Approvals and Certifications

Approvals and Certifications This page lists approvals and certifications for Continental Control Systems’ metering products. Contents 1 Underwriters Laboratories (UL) Listings 2 ANSI C12.1 Electric Meter Revenue Standard 3 FCC 4 RoHS 5 CE Mark 6 LonMark Certification 7 BACnet Testing Laboratories (BTL) 8 See Also Underwriters Laboratories (UL) Listings UL and cUL Safety Listed: […]

WattNode Modbus FAQ

WattNode Modbus FAQ Frequently Asked Questions What software and hardware do you recommend to enable me to gather data from your WattNode® Modbus® and to configure its CT amps ratings? Communication Software and Hardware for the Modbus WattNode Why does the integer frequency register not read 600 (i.e. 10 x 60 hz.)? Incorrect Line Frequency […]

WattNode FAQ

WattNode FAQ This article is still being developed and is not yet complete. If you need assistance with this topic, you may want to search other articles for related information, or contact CCS technical support: mailto:support@ctlsys.com. How is the WattNode powered? See How the WattNode Is Powered Can I monitor VSD's (variable speed drives, variable [...]

What is the difference between 3D and 3Y WattNode meter models?

What is the difference between 3D and 3Y WattNode meter models? The ØA, ØB, and ØC voltage connections on a WattNode meter are used for two things: measuring the line voltage, which is needed to calculate energy, and to supply a few watts of power to operate the meter. The “3D” and “3Y” characters in […]

Current Transformer FAQ

Current Transformer FAQ Frequently Asked Questions Can I parallel two or more CTs? Generally yes. See Paralleling Current Transformers. Can I extend CT wires? Yes, generally the CT lead wires can be extend by 100 feet or more, but longer wires can result in increased noise or interference, which can decrease accuracy. See Current Transformer […]

WattNode BACnet FAQ

WattNode® BACnet® FAQ What is the difference between the DIP switch (MAC) address and the Device ID (Device Object Instance or Device Object Identifier)? Both the MAC address and Device ID are used to address WattNode meters in a BACnet network. The MAC address is an eight bit address used within a BACnet MS/TP (RS-485) […]

Does the WattNode Need Fuses

Fusing the WattNode Overview There must be an overcurrent protection device (circuit breaker or fuse) protecting each phase conductor connected to the WattNode® meter’s voltage input terminals (green, 5 circuit screw terminal block). However, in some cases, the circuit being monitored is already protected by fuses or circuit breakers and there is no need for […]