HM408A6

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The HM408A6 is a Timer/Controller manufactured by Danaher. Part of the Timers and Controllers series, it features a red LED display and accommodates up to 6 decades with polarity for count capacity. It operates with a power supply input of 100-130 VAC or 200-260 VAC at 50/60 Hz. The device weighs 1.13 kg.

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Product Description:

The HM408A6 is an industrial timer designed by Danaher for efficient timing control. The timer is engineered to provide a reliable interface for controlling operations such as motor switching, heating cycles and material handling sequences. The timer is suitable for integration in both standalone machines and larger automated systems, where consistent interval-based triggering enhances productivity and reduces operator intervention. It can be used to automate timing functions in various industrial applications such as packaging lines, production equipment, or any setting where repeatable electrical timing governs machine performance. The HM408A6 timer features a bright red LED display that provides clear and immediate visual feedback of the timer’s status and settings. This display ensures that operators can easily read time values at a glance, even in dimly lit or high-glare industrial environments. The use of red LEDs enhances visibility and contrast, reducing eye strain during continuous monitoring. With clearly visible digits, the timer allows for faster setup verification and real-time adjustments, improving overall efficiency. This timer accommodates up to 6 decades with polarity, enabling it to display and manage count values from 000000 to 999999. This high count capacity allows the timer to handle extended sequences without requiring resets, making it ideal for applications involving repetitive or high-volume operations. The HM408A6 offers flexible input options for ease of integration. It can operate with a power supply input of either 100–130 VAC or 200–260 VAC. This flexible range allows the timer to be deployed in facilities with varying regional voltage standards or in applications where supply conditions may fluctuate. The timer also offers dual-frequency support, allowing operation at both 50 Hz and 60 Hz power frequencies. This allows the timer to be used in a wide range of industrial settings without requiring frequency converters.

Accessory Power Output
12 VDC, 120 mA Max
Control Inputs
Contact Closure or 12 VDC Square Wave
Count Capacity
6 Decades With Polarity
Count Input Type
Contact Closure or 3.5 to 15 VDC Square Wave
Display Type
Red LED, 0.6 in (15.4 mm), Programmable Decimal
Front Panel Rating
NEMA-4 with gasket
Memory Type
Nonvolatile, retains data on power loss
Number Of Signal Inputs
2
Operating Temperature
0°C to 50°C
Output Type
8 NPN Transistors, 28 VDC/100 mA Max Sink
Power Consumption
20 VA
Power Supply Input
100-130 VAC or 200-260 VAC, 50/60 Hz Selectable
Preset Count Number
4
Serial Interface
RS-422 ASCII, programmable baud rate
Weight
2.5 lbs (1.13 kg)

Frequently Asked Questions about HM408A6:

Q: What type of display does the HM408A6 come with?

A: The HM408A6 features a red LED display, which provides bright and easily readable output in various lighting conditions.

Q: What kind of communication interface is available on the HM408A6?

A: The HM408A6 is equipped with an RS-422 ASCII serial interface, allowing reliable long-distance communication with other industrial devices.

Q: What is the power supply range supported by the HM408A6?

A: The HM408A6 operates with a power input range of 100–130 VAC or 200–260 VAC. This dual-voltage support allows for flexible installation in global and multi-voltage environments.

Q: What frequency does the HM408A6 operate on?

A: The HM408A6 operates at both 50 Hz and 60 Hz frequencies, ensuring compatibility with standard power supplies in different regions.

Q: How many decades does the HM408A6 accommodate for counting?

A: The HM408A6 accommodates up to 6 decades with polarity for count capacity. This enables it to manage high-resolution timing or counting operations effectively.


Internal Product Review

  • ‘‘The HM408A6 offers dependable performance in demanding automation setups. Its clear LED display makes it easy to monitor values even in low-light conditions. However, at 1.13 kg, it’s slightly heavier than similar units, which may matter for lightweight panels.’’

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