RLH Smart Series

The Smart Series product family is packed with functionality for standalone operation or integration into network management systems or distributed control systems. These units can also be paired with one another to allow for point to point IO extension over Ethernet networks. They feature a convenient built in web interface for management and control and are designed and built to operate in harsh environments.

Smart 4 Input Sensor

Smart 4 Input Sensor

4 Inputs, SNMPv3, Modbus TCP, DNPv3 TCP, Email Alerting, and Contact Closure over Ethernet.

Smart 4 Relay Output

Smart 4 Relay Output

4 Outputs, SNMPv3, Modbus TCP, DNPv3 TCP, Email Alerting, and Contact Closure over Ethernet.

Smart 8 Input Sensor

Smart 8 Input Sensor

Web-accessible 8 Channel Digital Input Sensor featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control Digital Inputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 8 Relay Outputs.

Smart 8 Relay Output

Smart 8 Relay Output

Web-accessible 8 Channel Relay Output featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control Relay Outputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 8 Input Sensors.

Smart 4 I/O

Smart 4 I/O

Monitor and Control 4 Digital Inputs & 4 Relay Outputs over Ethernet via RJ45 and SFP ports. Web-accessible interface with HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Use as standalone, or together with another Smart 4 I/O over secure TLS/SSL tunnel.

Smart 4 Analog (4~20mA) Input Sensor

Smart 4 Analog (4~20mA) Input Sensor

Web-accessible 4 Channel Analog 4~20mA Input Sensor featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control analog 4~20mA inputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 4 4~20mA Analog Output units.

Smart 4 Analog (4~20mA) Output

Smart 4 Analog (4~20mA) Output

Web-accessible 4 Channel Analog 4~20mA Output device featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control analog 4~20mA outputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 4 4~20mA Analog Input Sensors.

Smart 4 Analog (0~10VDC) Input Sensor

Smart 4 Analog (0~10VDC) Input Sensor

Web-accessible 4 Channel Analog 0~10VDC Input Sensor featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control analog 0~10VDC inputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 4 0~VDC Analog Output units.

Smart 4 Analog (0~10VDC) Output

Smart 4 Analog (0~10VDC) Output

Web-accessible 4 Channel Analog 0~10VDC Output device featuring HTTPS, SMTP, SNMPv1/v2c/v3, Modbus TCP, DNP3, MQTT, and a REST API. Monitor and control analog 0~10VDC outputs over Ethernet via RJ45 and/or SFP ports. Use as standalone, or together with multiple Smart 4 0~VDC Analog Input Sensors.

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