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NC-Watch solution Identify your reactive power usage Nokian Watch solution makes it possible to know: - How much reactive power you use. - When you use reactive power. - Where you use reactive power. Management means lower costs An example of monitoring the outage of the capacitor bank Nokian Watch solution makes it possible to: - Manage hardware conditions. - Manage the total energy bill. Available now NC-WATCH solution is a costeffective system for improving remote control supervision and the complete analysis of your network. Capacitor bank off due to the missing control voltage for the contactors. Alarm 1 (out of steps) activated. Control voltage restored. Alarm reseted. Connecting power factor controller to RIU One controller is connected to the RIU using an optic fiber. Multiple controllers are connected to the RIU using multiple MCUs and RS-485 buses. PFC PFC CCA max. 30 m PFC CCA max. 30 m CCA MCU MCU Out A In A Out B max. 1 km/1 bus Out C Out D In B Out E RIU In A and In B : Input connection alternatives Out A - E : Output connection alternatives Optic fiber PFC Power factor controller LAN cable CCA Controller communication adapter RS-232 MCU Modbus coupler unit RS-485 RIU Remote information unit Communicating with RIU GSM modem connected to the RIU sends one or more SMS messages to the GSM phone. max. 5 m RS-232 modem A computer, equipped with RS-485 adapter is connected to RIU using RS-485 bus. Computer is connected to the RIU using a serial connector (RS-232). max. 1 km/1 bus Computer is connected to the RIU using a modem connection. max. 5 m max. 5 m RS-232 modem RS-232 modem max. 100 m Internet max. 100 m VPN/Firewall LAN network max. 100 m Computer is connected to the RIU using a local area network (LAN) or via Internet by using a firewall/VPN. RIU (Remote Information Unit) In line with our policy of on-going product development we reserve the right to alter specifications. Nokian Capacitors Ltd. Kaapelikatu 3, P.O. Box 4 FI-33331 Tampere, Finland Tel. +358 3 3883 11, fax +358 3 3883 360 www.nokiancapacitors.com EN-EL04-11/2005 CCA (Controller Communication Adapter)