PowerPDU 4C

Netio

Smart PDU 4-Way

What is it?

NETIO PowerPDU 4C is a small 110/230V PDU (Power Distribution Unit). Each of the four IEC-320 C13 outlets can be independently controlled (On / Off / Reset / Toggle). Electrical parameters (A, W, kWh, TPF, V, Hz) are measured with high accuracy at each outlet. The device features two LAN ports (and a built-in Ethernet switch) for connecting to a LAN. Each power output supports ZCS (Zero Current Switching) to protect the connected equipment. With the NETIO Cloud service, the outputs can be controlled from anywhere. The NETIO Cloud service, provided for a fee, uses SSL security and servers in Europe.

Outputs can be controlled in the device web administration, using a mobile app or over various M2M API protocols (REST API, SNMP, MQTT, Modbus/TCP and more). Custom Lua scripts can run directly in the NETIO PowerPDU 4C. As a special feature, NETIO PowerPDU 4C provides a RS-232 serial port (green 3-pin terminal block) that can be controlled with a Lua script or used as a TCP tunnel (remote serial port).

M2M API: OPEN INTERFACE (13 PROTOCOLS)

NETIO PowerPDU 4C is a smart PDU (Power Distribution Unit). With the support for many network protocols that can be used to control each power outlet individually and measure electricity consumption, the device is unique on the market.

Thanks to many supported M2M APIs, NETIO devices are easy to integrate into existing systems that consist of HW/SW from many different producers.

SECURITY IN M2M PROTOCOLS (HTTPS / SSL)

NETIO PowerPDU 4C supports a high level of network security.

The HTTPs protocol secures the connection between the browser and the web server. As long as HTTPs is activated, the device administration as well as M2M protocols over HTTPs (URL-API, XML, JSON) are secured with SSL encryption.

The third SNMP v3 generation offers a better password protection in comparison to previous SNMP versions.

The MQTT protocol for IoT cloud applications includes SSL security.

USECASES FOR NETIO POWERPDU 4C:

• In IT, the NETIO 4C smart PDU is typically used to distribute electricity in a 19″ rack (cabinet) in a data center.

• NETIO PowerPDU 4C is frequently used in conferencing rooms and in multimedia AV applications – whenever there is a need to individually control 110/230V electrical outlets from a master system (e.g. a control panel in the meeting room).

• Typical applications also include energy metering for equipment monitoring (3D printer, lab equipment, …)

• In the area of Digital signage or AV multimedia, companies often use NETIO sockets to control multimedia screens and to monitor their functionality (using power measurements). NETIO supports the publishing of drivers for most common systems in this field.

• Remote or autonomous restarting of equipment in monitoring centers or information stands – at places that must operate 24/7 without outages (airports, shopping malls, railway dispatching centers, call centers, …)

• NETIO is used to monitor (watchdog & measurement) and control a couple of devices such as light controller, filter pump, flow pump, heating etc. of a larger aquarium. The start-up behavior after a power failure and alert functions are also important.

POWER MEASUREMENT

NETIO PowerPDU 4C measures electrical parameters separately for each output. Measured values are displayed in the web administration interface and accessible via M2M protocols. NETIO PowerPDU 4C measures with accuracy better than 1%.

• 4x Current [A] • 4x Output power [W] • 4x Energy [Wh] • 4x TPF (True Power Factor)
• Voltage [V] • Grid frequency [Hz] • Phase [-180 … 180°]

NETIO CLOUD

This product can be connected to the NETIO Cloud service (100 outputs can be controlled from 1 web screen). NETIO Cloud is an ideal solution for remote control and restarting.
The paid NETIO Cloud service is operated by NETIO products a.s. as a support for manufactured equipment.

• All products manufactured by NETIO products can be connected to NETIO Cloud.
• The user can control connected devices securely via the web from anywhere (HTTPs).
• The first 3 years are free connection to the service thanks to the “Welcome credit”.
• NETIO Cloud can be used in parallel with other Open API protocols.
• Secure device communication to the Cloud service (port 8883 – MQTTs – TLS)
• NETIO Cloud has its own Open API, which can be used to control all devices in a specific user account (MQTTS protocol).

RS-232 SERIAL PORT OF NETIO 4C

NETIO PowerPDU 4C provides a RS-232 serial port at its 3-pin green terminal block. The serial port can be used as a remote serial port (tunnel from a TCP connection to the serial port), or controlled with Lua scripts.

Lua scripts can send strings to this serial port and read any responses. This makes it easy to connect various industrial devices in order to, for example, react to a high temperature sensed by a RS-232 sensor by switching on a particular outlet.

High quality, close-tolerance and precisely selected crossover components and internal wires for absolute sound neutrality, long-term high power and reliability.

LUA – PROGRAMMABLE SCRIPTS

PowerPDU 4C can run custom scripts written in the Lua language. The user enters the script in the device’s web administration interface. There is no need to install any additional software. The scripts run directly in the device and do not require any cloud connection.

User Lua scripts can:

• Switch individual power outlets on/off (AN01)
• Send e-mails
• Read values or send commands over RS-232 (AN18)
• Send and receive ICMP PING requests and replies (AN09, AN24, AN25)
• Download and parse XML files from other devices (from a given IP address) – (AN13, AN14)
• Communicate with other IP products using SNMP and Modbus/TCP as a client – M2M Active Client
• Work with date and time (Scheduler / Calendar) (AN07, AN17)
• The Application Notes (ANxx) page contains more examples of Lua scripts as well as practical tutorials for individual functions.

MONITORING OF NETWORK DEVICES (IP WATCHDOG FUNCTION)

The IP WatchDog function of NETIO PowerPDU 4C monitors PING (ICMP) responses. The monitored device (router, IP video camera, …) can be easily restarted without human intervention. The function can be configured over the web interface.

Lua extensions of the IP WatchDog

As a unique feature of NETIO products, Lua scripts can be used to write more complex conditions for monitoring other devices. For example, the correct operation of other devices (heartbeat) can be checked by parsing XML files, loading web pages, and so on.

• AN09: IP Watchdog 1 of 2 – PING based failure detection for 1 or 2 devices (Lua script).
• AN24: IP WatchDog 1 to 1 – device LAN connectivity detection and indication (Lua script).
• AN25: IP WatchDog 2 from 10 – list of monitored devices, failure indication by power output (Lua script).

POWERUP STATE

For some applications, it is important to set the correct state of a power output immediately after power is turned on (or restored). The “PowerUp state” parameter defines the behavior of the 110/230V outlets just after power is restored, before the standard communication with the master system is established.

• On
• Off
• LAST state restores the last state before the power was disconnected

Delayed switch-on function ensures that the 110/230V power output is switched on with a configurable delay (several seconds) after the power is restored. This can avoid circuit breaker tripping when power is restored after an outage.

BUILT-IN ETHERNET SWITCH

NETIO PowerPDU 4C includes two RJ45 ports for connecting to a LAN. The device includes a built-in (unmanaged) Ethernet switch. Several PowerPDU 4C units can be “daisy-chain” connected to a single RJ45 LAN socket; each PowerPDU 4C will have its own IP address.

ZCS (ZERO CURRENT SWITCHING)

An important feature of NETIO PowerPDU 4C is ZCS (Zero Current Switching). ZCS means that the control relay switches the IEC-320 C13 output power outlet on or off when the current crosses the zero level.

• Thanks to ZCS, the device can control switching power supplies (servers, computers and other IT equipment) up to the maximum rated power.
• Using ZCS (Zero Current Switching) to switch on the outputs reduces the chance of a circuit breaker tripping when power is restored after an outage.
• Since the relay switches when the sinusoidal current curve crosses the zero level, negative effects of inrush current are significantly reduced.
• ZCS significantly reduces EMC interference generated by connecting and disconnecting 230V appliances.
• In the long term, ZCS reduces PowerPDU 4C failures due to internal relay damage.
• ZCS extends the lifetime of connected equipment; especially in case of frequent on/off switching of devices that are not designed for that (such as switching power supplies).
• When a load is switched several times per day, ZCS puts less stress on the connected equipment and saves maintenance costs (power supply replacements for frequently switched equipment).

IOC (INDEPENDENT OUTPUT CONTROL)

NETIO PowerPDU 4C can be used for professional applications, such as powering servers. With servers in particular it is important to avoid momentary power switch-on or switch-off.

Output control is therefore completely independent from the LAN communication subsystem. The on/off status of an output outlet is not affected by any LAN disconnection, internal device reboot or firmware upgrade.

SCHEDULER (TIMED SWITCHING OF INDIVIDUAL OUTLETS)

The switching of outlets can be time-controlled by the Scheduler with a graphical interface. Switching on/off at specific times can be easily configured.

• Each output can have its own schedule, according which the output is switched
• While Scheduler (calendar) is running, the output can be controlled from NETIO Cloud, web interface or Open API
• The Scheduler does not require an internet connection (requires a time source – NTP server – for example a local ADSL / WiFi router)

For more detailed settings, extensions of the Scheduler function using Lua scripts are also possible (AN07, AN17).

MOBILE APPLICATION

PowerPDU 4C can be controlled over the local network using the NETIO Mobile 2 app (for Android mobile devices).

• The mobile app can be used to control several devices and all their outputs.
• The mobile device must be connected to the same LAN (via WiFi).
• NETIO Mobile2 can scan the LAN and discover connected devices. WiFi connection to the LAN is required.

For PowerPDU 4C, NETIO Mobile app is also available for iOS users.

Alternatively, you can use third-party apps:

AN39 NETIO and third-party mobile apps for iPhone – iOS (URL API, Telnet, Modbus)
AN38 NETIO and third-party mobile apps for Android (URL API, Telnet, Modbus)

GENERAL PROPERTIES

Switched
Power
Outputs
Metered
channels
LAN Web NETIO Cloud Lua scripts Watchdog Scheduler Mobile App Open API 19“ 1U
montage
Switching
PowerPDU 4C 4xC13 4 2 Yes Yes Yes Yes Yes iOS Android 15 protocols RM1 RM2 
required
ZCS
PowerPDU 4PS 4xC13 1 Yes Yes Yes Android 10 protocols RM1 RM2 
​required
ZVS
PowerPDU 8QS 8xC13 2 1 Yes Yes Yes Android 10 protocols Yes ZVS

Power

• 110/230V power input
• 4x IEC-320 C13 output
• Individual metering at each output
• Zero current switching (ZCS) at each output
• Push-button control of each output
• Defined power-up output state

Open API interface

• WEB interface for configuring the product, HTTPs capable
• Fully-documented M2M API (13 protocols)
• RS-232 serial port controlled with a local Lua script
• Online demo for testing

Unique features of PowerPDU 4C

• Built-in Ethernet switch
• No momentary output switching even during FW upgrade
• Lua scripts running directly in the device
• Scheduler function with a graphical interface
• IP WatchDog function
• Support for measurements with external sensors
• Support for reading from / writing values to UPC using SNMP

 

Product Comparison

Connection Switched
Outputs
Metered
Channels
Smart
Switching
Inputs NFC Web
Interface
NETIO
Cloud
Lua
scripts
WatchDog
function
Scheduler
function
Mobile App HTTPs Open APIs
2xLAN 4xC13 4 ZCS RS-232 Yes Yes Yes Yes Yes iOS +
Android
Yes 15 protocols
LAN 4xC13 ZVS Yes Yes Yes Android 10 protocols
PowerPDU 8QS LAN 8xC13 1+1 ZVS 1xDI Yes Yes Yes Android 10 protocols
PowerDIN 4PZ LAN
WiFi
2+2 2 ZCS / – 2xDI
(S0)
Yes Yes Yes Yes Android 10 protocols
PowerBOX 3Px LAN 3x ZVS Yes Yes Yes Android 10 protocols
PowerBOX 4Kx LAN 4x 4 ZCS Yes Yes Yes Android 10 protocols
PowerCable REST WiFi 1x 1 ZCS Yes Yes Yes Yes Android 10 protocols
Brand

Technical Specifications:

Power Ratings Supply voltage: 110/230 VAC / Max 10A
Low internal consumption: 2 to 5 W
Surge protection: Yes
Max energy 125J
Maximum applied voltage 300Vrms
Max. peak current 20/80us 4500A
Max. clamping voltage 775V
Power Outputs 4x IEC-320 C13 / Max 10A per output
PowerUp state: Yes – configurable default power-on state (On / Off / LAST)
ZCS (Zero Current Switching): Yes – configurable default state (On / Off / LAST)
IOC (Independent Output Control): Yes
Power Measurement 4x Current [A] 4x Consumption [kWh] 4x Output power [W] 4x TPF (True Power Factor)
Frequency [Hz] Voltage [V] Phase [-180° to 180°] Accuracy: better than 1% (25°C)
Communication 2x LAN 10/100 Mbps (RJ-45)
Built-in unmanaged Ethernet switch
RS-232 serial port (3 pins: Rx, Tx, GND)
USB: Only as a 5V / 1A supply output
Mobile app: NETIO Mobile 2
FW upgrade over the Web interface: Yes
Protocols: HTTP, HTTPS, SMTP, DNS, NTP, UPnP, DHCP, SNMP, ICMP, MQTT, SSL, Modbus/TCP
Service Cloud connection needed for installation: No
Service: NETIO Cloud (paid service, secured by TLS)
Controls Main power switch
4x button for individual sockets
LED indication of current outlet states
Sound indication: Yes
Open M2M API  JSON over HTTP (default protocol)
MQTT (not MQTT-flex)
SNMP v1 (reading only)
SNMP v3
Modbus/TCP
XML over HTTP
URL API (http get) (Outputs only)
Telnet (Outputs only, backwards compatible with KSHELL)
HTTPs Push JSON
HTTPs Push XML
Lua Active Client protocols Lua PING request (AN09, AN24, AN25)
Lua XML over HTTP get (AN13, AN14)
Lua URL API over HTTP get (AN06)
Lua SNMP v1 (AN16)
Lua MQTT (AN35)
Lua RS-232 (Serial port) (AN18)
Build-in functions IP WatchDog function
Scheduler function (calendar)
Lua scripting Support for in-device Lua scripts: Yes
M2M Active Client: Yes
Lua access to RS-232: Yes
Operating conditions Temperature: -20°C to +65°C
For indoor use only (IP30)
Package contents NETIO PowerPDU 4C
QIG (printed Quick Installation Guide)
Power cable (Europlug C13 by default)
Miscellaneous Warranty: 24 months
NETIO PowerPDU 4C: 220 x 40 x 120 (w x h x d)
Cable length: 1m
Weight: 0.8 Kg
Package: 255 x 73 x 204 mm (w x h x d)
Standards:
EN 61010-1 ed.2:2011
EN 61326-1 ed.2:2013
EN 55011 ed.3:2010
Designed and made in the Czech Republic

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