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Summary of Contents for CCS WattNode WND-WR-MB
- Page 1 aNge ® odbus ® Electric Power Meter - Installation Guide Model: WND-WR-MB www.ctlsys.com...
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Page 2: Table Of Contents
Contents Precautions ..........................3 Symbols ............................3 Overview............................3 Additional Literature........................3 Electrical Service Types ......................4 Installation ..........................6 Installation Checklist ........................6 Mounting .............................7 Connect Voltage Terminals ......................7 Connect Current Transformers ....................7 RS-485 Communication ......................8 Operation ..........................10 Initial Configuration ........................10 Power Status LEDs ........................10 Modbus Communication LED ....................11 Monitoring ..........................12 Maintenance and Repair ......................12 Specifications .........................12... -
Page 3: Precautions
1 Precautions ● Only qualified personnel or licensed electricians should install the WattNode meter. The mains voltages of 100 to 600 Vac can be lethal! ● Follow all applicable local and national electrical and safety codes. ● The terminal block screws are not insulated. Do not contact metal tools to the screw terminals if the circuit is live! ●... -
Page 4: Electrical Service Types
Monitoring Device Continental Control Systems LLC ODBUS ® A−, D0, RxD−/TxD− A – Ground WND-WR-MB B+, D1, RxD+/TxD+ Common WHITE BLACK Source Faces Current Transformers Neutral Figure 1: Wiring Diagram 2.2 Electrical Service Types The WND-WR-MB meter supports any electrical service from 100 to 600 Vac, line-to-neutral or line- to-line, 50 to 60 Hz, single-phase, split-phase, or three-phase, wye or delta. - Page 5 2.2.2 Single-Phase, Two-Wire, Line-to-Line This circuit occurs in residential (commonly 120/240 Vac) and some commercial applications (such as 208 or 480 Vac line-to-line). The meter will be powered from the V and V input terminals. Two CTs are typically used as shown below. ®...
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Page 6: Installation
2.2.5 Three-Phase, Four-Wire Wye This is a common commercial and industrial service that includes a neutral conductor. The CTs should be placed around the L1, L2 and L3 line conductors and connected to the CT1, CT2, and CT3 terminals respectively. The meter will be powered from the V , and V terminals. -
Page 7: Mounting
3.3.2 Line Wiring ● Always turn off power before connecting the line voltages to the meter. ● For the line voltage wires, CCS recommends 18 to 12 AWG stranded wire, type THHN, MTW, or THWN, 600 V. ● Use copper conductors only. The screw terminals are only rated for copper wire. -
Page 8: Rs-485 Communication
The standard meter supports CTs with a 0.33333 Vac output (one-third volt). With the correct op- tions, the meter can support CTs with a 40 milliamp output: contact CCS for details. 3.4.1 Current Transformer Installation See the web article Selecting Current Transformers for information on selecting appropriate cur- rent transformers (CTs). - Page 9 ● Three conductors without shield: use the three conductors for the A-, B+, and C (common). If two of the conductors are twisted together, use those for the A- and B+ terminals. ● Three conductors with shield: use the three conductors for the A-, B+, and C (common). If two of the conductors are twisted together, use those for the A- and B+ terminals.
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Page 10: Operation
Use DIP switches 1-6 to select the Modbus address (1 to 63). DIP Switch Up (1) Value Address Examples 1, Up 0, Down 0, Down 0, Down 0, Down 0, Down 1+2+4 = 7 1, Up 1, Up 1, Up 0, Down 0, Down 0, Down 4+16 = 20 0, Down 0, Down... - Page 11 4.2.2 Positive Power Any phase with the LEDs flashing green is indicating normal positive power. Green Off Green Off Green Off 4.2.3 No Power Any phase with a solid green LED indicates no power, but line voltage is present. Green 4.2.4 No Voltage Any phase LED that is off indicates no voltage on that phase.
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Page 12: Modbus Communication Led
Modbus interface or the status LEDs. In the event of any failure, the meter must be returned for service (contact CCS for an RMA). For a new installation, follow the troubleshooting instructions in the... -
Page 13: Eia Rs-485 Interface
Power Supply Power Factor: typically 0.6 Nominal Line-to-Neutral Vac: 100 to 347 Vac Nominal Line-to-Line Vac: 120 to 600 Vac Over-Current Limit: 200% of rated current. Exceeding 200% of rated current will not harm the WattNode meter but the current and power will not be measured accurately. Maximum Surge: EN 61000-4-5: 4kV, ANSI C12.1: 6kV, 1.2/50 μs — 8/20 μs Operating Frequencies: 50/60 Hz Measurement Category: The line voltage measurement terminals on the meter are rated for CAT... -
Page 14: Environmental
● Surge Immunity: EN/IEC 61000-4-5: (A) No Degradation ● Conducted RF Immunity: EN/IEC 61000-4-6: (A) No Degradation ● Power Frequency H-field Immunity: EN/IEC 61000-4-8: (A) No Degradation ● Voltage Dips, Interrupts: EN/IEC 61000-4-11: (B) Self-Recovering RoHS Compliant: European Parliament Directive 2011/65/EU: Hazardous Substances 5.5 Environmental Operating Temperature: -40°C to 80°C (-40°F to 176°F) Altitude: Up to 3000 m (9842 ft) - Page 15 The FCC limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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Page 16: Warranty
CCS’s responsibility is limited to repair, replacement, or refund, any of which may be selected by CCS at its sole discretion. CCS reserves the right to substitute functionally equivalent new or serviceable used parts.
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