_relay1This function switches the relay 1 state by toggling the RL1 pin logic level.
Example Description
This example demonstrates the use of the Relay 5 Click Board™ by toggling the relays state.
void application_task ( void )
{
relay5_set_relay1_open ( &relay5 );
log_printf( &logger, " Relay 1 set to normally open statern" );
relay5_set_relay2_close ( &relay5 );
log_printf( &logger, " Relay 2 set to normally close statern" );
relay5_set_relay3_open ( &relay5 );
log_printf( &logger, " Relay 3 set to normally open staternn" );
Delay_ms ( 5000 );
relay5_set_relay1_close ( &relay5 );
log_printf( &logger, " Relay 1 set to normally close statern" );
relay5_set_relay2_open ( &relay5 );
log_printf( &logger, " Relay 2 set to normally open statern" );
relay5_set_relay3_close ( &relay5 );
log_printf( &logger, " Relay 3 set to normally close staternn" );
Delay_ms ( 5000 );
}
The full application code, and ready to use projects can be installed directly from NECTO Studio The package Manager (recommended), downloaded from our LibStock™ or found on MikroE Github account.
Other MikroE Libraries used in the example:
- MikroSDK.Board
- MikroSDK.Log
- Click.Relay5
Additional Notes and Information
Depending on the development board you are using, you may need USB UART Click Board™, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MIKROE compilers.
MIKROSDK
The Relay 5 Click Board™ is supported with mikroSDK - MIKROE Software Development Kit, that needs to be downloaded from the LibStock and installed for the compiler you are using to ensure proper operation of mikroSDK compliant Click board™ demo applications.
Relais 5 Click-Platine
Frequently Asked Questions
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