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WCC Lite integrates 1 signal relay (3-way RO connector) with COM (common), NC (normally closed), and NO (normally open) signals. Figure 10: Signal relay connector Maximum switching power is 60W, maximum contact current is 2A, maximum switching voltage is 6...

SMS receiver is a service responsible for command execution that were received via text message. The service is available on WCC Lite with modem. To use this service a working SIM card is also required. This chapter will describe command types, configuration f...

WCC Lite is based on the OpenWRT operating system. OpenWrt is described as a Linux distribution for embedded devices. WCC Lite has the same functionality as Linux OS including user management. Basic configuration on WCC Lite can be done using a web-based fron...

WCC Lite can be used as a master station to collect data from IEC 61850 compatible server devices such as protection relays. As relays require fast, secure and responsive interfaces, WCC Lite can be considered as a valid option. For additional security, a user...

WCC Lite can act as an IEC 61850 server to serve data to remote SCADA systems. For example, WCC Lite can be used to acquire data from various protocols (Modbus, IEC 60870-5-103, etc.), this data can be redirected and propagated further to a single or multiple ...

IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations. It is a part of the International Electrotechnical Commission’s (IEC) Technical Committee 57 reference architecture for electr...

This document is intended to act as a user manual and explain WCC Lite usage in detail. It is expected the person referring to this manual is experienced in programmable logic controllers (PLC), networking (IPv4, ethernet) and the use of the operating system o...

Introduction IOMod Meter is a compact-sized stand-alone power meter for measuring analog AC input signals from low-power current and voltage sensors.  It measures three phases of AC voltages and currents. The measured and calculated values are transmitted to ...

There are two types of command signals used in SMS Receiver: System: reboot wcc/reboot modem – when sending a message with text reboot, the device starts rebooting and after a successful reload sends back a message to the sender with text  REBOOT OK.  s...

System Processor ARM CPU (AR9331, 400MHz) Memory 16 MB Flash/64 MB DDR2 RAM Wireless 802.11 b/g/n I/O 1x Binary input (hardware version >=1.4) 1x Relay output Additional storage SD card (2GB by default) SD card (2GB...

With WCC Lite hardware version 1.4, a digital input functionality has been introduced. Software configuration guidelines are discussed in the WCC Lite internal signals section. It changes state when the voltage is between 12-48V (The supported range is between...

The reset button is located on the front panel of WCC Lite, to access it, remove a transparent front panel cover. Different time lengths of button pressing call different behavior. Pressing time Description Indication Short Press System reboot ...

Figure 1: Front panel status indication

WCC Lite has an optional Dual-SIM card modem. To access both SIM cards, remove a transparent front panel cover and press through the marked hole with a small tool until the SIM holder pops out. Figure 6: WCC Lite Dual-SIM card holder To insert SIM cards, r...

WCC Lite has an optional Dual-SIM card modem. To access both SIM cards, remove a transparent front panel cover and press through the marked hole with a small tool until the SIM holder pops out. Figure 5: WCC Lite Dual-SIM card slot

It is recommended to power WCC Lite from 6W (minimum) 12-24V DC power supply. A full range is 5V to 36V. Figure 3: Power input connector Note: Make sure that the device is compatible with your power source before proceeding! Check the label next to the pow...

To mount the device: Secure the top of the mounting clip onto a DIN rail. Push the bottom of a device forward to fix the clip in place. To dismount the device: Pull red-colored clip downwards (found at the bottom side of the DIN rail). Pull back the...

For hardware versions older than version 1.4, in case a Wi-Fi connection is needed, connect a Wi-fi antenna to the SMA connector labeled “WIFI“. Select a good antenna placement spot considering the operation environment. Figure 1. Wi-Fi antenna connector (har...

WCC Lite comes with an optional GSM module.There are a few hardware configurations available:  Without GSM modem. With single SIM modem (HW version 1.0 - 1.2) - 2G/3G (GPRS, EDGE / UMTS, HSDPA, HSUPA) version - 5.76Mb/s upload, 7.2Mb/s download. UMTS/HSPA ...

Devices that send unencrypted data are susceptible to attacks which might cause deliberate damage to the user system. Therefore it is highly advised to use cryptography to secure sensitive data. WCC Lite offers means to easily store certificates for their late...