Sepehr Modbus Devices

Sepehr Modbus Devices support both Modbus RTU and TCP protocols, catering to diverse organizational and user requirements. We present a comprehensive range of innovative industrial sensors designed to work seamlessly with the Sepehr Modbus Gateway, enabling the continuous monitoring of key environmental parameters, including temperature, humidity, voltage, current, smoke, water leakage, and other vital metrics. The provided insights are then securely transmitted via an RJ12 cable from data-driven environments and delivered to specialized monitoring platforms such as SCADA platform or Sepehr monitoring software through a single LAN connection.

This architecture not only simplifies operations and streamlines workflows but also minimizes unexpected downtimes by providing real-time alerts in case of abnormalities. offering clear visibility and centralized control, Sepehr Modbus Devices empower precise environmental management. Their versatility makes them ideal for deployment in server rooms, data centers, corporate offices, electrical rooms, smart greenhouses, and large-scale industrial facilities. This approach can integrate up to 30 sensors under a single IP, making device deployment and management significantly easier.

Key Features of Sepehr Modbus Devices

Each sensing device functions as a slave module, while the Modbus gateway serves as the master controller, issuing commands and managing communication. Every slave device is assigned a configurable ID, allowing users and Modbus itself to identify the type and the function of each module.

Highlighted Features:

• Well-fitted and cutting-edge industrial design with the least footprint, ensuring efficient use of technical space
• Seamless integration with monitoring platforms, including Zabbix, Sepehr and SCADA systems
• Facilitated support for RTU and TCP communication protocols, flexible in diverse environments
• Straightforward setup process, accelerating the time to a complete installation
• Introduction to the Sepehr Environmental Modbus Device Family

Below is an overview of our main sensors available in this product line:

SMN-T | Temperature Sensor

  Maintaining optimal temperature is critical in server rooms, where the suggested operating range is between 18°C and 27°C. Thresholds can be configured through the Sepehr monitoring system, and when these limits are reached, the platform immediately triggers alerts via SMS, automated phone calls, or physical alarm devices, ensuring a rapid response to environmental changes.

Technical Specifications:

• Measurement Range: –40°C to +85°C
• Accuracy: ±0.1°C
• Operating Voltage: 9–24 V DC

Compatible Humidity Sensor | SNM-H

. Suitable humidity control is just as important as temperature regulation. Both industrial and office environments usually require humidity between 40% and 60%. Excessive humidity can lead to rust and corrosion in sensitive electronic parts, increasing hazardous short circuits. It also create conditions that promote the growth of mold, fungi, and other contaminants can impact both equipment performance and environmental safety. Conversely, excessively dry air brings about the buildup of static electricity on people and equipment surfaces. This electrostatic discharges may then damage sensitive electronic systems

Technical Specifications:

• Measurement Range: 10% – 100% RH

• Accuracy: ±0.02%

• Operating Voltage: 9–24 V DC

Sepehr Current Sensor | SNM-A

The Sepehr Current Sensor provides accurate current measurements, helping industries optimize energy usage and reduce waste. By precisely tracking electrical flow, companies can reduce their energy bills and lower their environmental footprint. This device is a critical tool for monitoring industrial motors, pumps, and other essential machinery. By adopting the Modbus approach, this device can identify abnormal current fluctuations at early stages, allowing users and administrators to implement corrective actions before problems escalate. In this way, the sensor supports proactive and predictive maintenance, helping prevent predictive maintenance.

Key Specifications & Features:

• Current Measurement Range: 10–100 A

• AC current measurement support

• Real-time alerts for abnormal current changes

• Notifications when preset thresholds are exceeded

• Suitable for industrial and office machinery, including AC units

• Clamp-on installation using magnetic field detection

• Operating Voltage: 9–24 V DC

SNM-V | Voltage Meter The Sepehr Voltage Meter

This device is intended for reliable monitoring of both input and output voltages. By detecting irregular events such as overvoltage or undervoltage, it helps prevent damage to sensitive equipment and minimizes costly downtime. Beyond protection, the device provides data-driven insights by enabling Sepehr software to visualize voltage data in both graphical and numerical data, helping

users to improve equipment efficiency, cut down redundant energy waste, and ensure system reliability.

Key Specifications & Features:

• Measurement Range: 90–250 V

• Continuous monitoring of both input and output voltage

• Alerts for voltage irregularities (overvoltage/undervoltage)

• Power outage detection, useful for UPS monitoring

• Prevention of sudden equipment shutdowns

• Safeguards against overheating and performance loss

• Energy-saving features that reduce consumption

• Cost reduction through minimized maintenance expenses

• Operating Voltage: 9–24 V DC

Sepehr Modbus Door Sensor | SMN-D

The SMN-D Door Sensor enables intelligent access tracking within industrial environments. It precisely monitors door activity, recording entry and exit events in real time. the gathered data is sent to the Sepehr Modbus Gateway via SNMPv3, ensuring compatibility with professional monitoring platforms.

Features:

• Real-time monitoring of door status and activity

• Operating Voltage: 9–24 V DC

SMN-W | Warning Sensor

The SMN-W Warning Sensor delivers instant visual and audible alerts in emergency conditions. The powerful siren and bright strobe ensure that no urgent event goes unnoticed. Unlike notifications via SMS or phone calls, which can be delayed, this on-site alarm system provides immediate awareness to all nearby personnel. When integrated with automation platforms, the Warning sensor is effective both as a deterrent against unauthorized access and as a life-saving alarm in incidents such as fire, gas leaks, or other hazardous conditions.

]Specifications:

• Operating Voltage: 9–24 V DC

• Notification Method: Loud siren with flashing strobe light

• Power Supply: 9V, 1A

Other advanced environmental Modbus devices are available but are not included in this introduction. Sepehr continues to expand its range of solutions, so stay connected with us for furthur updates. For more details, look into how our approaches can seamlessly be integrated into your systems, please be in touch.

SNM-LW Water Leakage Detection Node

The SNM-LW node is specifically designed to detect and promptly alert users to the presence of
water leaks. Water leakage can lead to serious and costly damage, including harm to sensitive
electrical equipment, structural deterioration, and property loss. With its precise operation and
fast response time, this node plays a crucial role in preventing such damages. By ensuring
timely detection and notification, it effectively contributes to improving overall safety and
protecting valuable assets in various environments.

Technical Specifications

• Capable of detecting water leakage at a single point through the use of a Point Sensor
• Supports detection of water leakage across a wider area using a Rope (cable) Sensor
• Provides instant data transmission to the gateway for rapid response
• Utilizes an RJ12 6P6C port for reliable communication
• Operating voltage: 9-24VDC
This node combines accuracy, speed, and reliability to create an efficient solution for
monitoring water leakage and maintaining environmental safety.

SNM-M Motion Detection Node

Motion detection is one of the key components in smart security systems. The SNM-M node
uses PIR (Passive Infrared) sensors to instantly detect any unauthorized entry or movement
within the area and transmits the data to the gateway in real time.

Technical Specifications

• Detects motion using a PIR sensor
• Recommended installation height: 2.5 meters (effective range: Up to 10m)
• Field of view: 110 degrees (varies depending on installation height)
• Instant data transmission to the gateway
• Operating voltage: 9-24VDC

SNM-S Smoke Detection Node

One of the most critical aspects of safety is providing rapid alerts in the event of emergencies
such as fires, helping to minimize risks and prevent extensive damage. The SNM-S node is
designed to detect and measure smoke, utilizing a high-quality sensor that meets recognized
standards and is approved by the Fire Department. This node can accurately identify visible
smoke produced by fire and issue timely warnings to ensure swift response.
The SNM-S node is designed for ceiling installation and can also be connected in series with
other sensors for extended coverage and integrated fire detection systems.

Technical Specifications

• Detects smoke generated by fire
• Equipped with a certified sensor approved by the Fire Department
• Instant data transmission to the gateway
• Supports series connection with multiple sensors
• Suitable for ceiling installation
• Operating voltage: 9–24 VDC

SNM-IR Split AC Control Node

The SNM-IR node is designed to control standard split air conditioners and, by leveraging
Internet of Things (IoT) technology, enables remote management of cooling equipment in
industrial spaces, offices, and server rooms.

Technical Specifications

• Controls air conditioners via Infrared (IR) Signals
• Supports setting Temperature or time ranges
• Allows turning the AC on and off
• Instant data transmission to the gateway
• Communicates through an RJ12 6P6C port
• Operating voltage: 9–24 VDC