NK TECHNOLOGIES DS1-FD Series Instructions Manual
Also see for DS1-FD Series: Instructions
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INSTRUCTIONS1. Mount the sensor by snapping onto a DIN rail or attach-ing to a panel using the mounting holes.2. Run the wire you are monitoring through aperture.3. Connect power & output wiring.A. Use 30-12 AWG 75°C minimum copper conductorsonly and tighten terminals to 5-7 lbs torque.B. Make sure power supply matches specifications.C. Make sure controlled load requires less than thesensor contact capacity.4. Adjust SetpointA. Turn the Coarse Adjustment fully clockwise.B. Turn the Fine Adjustment fully counter-clockwise.C. Energize the monitored load, and set the trip pointby turning the Coarse Adjustment slowly counter-clockwise until the sensor trips.D. Leave the adjustment tripped to monitor for undercurrent conditions, or use the Fine Adjustment tountrip the output to detect over current conditions.DS1-FD SERIESDC Current Operated SwitchDS1 - SDTA - 24U - FDPower Supply:24U - 24 VAC/VDCOUTPUT:SDTA - Single Pole Double Throw (SPDT orForm C) relay, Auto ResetSDTL - Single Pole Double Throw (SPDT orForm C) relay, LatchingSENSOR TYPE:DS1 - DC current sensing switch with range 20-400 ADCand adjustable setpointModel Number KeySpecificationsPower Supply 24U = 20-28 VAC/VDC(24 V nominal)Power Consumption < 2 VASetpoint Range 20-400 A (DC)17-338 A (AC, typical at 60 Hz)Setpoint Adjust 270° Turn potentiometer (coarse)270° Turn potentiometer (fine)Isolation Voltage UL listed to 1250 VACFrequency Range DC to 400 HzRepeatability 0.5%Hysteresis 5% of setpointSensing Aperture 1.30” (33.0 mm)Output Rating & EnvironmentalSDTA(Automatic Reset) SPDT (Form C) Relay2 A @ 125 VAC Resistive2 A @ 30 VDC ResistiveSDTL(Latching Reset) SPDT (Form C) Relay2 A @ 125 VAC Resistive2 A @ 30 VDC ResistiveEnvironmental 20 to 50°C (-4 to 122°F)0-95% RH, Non-condensingPollution Degree 2Altitude to 6561 ft (2000 meters)Listings UL/cULQuick “How To” Guide393000107 Rev 280 ms max80 ms max80 ms maxON Delay5% over Setpoint50% over Setpoint100% over SetpointSwitching Response Time3511 Charter Park Drive, San Jose, CA 95136Phone: 800-959-4014 or 408-871-7510Fax: 408-871-7515sales@nktechnologies.com, www.nktechnologies.comCase Style:FD - Solid-Core, DIN or panel mtg. |
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