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1771-QH

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The Allen-Bradley/Rockwell Automation 1771-QH control module is a force control module in the Allen-Bradley PLC 5 series. This force control module can be used to program axis motion in a control system. The 1771-QH force control module can also be used in applications in hydraulic systems. This control module can transition between pressure control and speed control. The 1771-QH force control module?s parameters are all stored in the data table of the PLC processor in the PLC 5 control system that it is part of.

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Technical specifications for 1771-QH

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	1771-QH
Module Type	Force Control Module
Backplane Requirement	1.2 Amperes at 5 Volts DC
Max Input Frequency	N/A
Outputs	4 Analog Outputs
Slots	1 Slot
Module Update Period	2 ms Scan Auto Tune PID and Velocity
Backplane Current	1.2 Amperes
Wiring Arm	1771-WF
Frequency	47-63 Hertz
Fuse	3 Amperes, 250 Volts, Normal-Blow
Cabling	1771-PSCC Remote 5.5 ft
Paralleled	N/A
Location	Stand-Alone
Dimensions	4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)

Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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The Allen Bradley 1771-QH is a Force Control Module. The 1771-QH acts as a single-axis hydraulic controller for high-speed transparent transitions between speed control and pressure control. By configuring the motion control profile, the 1771-QH changes the speed of the optimizing style control for faster and smoother operation. It can also configure the profile to control an additional output to the hydraulic pump controller and proportional valve amplifier. For easy access, all module parameters are stored in a PLC processor data table. This greatly reduces setup time and helps eliminate the need for recalibration; the user can make necessary mechanical adjustments during operation without shutdown, and without reprogramming the module.

The 1771-QH has a 12-bit binary I/O resolution and comes with 4 analog inputs and 4 analog outputs and an update time of 2 milliseconds for servo loop and position or pressure measurement. It has a thermal dissipation of 21 BTU/hour (outputs full ON), and its wiring arm corresponds to the number 1771-WF. Additionally, this unit's operating frequency is 47 to 63 Hertz, its fuse is 3 A, 250 Volt, and Normal-Blow, and it measures 4.5 x 12.4 x 6.3 inches (115 x 317 x 160 millimeters).

To avoid personal injury, ensure that all machine guards and shields are in place before proceeding.