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1771-VHSC

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Allen Bradley | PLC-5 | 1771-VHSC | Image

Allen Bradley | PLC-5 | 1771-VHSC | Image Allen Bradley | PLC-5 | 1771-VHSC | Image

SKU 2172167  UPC 0799705796638

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The Allen-Bradley 1771-VHSC is a very high speed counter module for industrial applications. The module can be used with programmable controllers from Allen-Bradley that support block transfer and the 1771 I/O architecture. The 1771-VHSC can be installed in any slot in any 1771 I/O chassis. It counts pulses from pulse generators, proximity switches, encoders, and mechanical limit switches. The module provides 4 counters, 4 inputs, and 8 outputs. Each counter supports three inputs: A, B, and gate/reset. The input voltage is user selectable and can be either 5 Volts DC or 12 to 24 Volts DC. The input current is minimum 4 milliamps, typically 7 milliamps at 5 Volts DC, and 7 to 15 milliamps at 12 to 24 Volts DC. The output voltage is 5 to 24 Volts DC (supplied by customer) and the output current is 2 Amps per channel.

The 1771-VHSC draws 650 milliamps from the chassis backplane. The maximum power dissipated by the module is 13 Watts and the minimum power dissipation is 2 Watts. The maximum thermal dissipation is 54.2 BTU/hour and the minimum dissipation is 6.8 BTU/hour. To prevent damage to the module, the following precautions should be followed when handling or installing the module: the connector pins, backplane connector, and circuit components should not be touched. The personnel handling the module should ground themselves and wear a ESD wrist-strap device, and the module should be kept in a static shield bag when not in use. The working temperature range for the 1771-VHSC is 32 to 140 degrees Fahrenheit whereas the storage temperature range is -40 to 185 degrees Fahrenheit. The module performs optimally in environments with 5 to 95% relative humidity.

PDF Electric & Supply Inc. sells new, new surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with PDF Electric & Supply Inc. and not the manufacturer. PDF Electric & Supply Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. The products listed on this website may vary as to their country of origin; the accessories, and other items included with the product; and the language used on the packaging, the parts, and any related instructions or printed material related to the products. This website is not sanctioned or approved by any manufacturer or tradename listed. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.

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