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Download AAR Analog Input to Two High and Low Trip Level Relay Outputs
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Supply Label Location 24 12 0-20mA L2 J2 A1 F A2F NC C1 NO J1 IN H2 L1 - H1 + J1 SEE NOTE #1 NC C1 NO Snap together to extend signal and power Label Location 24 12 0-20mA L2 H2 L1 IN + - H1 J2 A1 F A2F NC C1 NO NC C1 NO Installation and Operation Instructions AAR Analog Input to Two High and Low Trip Level Relay Outputs Set Dip Switch for Signal Input Ranges 0-20mA 24 12 J1 0-20mA 0-12V 24 12 J1 0-20mA 0-24V 24 12 J1 0-20mA (+) Analog Input (-) Signal (+) (-) Installation READ THESE INSTRUCTIONS BEFORE YOU BEGIN INSTALLATION. Ground yourself to discharge static electricity before touching any electronic equipment, as some components are static sensitive. Mounting: The interface device can be mounted in any position. If circuit board slides out of snap track, a non-conductive “stop” may be required. Use only fingers to remove board from snap track. Slide out of snap track or push up against side of snap track and lift that side of the circuit board to remove. Do not flex board or use tools. POWER CONNECTIONS – THIS PRODUCT ACCEPTS 24 VDC or 24 VAC, 50/60HZ POWER. Be sure to follow all local electrical codes. Refer to wiring diagram for connection information. Make all connections with the power off. 1. DC Power– Refer to wiring diagram for connection information. If the 24 VDC power is shared with devices that have coils such as relays, solenoids, or other inductors, each coil must have an MOV, DC Transorb, or diode placed across the coil or inductor. The cathode, or banded side of the DC Transorb or diode, connects to the positive side of the power supply. AUTOMATION COMPONENTS, INC 2305 Pleasant View Road Middleton, Wisconsin 53562 (888) 967-5224 www.workaci.com I0000467 Page 1 of 2 Version : 1.0 2. 3. 4. AC Power –Refer to wiring diagram for connection information Check the wiring configuration of any other loads that may be connected to this transformer. If required by BAS or controller specification, the 24 VAC neutral can be earth grounded at the transformer. Analog input, digital input, and analog output circuits should not be earth grounded at two points. Any field device connected to this transformer must use the same common. If you are not sure of other field device configuration, use separate transformers for isolation. You should measure the actual voltage output of the secondary. If the output is not fully loaded you may read a higher voltage than the circuit board can handle. Calibration and Checkout 1. Each relay can be individually set for a Fixed or Adjustable deadband. Place jumper shunts for relay 1 or 2 on A for adjustable or F for fixed (or a combination of each). In the example shown below Relay 1 is set for an adjustable deadband. The turn on level is set with the High (H1) potentiometer. The turn off level is set with the Low (L1) potentiometer (see diagram on page 1 for location of H1 and L1). Relay 2 is set for a fixed deadband, which allows a deadand of 3% of the input signal between the turn on and turn off signal levels. Use the Low (L1) potentiometer to set the turn off level of the fixed deadband (the High potentiometer is out of the circuit). A1 F Relay 1 Relay 2 J2 A2F 2. Three input signal ranges can be selected. Set J1 to the desired type. Note: If the first board is to receive a 0-20 mA signal, then any attached boards must be set at the 0-12 VDC signal mode t o operate correctly! If the input signal is voltage, then set attached boards to same voltage as the first board. Up to 6 boards may be cascaded from same power supply. More can be connected if external power connection is jumpered to every sixth board. 3. 4. 5. 6. 7. 8. 9. 10. After jumpers are placed in the desired setting, turn on 24 volt power supply. Turn all four potentiometers counterclockwise (these are approx. 20 turn pots). Provide an input signal level equal to the desired turnoff point. Adjust the L (low) potentiometer clockwise until the LED for that relay just turns OFF. Turn the H (high) potentiometer for the relay clockwise (these are approx. 20 turn pots). Provide an input signal level equal to the desired turn-on point. Adjust the H potentiometer counterclockwise until the LED for that relay just turns ON. Repeat steps 5 through 9 for each relay. EU Commission Directive 2002/95/EC Product Specifications Supply Voltage 24 VDC or 24 VAC, 50/69HZ Power Consumption 45mA Max. Input Impedance 0-12 VDC/1,000,000 Ohms 0-24 VDC/20,000 Ohms 0-20mA/499 Ohms Contact Ratings 10 Amps @ 120 VAC Warranty Specification The ACI Wireless Series is covered by ACI’s Two (2) Year Limited Warranty, which is located in the front of ACI’S SENSORS & TRANSMITTERS CATALOG or can be found on ACI’s web site: www.workaci.com. AUTOMATION COMPONENTS, INC 2305 Pleasant View Road Middleton, Wisconsin 53562 (888) 967-5224 www.workaci.com I0000467 Page 2 of 2 Version : 1.0