A103-004
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The A103-004 by Danaher, part of the Timers and Controllers series, features a 12 mm Supertwist LCD with 4 digits for clear display. It operates with a single/dual 3V lithium battery ensuring a lifespan of up to 10 years and has a panel rating of NEMA 4X/IP65. The device weighs just 64 g.
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Product Description:
The A103-004 Timer is a compact timing solution. It is designed by Danaher to support automation systems that requires accurate cycle tracking and output control.
The A103-004 controller uses a Supertwist LCD display for clear readout visibility. The screen shows 12 mm high digits for quick viewing. Time can be monitored in seconds, minutes, or full hour formats. Resolution supports tenths of a second or tenth fractions of hours. It also displays standard hours:minutes:seconds time combinations. The control output is based on an isolated Photomos SSR relay. It operates at 0.1 A across 30 VAC or VDC. The relay design includes over 50 ohms of on-resistance for stability. A remote reset input is available via NPN or contact closure. The reset function is edge-sensitive and responds to sharp transitions. The power source is a 3V lithium battery system. It accepts single or dual batteries for flexibility in service life. A single battery provides up to 5 years of operation. When using dual batteries, lifespan extends up to 10 years. Connections are made using screw terminals for secure wire contact. This terminal setup simplifies installation in custom panel designs. The controller supports consistent performance across long durations without power drop. It allows accurate remote management using low-level reset signals.
The A103-004 timer and controller is well-suited for environments where stable, battery-powered timing is required. Ir provides clear display and long battery performance over years. The device supports easy integration into small control boxes or testing units. The display remains readable in standard lighting conditions. Relay isolation protects sensitive systems from voltage interference. Battery options allow long-term use without replacement interruption. Mounting and wiring are straightforward due to the screw terminal layout.
Frequently Asked Questions about A103-004:
Q: What should be checked if the A103-004 fails to reset using the remote input?
A: Inspect the NPN/contact closure wiring for continuity, verify edge-trigger responsiveness, and confirm the signal meets the required transition specifications.
Q: How does the Supertwist LCD in this model compare to standard segment LCD displays?
A: It provides better contrast and wider viewing angles, improving readability in varied lighting conditions where standard displays may appear faded.
Q: Why is the Photomos SSR relay beneficial in low-power control systems?
A: The hotomos SSR relay isolates sensitive electronics from voltage spikes, ensuring signal stability while operating at just 0.1 A across AC or DC loads.
Q: How does the A103-004 accommodate long-term use without battery changes?
A: Its dual-battery configuration extends operational life to 10 years, reducing downtime and maintenance intervals in continuous-use environments.
Q: In what way does the 12 mm digit height improve usability?
A: Larger digits allow operators to read the timer from a greater distance, reducing the need for close inspection during active processes.
