HP56A6

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The HP56A6 is a timer manufactured by Danaher. Part of the Timers and Controllers series, it features ON-delay or reverse start delay timing modes and operates within a temperature range of 0°C to 60°C. The device has a mechanical life of 50,000,000 operations and includes a 4.5-digit LCD display.

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Product Description:

The Danaher HP56A6 is a precise timer from the CYCL-FLEX® HP5 Series. It operates using a synchronous motor mechanism housed in a convenient plug-in style enclosure. The timer supports adjustable time control and a dependable reset, ideal for industrial automation systems. The timer withstands vibrations up to 1G in the 10 to 100 Hz frequency range.

The HP56A6 timer handles 120 VAC at 60 Hz frequency. It can support 10 A resistive load at 240 VAC. The timing duration ranges from 0 to 60 minutes, set via a front dial with a pointer. The 15-terminal ABS housing is UL 94V-0 rated for flame resistance and impact protection. A mechanical encoder dial displays minute increments. It allows accurate and consistent manual time adjustments. The clutch coil system energizes terminals 1, 2, and 11, which activate timing. At the end of the timing cycle, output contacts change state to signal the elapsed time. The HP56A6 timer works at a range of 95% non-condensing humidity and a temperature between 0 °C and 50 °C. The unit is resistant to vibrations of up to 1G within the frequency range of 10 to 100 Hz. It performs up to 2,000 meters above sea level without loss of performance. The significantly marked back terminal ring is supplying compatibility with typical panel mounting systems. The unit is gasket-sealed against dust and moisture when properly embedded in panels.

The HP56A6 timer has a power-on indicator light that allows visual monitoring of status during operation. It has a fail-safe design and does not reset during a power cycle or loss of power. The compact frame (4.5" depth, 3" face) fits well with both control panels in small spaces. They are commonly used in conveyors, heating units, and equipment that needs a well-timed control pattern.

Display Type
LCD, 4-1/2 digit, 7/16 in high
Mechanical Life
50,000,000 operations
Mounting
Plug-in case
Nema Rating
NEMA 12
Operating Power
120 or 240 VAC, +10%/-20%, 50/60 Hz
Power Consumption
5.2 VA
Relay Output Capacity
7A resistive, 240 VAC (2 N.O.)
Reset Time
25 ms
Short Circuit Protection
1/4 Amp fuse
Temperature Range
0°C to 60°C (32°F to 140°F)
Terminals
Screw terminals
Timed Relay Output
7A resistive, 240 VAC (2 N.O., 2 N.C. contacts)
Timing Modes
ON-Delay or Reverse Start Delay
Timing Ranges
0.001–19.999 sec, 0.01–199.99 sec, 0.1–1999.9 sec, 1 sec–199 min 59 sec, 1 min–199 hr 59 min
Weight
25 oz

Frequently Asked Questions about HP56A6:

Q: What are the integration challenges when using the Danaher HP56A6 timer in systems with varying load requirements?

A: While the Danaher HP56A6 timer is rated to handle up to 10 A resistive load at 240 VAC, it is important to ensure the connected systems do not exceed these limits. In cases of high inrush currents or inductive loads, additional components like surge protectors may be needed to safeguard the timer’s internal circuitry.

Q: How does the mechanical encoder dial on the Danaher HP56A6 timer affect its time-setting accuracy in complex systems?

A: The mechanical encoder dial of the Danaher HP56A6 timer allows for precise, manual adjustments in minute increments. This feature is beneficial in applications requiring fine-tuning of timing cycles, but users must ensure the dial is easily accessible for accurate setting adjustments during operation.

Q: What factors should be considered when using the Danaher HP56A6 timer in environments with frequent vibrations?

A: While the Danaher HP56A6 timer is rated to withstand vibrations up to 1G in the 10 to 100 Hz frequency range, integrating it into systems with higher vibration levels may require additional mounting or stabilization measures. Vibration damping materials or shock-absorbing mounts can enhance reliability in such conditions.

Q: How does the Danaher HP56A6 timer handle situations where precise time intervals are critical, such as in automated conveyor systems?

A: The Danaher HP56A6 timer provides accurate time intervals that can be adjusted manually, offering flexibility for systems like conveyors that require specific timing for activation or delays. However, in applications with rapid cycling or changing timing needs, automation of the time-setting process may improve system efficiency.

Q: What challenges arise when installing the Danaher HP56A6 timer in control panels with limited space?

A: The compact size of the Danaher HP56A6 timer is an advantage in tight spaces, but careful planning is necessary to ensure sufficient airflow for cooling, especially in high-demand systems. When integrating into confined spaces, ensuring proper access for adjustments and visibility of the indicator light becomes important for operational efficiency.


Internal Product Review

  • ‘‘The Danaher HP56A6 timer is a reliable time control solution. It has adjustable timing from 0 to 60 minutes and supports 120 VAC at 60 Hz with a 10 A resistive load at 240 VAC. Its 15-terminal ABS housing is UL 94V-0 rated to ensure flame resistance. This timer is used in industrial automation, particularly in conveyors and heating units, where precise time control is critical.’’

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