Zero Current Switching (ZCS) ensures that a relay contact is closed at the zero crossing and opened at the precise moment when zero current flows through it. This has a number of advantages for smart power devices using relay switching techniques. With less potential harm from inrush currents, there is less wear on the relay itself and greater protection for connected switch mode power supplies (SMPS). There is also significantly reduced electromagnetic interference from repeated switching On/Off. Opening a relay contact when the current is zero is important for inductive loads (motors, transformers) but less so for capacitive loads including switch mode power supplies (SMPS) of the type found in computers, servers and IT network peripherals.
Perseus Remote Monitoring System
Perseus is an intelligent monitoring solution designed to easily connect to a range of devices in order to read and record data.
The range includes Perseus Monitoring, Perseus Energy and Perseus Industrial devices.
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Applications (39)
- Temperature & Humidity (28)
- Water Leakage Detection (27)
- Server Rack Monitoring (29)
- Hardwired Ethernet Devices (29)
- Wi-Fi Connectivity Units (8)
- Wireless Devices (9)
- Narrowband IoT Devices (4)
- GSM Mobile Comms (9)
- Air Quality (4)
- Battery Monitoring (7)
- Branch Circuits (2)
- Power Monitors (28)
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Security Monitors (27)
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Data Centres (11)
- Data Loggers (11)
- Data Aquisition Systems (2)
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Accessories (161)
Perseus Monitoring
The Perseus Monitoring series is designed for environmental monitoring in the IT, pharmaceutical, food and other manufacturing and process control industries, and includes support for the audit of independent ISO Quality Management Systems (QMS) and other specific professional certifications.
Perseus Energy
The Perseus Energy series is designed to measure energy consumption and savings, and develop methods to improve the efficiency of heating and cooling systems, including the production of independent reports for subsidy and grant schemes.
Perseus Industrial
The Perseus Industrial series is a range products designed for project deployment in a wide range of environments, including engineering applications and is primarily aimed at supporting industry standards. The devices can run as PLCs using customer specific LUA scripts.
Perseus devices are designed to efficiently evaluate and transmit accumulated data to a remote portal, applying logic in order to allow both simple or more complex actions to be taken.
Perseus Range Features
- Sensor alerting and environmental security of monitored areas and devices
- Combination of LAN and LTE communications in a single product
- Supports RS-485 sensors from HWg in most models, as well the Modbus RTU protocol and third-party sensors
- Perseus Energy models support the M-Bus interface
- WLD zone input for water detection
- Open API support including MQTT broker, SNMP and XML
- Customer LUA scripts available on the Perseus device
- High level security including HTTPS + Radius
- Built-in calendar and scheduler with action settings
- Connect dozens NETIO smart PowerPDUs to a single Perseus unit
Compatible Devices
The following devices connect to Perseus:
| Range | Application | Ranges | Products |
|---|---|---|---|
| HW Group | Environment Monitoring and Security | Poseidon2 | Poseidon2 3366, Poseidon2 3268, Poseidon2 4002 |
| STE2 | STE2-Lite, STE2-R2, STE2 Plus | ||
| WLD | WLD2 | ||
| SD | SD-2×1 Wire, SD-4-20mA, SD-WLD, SD-2xIn, SD-2xOut | ||
| Damocles | Damocles2, Damocles 1208, Damocles 2404 | ||
| HWg-PWR | HWg-PWR3, HWg-PWR12, HWg-PWR25 | ||
| IP Watchdog | IP Watchdog2 Industrial | ||
| Netio | Smart Power | PowerDIN | PowerDIN-4PZ |
| PowerPDU | PowerPDU 8QS, PowerPDU 8KS | ||
| PowerCable | PowerCable 101 IEC 320, PowerCable 101 UK Socket |
Sensors and Detectors
Digital Outputs (DO), Relay, Virtual Digital Output (VDO), 230V Digital Output Relay, Ext Digital Output, Digital Input (DI), Input DI (SD Counter), Phase Input, Analogue Input (AI), 1W-UNI sensors, RS-485 sensors, M-BUS sensors and WLD Sensors.
Features
Ethernet, WiFi, LTE, TLS, XML API, SNMPv3 API, IPv6, SMTP, Modbus TCP, Modbus RTU, SysLog, Data logger and MQTT.
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