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Technical Instructions
U253
LEDs 10
Automated Logic Corporation • 1150 Roberts Blvd. • Kennesaw, GA 30144 • 770/429-3000 • 770/429-3001 Fax •
www.automatedlogic.com • Copyright 2002 Automated Logic Corporation. All rights reserved. Automated Logic, the
Automated Logic logo, SuperVision, Eikon, WebCTRL, Alert, and InterOp are registered trademarks of Automated Logic
®
Corporation. BACnet
is a registered trademark of ASHRAE. All other brand and product names are trademarked by
their respective companies.

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Summary of Contents for Automated Logic U253

  • Page 1: Table Of Contents

    LEDs 10 Production Date 11 Automated Logic Corporation • 1150 Roberts Blvd. • Kennesaw, GA 30144 • 770/429-3000 • 770/429-3001 Fax • www.automatedlogic.com • Copyright 2002 Automated Logic Corporation. All rights reserved. Automated Logic, the Automated Logic logo, SuperVision, Eikon, WebCTRL, Alert, and InterOp are registered trademarks of Automated Logic ®...
  • Page 2: Using The U253

    ALC • two digital outputs recommends that all time delay functions and • two LogiStat inputs trend intervals in U253 FBs be set to at least one minute. • three general purpose inputs • three analog outputs...
  • Page 3: Job Start-Up

    On Off LS5v Power 24 Vac 0.2" 0.5 cm Figure 1. U253 Layout and Dimensions • Eikon for WebCTRL Job Start-Up WebCTRL and SuperVision require different • U-Line Zone GFBs module drivers and Eikon software. The Job Start-Up for SuperVision...
  • Page 4: Start-Up Checklist

    Zone GFB option in Eikon for Handbook for details on legacy CMnets. Also WebCTRL or Eikon. Refer to “Writing GFBs refer to the Technical Handbook for detailed for the U253” on page 9 for more information on daisy-chain, star, and hybrid information. wiring configurations.
  • Page 5: Communications Wiring

    5. Make sure that 24VAC is present at the module and is automatically detected by the module’s power input terminals. U253. You can set or change the Unet baud rate to 9600 bps or 38.4 kbps on the UNI. The 6. Set the module’s address. Refer to U253 begins using the new baud rate after ten “Addressing”...
  • Page 6: Communicating Through The Logistat Port

    WebCTRL. keypad. NOTE When the LogiStat Adaptor cable To communicate through the LogiStat port, is inserted into the LogiPort, the U253 can the U253 must: no longer read the LogiStat inputs. The U253 continues to use the last valid •...
  • Page 7: Input Wiring

    1,6,8- +10Vor floating Port Mode Select No pulse accumulation inputs are allowed in Switch U253 FBs, except for the override button on Figure 6. Using the LogiPort the LogiStat. 6. Disconnect the LogiStat Adaptor cable Using the LogiStat from the LogiStat’s LogiPort when...
  • Page 8: Digital Output Wiring

    • a USF (single) air flow sensor and an actuator connected to two digital outputs If you use a flow sensor with the U253, use the Airflow microblock in the U253’s GFB. DO-2 DO-1 To connect the sensor, make sure the U253’s...
  • Page 9: Writing Gfbs For The U253

    Eikon for WebCTRL or Eikon 3.0a U3M, UNM, or U5M module driver. or later to create GFBs for the U253. Be sure When using a LogiStat sensor with the U253, to enable the Zone GFB option in Eikon when include a LogiStat microblock and a Zone making the GFB.
  • Page 10: Point Identifiers

    15.88 Thermistor number, and minimum and maximum A2‡‡ 7.22° to 37.8° C 0.00 15.69 Temp present values for each point on the U253. LogiStat ‡ Select a physical point type from the Point -17° to 213° F 0.00 15.88 Thermistor -27°...
  • Page 11: Production Date

    The first three characters on the sticker indicate the type of module. The next two characters show the year and month of manufacture. (The month digit is in hexadecimal.) Revised 8/14/02 • U253 © 2002 Automated Logic Corporation...

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