Danfoss VLT HVAC Drive FC 102 Operating Instructions Manual

Also see for VLT HVAC Drive FC 102: Operating instructions Service guide Programming guide Installation guide Installation guide

Analog inputsNumber of analog inputs 2Terminal number 53, 54Modes Voltage or currentMode select Switch S201 and switch S202Voltage mode Switch S201/switch S202 = OFF (U)Voltage level -10 to +10 V (scalable)Input resistance, Ri approx. 10 kΩMax. voltage ±20 VCurrent mode Switch S201/switch S202 = ON (I)Current level 0/4 to 20 mA (scalable)Input resistance, Ri approx. 200 ΩMax. current 30 mAResolution for analog inputs 10 bit (+ sign)Accuracy of analog inputs Max. error 0.5% of full scaleBandwidth 20 Hz/100 HzThe analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.MainsFunctionalisolationPELV isolationMotorDC-BusHighvoltageControl+24VRS4851837130BA117.10Illustration 8.1 PELV IsolationPulseProgrammable pulse 2/1Terminal number pulse 291), 332)/333)Max. frequency at terminal 29, 33 110 kHz (Push-pull driven)Max. frequency at terminal 29, 33 5 kHz (open collector)Min. frequency at terminal 29, 33 4 HzVoltage level see chapter 8.6.1 Digital InputsMaximum voltage on input 28 V DCInput resistance, Ri approx. 4 kΩPulse input accuracy (0.1-1 kHz) Max. error: 0.1% of full scaleEncoder input accuracy (1-11 kHz) Max. error: 0.05 % of full scaleThe pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.1) FC 302 only2) Pulse inputs are 29 and 33Analog outputNumber of programmable analog outputs 1Terminal number 42Current range at analog output 0/4-20 mAMax. load GND - analog output 500 ΩAccuracy on analog output Max. error: 0.5% of full scaleResolution on analog output 12 bitThe analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.Specifications Operating InstructionsMG11AK02 Danfoss A/S © Rev. 06/2014 All rights reserved. 538 8