Bulletin No. AFCM-A Drawing No. LP0665 Released 7/07 Tel +1 (717) 767-6511 Fax +1 (717) 764-0839 www.redlion.net MODEL AFCM - ANALOG TO FREQUENCY CONVERTER MODULE z VOLTAGE/CURRENT TO FREQUENCY CONVERTER z 3-WAY ISOLATION OF INPUT / OUTPUT SIGNALS z UNIVERSAL CONVERSION MODULE - INPUTS AND OUTPUTS SELECTED VIA DIP SWITCH SETTINGS z ULTRA SLIM DESIGN ONLY 0.244 WIDE z 19 to 30 VDC POWER UL Recognized Component, File E257265 DESCRIPTION SAFETY SUMMARY The configurable analog to frequency converter is used to convert analog The device may only be installed and put into operation by qualified personnel. standard signals to frequency signals or pulse width modulated (PWM) signals. The corresponding national regulations must be observed. Input signal ranges are 0 - 20 mA, 4 - 20 mA, 0 - 10 mA, 2 - 10 mA, 0 - 10 V, 2 - 10 V, 0 - 5 V, or 1 - 5 V. The DIP switches are accessible on the side of the housing and allow the following parameters to be configured: CAUTION: Risk of Danger. CAUTION: Risk of electric shock. Input signal Read complete instructions prior to Output values installationand operation of the unit. Output type (frequency or PWM) Filter type (for smoothing interferences on the input signal) Input over/under range fault detection SPECIFICATIONS INPUT 1. INPUT SIGNAL RANGE (Configurable): 0 - 20 mA, 4 - 20 mA, 0 - 10 mA, 2 - 10 mA, 0 - 10 V, 2 - 10 V, 0 - 5 V, 1 - 5 V DIMENSIONS In inches (mm) 2. MAX. INPUT SIGNAL: Current inputs: 100 mA Voltage inputs: 30 VDC 3. INPUT RESISTANCE: Current inputs: 50 , approx. Voltage inputs: 110 K , approx. OUTPUT 1. OUTPUT SIGNAL RANGE (Configurable): Frequencies: 0 - 10 kHz, 0 - 5 kHz, 0 2.5 kHz, 0 - 1 kHz, 0 - 500 Hz 0 - 250 Hz, 0 - 100 Hz, 0 - 50 Hz PWM: 7.8 kHz, 3.9 kHz, 1.9 kHz, 977 Hz, 488 Hz, 244 Hz, 122 Hz, 61 Hz 2. MIN. LOAD: Frequency: 6 K PWM: 2 K 3. MAX. LOAD CURRENT: 20 mA 4. OUTPUT: NPN open collector transistor 5. MAX. SWITCHING VOLTAGE: 30 V 6. OVER-RANGE/UNDER-RANGE FAULT DETECTION: Configurable 7. OUTPUT PROTECTION: Short circuit and polarity protection GENERAL DATA 1. SUPPLY VOLTAGE: 19.2 - 30 VDC 2. NOMINAL VOLTAGE: 24 VDC 3. CURRENT CONSUMPTION: < 10 mA 4. POWER CONSUMPTION: < 200 mW 5. TRANSMISSION ERROR: < 0.1% ORDERING INFORMATION 6. TEMPERATURE COEFFICIENT (MAX.): < 0.02%/K 7. STEP RESPONSE: MODEL NO. DESCRIPTION PART NUMBER 0% to 99%: < 15 msec + (1/T) With Largest Filter: < 1 sec + (1/T) AFCM Analog to Frequency Converter Module AFCM0000 8. TEST VOLTAGE (INPUT / OUTPUT / SUPPLY): 1.5 kV, 50 Hz, 1 min 9. AMBIENT TEMPERATURE RANGE: Operation: -20 t +65C (-4 to 148F) Storage: -40 to +85C (-4 to 183F) 10. FAULT DETECTION: Red LED under clear cover top11. CERTIFICATIONS AND COMPLIANCES: In order to smooth the measured values, an 7 8 OVER SAMPLING average can be formed from several measured Conformance With EMC Guideline 89/336/EEC And Low Voltage Directive 73/23/EEC 1 value values (1, 10, 50, 100). This process is called Immunity to Interference According to EN 61000-6-2 ON 10 values Over sampling. In oversampling, the average 1 Discharge of static electricity (ESD) EN 61000-4-2 Criterion B ON 50 values is updated every time the selected number of 2 Electromagnetic HF field EN 61000-4-3 Criterion A values is reached. ON ON 100 values 1 Fast transients (Burst) EN 61000-4-4 Criterion B 1 Surge voltage capacities (Surge) EN 61000-4-5 Criterion B 2 Conducted disturbance EN 61000-4-6 Criterion A DIP Switch S2 Noise Emission According to EN 61000-6-4 Using DIP switch S2, you can set the output values, the output type and fault 3 Noise emission of housing EN 55011 Class A detection. 1 Criterion B: Temporary impairment to operational behavior that is corrected by the device itself. Output Signals 2 FREQUENCY Criterion A: Normal operating behavior within the defined limits. Frequency Output: 1 2 3 4 OUTPUT 3 Class A: Area of application industry. Variable frequency/period duration T 0 - 10 kHz 12. CONNECTIONS: Wire Gauge: 24-12 AWG, Stripping length: 0.47 (12 mm) ON 0 - 5 kHz 13. CONSTRUCTION: Polybutylenterephthalate PBT, black 14. MOUNTING: Standard DIN top hat (T) profile rail according to EN50022 ON 0 2.5 kHz - 35x7.5 ON ON 0 - 1 kHz 15. WEIGHT: 2 oz. (54 g) ON 0 - 500 Hz ON ON 0 - 250 Hz WIRING CONNECTIONS ON ON 0 - 100 Hz Primary power is ON ON ON 0 - 50 Hz connected to terminals 7 or 3 (19.2 30 PWM Output VDC) and 8 or 4 PWM (Pulse Wide Modulation): 1 2 3 4 (GND 3). For best OUTPUT Variable pulse to pause ratio/fixed results, the Power ON 7.8 Hz period duration T should be relatively ON ON 3.9 Hz clean and within the specified variation ON ON 1.9 Hz limits. Drawing power ON ON ON 977 Hz from heavily loaded ON ON 488 Hz circuits or from Change can only be read by PWM circuits that also ON ON ON 244 Hz input meters. power loads that cycle ON ON ON 122 Hz on and off, should be ON ON ON ON 61 Hz avoided. The input signal is connected to terminal Fault Detection 1 (In UI) and 2 (GND 1). Connections for 5 6 INPUT OVER RANGE the output signal is on Freeze at 100% measuring range end value terminals 5 (Out f) and ON 105% measuring range end value 6 (GND 2). ON 110% measuring range end value ON ON Fault detection OFF (continues past end value) 7 8 INPUT UNDER RANGE Freeze at 100% measuring range start value CONFIGURATION ON 105% measuring range end value DIP Switch S1 Using DIP switch S1, you can set the input values, and the values for Moving ON 110% measuring range end value Average Filter and Over sampling. ON ON Fault detection OFF (stops at start value) 1 2 3 4 ANALOG IN 0 10V INSTALLATION ON 1 5V The unit is equipped with a universal mounting foot for attachment to ON 0 5V standard DIN style top hat (T) profile rail according to EN50022 - 35 x 7.5 and ON ON 2 10V 35 x 15. The unit should be installed in a location that does not exceed the ON ON 0 20 mA maximum operating temperature and provides good air circulation. Placing the unit near devices that generate excessive heat should be avoided. ON ON ON 4 20 mA ON ON ON 0 10 mA T Rail Installation ON ON ON ON 2 10 mA To install the AFCM on a T style rail, angle the module so that the top groove of the foot The moving average filter can group MOVING WINDOW 5 6 AVERAGING is located over the lip of the top values (1, 2, 4, 6) using moving window rail. Push the module toward the 1 value averaging to form a new measured value. In rail until it snaps into place. To moving window averaging, the average of a ON 2 values remove a module from the rail, fixed number of measured values is taken, ON 4 values insert a screwdriver into the slot whereby the oldest value is always dropped ON ON 6 values on the bottom of the foot, and and the most recent added. pry upwards on the module until it releases from the rail. 2