HQ901A6
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The Danaher HQ901A6, part of the Timers and Controllers series, operates on 125-250 VAC with a rated frequency of 50/60 Hz. This timer features a count speed of 1000 cpm, displays six digits, and requires a minimum on/off time of 30 ms. With a diecast frame and nylon bobbin construction, it weighs 567 g.
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Product Description:
Danaher manufactures the HQ901A6 Timer/Counter for reliable time based control in industrial systems. It has a fixed operating time of 15 seconds good for applications requiring precise repeat cycles. The controller is primarily used to manage repeat cycle operations in automated setups.
The HQ901A6 timer/counter is powered through a standard voltage of 120 volts AC and can handle dual frequency input of 50 or 60 hertz. Its symmetrical and asymmetrical repeat cycle modes are incorporated in the device to have flexibility in the start and end times of the cycles. The controller is designed to display the time in seconds so that it can be seen easily when operating. It has an electric percentage control system to adapt the ON/OFF gap in the established schedule. The HQ901A6 timer is panel mountable to allow it to fit safely in the control panels. It is able to integrate perfectly within CYCL FLEX systems and so it is compatible with the existing control infrastructure. The controller can be used over a wide range of temperatures from -20 to +60 degrees Celsius. It has UL Recognition and CSA Certification to ensure that it meets the safety and performance levels of the industry. The controller boasts of sustained repeat cycle control in typical control conditions. It is designed to enhance control accuracy in electrical circuits offering dependable functionality with minimal complexity.
The HQ901A6 timer/counter weighs 0.43 kilograms and that is why it is straightforward to handle during installation. It is designed to provide steady and repetitive timing control without complicated programming or set up. The time system indicates seconds in gauges to enable effective monitoring.
Frequently Asked Questions about HQ901A6:
Q: How does the electric percentage control help in HQ901A6?
A: It adjusts ON/OFF time ratios for better synchronization in cyclic applications and improves energy management.
Q: Why is dual-frequency input important in HQ901A6 timer and controller?
A: It ensures stable performance in regions with either 50Hz or 60Hz power systems, enhancing global usability.
Q: What role does panel mounting play in HQ901A6 installations?
A: It enables secure, flush integration within standard control cabinets, reducing wiring clutter and vibration impact.
Q: How does HQ901A6 improve repeat-cycle precision in automation?
A: Its dedicated symmetrical/asymmetrical modes allow operators to define specific timing behavior for improved control repeatability.
Q: Why is temperature tolerance significant in the HQ901A6 controller?
A: The wide -20°C to +60°C range ensures consistent operation across varying industrial ambient conditions.
