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Summary of Contents for Allora POSITIVE CONTACT PCS-250
- Page 1 PCS-250 System Installation Instructions Made in the...
- Page 2 Page 1 PCS-250 System Specifications TCU-250: PS-1000: Control Power Supply (optional) Input: 24VDC, 250mA Input Voltage: 110-240VAC Relay Outputs: 2A, 250VAC Output Voltage: 24VDC general use Output Power: Ambient Temp: 55°C Operating Temp: 0-55°C Wiring Terminals: 18-14AWG stranded copper wire only, 7 lb/in Mounting: 35mm DIN Rail Torque.
- Page 3 Page 2 General use / description The PCS-250 System is a self teaching apparatus which consists of two main components; a PCS-250 “Sensor” (Positive Contact Sensor) and an TCU-250 “Control” (Teach Control Unit). The Sensor is mounted in close proximity to the tool which is to be monitored, while the Control is mounted in the machine electrical cabinet.
- Page 4 Page 3 b) You may keep the standard Needle length (as shown in Figure 3), shorten the Needle, or purchase a longer Needle (up to 8"). Figure 3: Needle length c) If a straight Needle does not suit your needs, the Needle may be bent into any desired configuration (ex: to swing past an obstruction).
- Page 5 Page 4 Mount the Sensor in the Clamping Sleeve and connect the Teach Cable Slip the Sensor into and through the Clamping Sleeve. Connect the Teach Cable to the Sensor and then rotate the Sensor in the Clamping Sleeve so the connector points in the desired direction.
- Page 6 Page 5 Re-install the Swing Arm Assembly Re-install and fasten the Swing Arm Assembly such that the Needle will contact the tool before the end of stroke as illustrated in Figure 8. It is common for the tool to be The tool or object positioned approximately 90°...
- Page 7 Page 6 TCU-250 Terminal Descriptions Terminals 1 & 2: 24VDC input – used to power the TCU-250 Control. Note that terminal 1 is positive (+) and terminal 2 is negative (-). A minimum supply of 250mA is required. When powering the Control with an existing 24VDC power supply, confirm that the power supply is capable of the additional output capacity required to power the Control.
- Page 8 Page 7 TCU-250 LEDs and Switches OK LED: Illuminates green to indicate power-on. Upon receiving a Start Input, the OK LED will momentarily turn off. At the end of the sensing cycle, the OK LED illuminates to indicate a good condition (unbroken tool) has been detected.
- Page 9 Control. If your installation requires connecting the Sensor to the Control via a junction box/terminal strip, avoid wiring near ESD/EMF sources. Special length shielded Sensor Cables are available upon request. Please contact Allora International (www.alloraintl.com, info@alloraintl.com, 855.866.5911) or your local distributor with any questions or for installation assistance.
- Page 10 PCS-250, can the Swing Arm Assembly be freely rotated without any binding? • Look for metal chips between the Swing Arm Assembly and PCS-250. • Look for large chip “bird’s nests” that may be obstructing the swing of the Needle. Is the Needle supplied by Allora being used? •...
- Page 11 • Is there a clean 24VDC being supplied across terminals 1 & 2 (Power “+” & “-”) on the TCU-250? • Is the polarity correct? • If 110-240VAC, is the PS-1000 power supply supplied by Allora being used? • Is there 110-240VAC being supplied to the power supply? •...
- Page 12 All Positive Contact foam packaging is free of CFC’s, HCFC’s or HFC’s. The foam and its ash is non-toxic, landfill safe and recyclable. Allora International, LLC • N60W22951 Silver Spring Dr. Unit 15 • Sussex, WI 53089 Phone +1.262.246.6800 • Website www.alloraintl.com • E-Mail info@alloraintl.com...
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