Omron H3CR Manual: A Comprehensive Guide

This manual serves as a detailed resource for the Omron H3CR series timers, specifically the H3CR-A8 model, offering comprehensive guidance for effective operation and utilization․

The Omron H3CR series represents a versatile line of solid-state timers designed for a broad spectrum of industrial automation applications․ These 48x48mm DIN rail-mountable timers offer multifunctional timing capabilities, adhering to stringent safety standards like EN61812-1 and EN60664-1․

The series includes models like the H3CR-A8, available with AC100-240/DC100-125 power supply options․ They feature a hand dial for precise timing adjustments and are known for their accuracy of 0․2%․ Omron prioritizes continuous product improvement, so specifications are subject to change․

These timers are built for reliability and are suitable for diverse control tasks, offering both NPN input options and DPDT output contact configurations․ The H3CR series is a cornerstone of Omron’s industrial automation offerings, providing robust timing solutions for various industries․

Understanding the H3CR-A8 Model

The H3CR-A8 is a key model within the Omron H3CR series, distinguished by its AC100-240/DC100-125 power supply compatibility, offering flexibility in various applications․ This solid-state timer boasts a 5A current rating and exceptional 0․2% accuracy, ensuring precise timing control․

It features a hand dial adjustment method for intuitive setting of timing ranges from 0․05 seconds to 300 hours․ The H3CR-A8 utilizes a DPDT output contact configuration, providing versatile switching capabilities․

Designed for DIN rail mounting, it conforms to EN61812-1 and EN60664-1 standards, guaranteeing safety and reliability․ The datasheet (H3CR-A) provides detailed technical specifications․ Manufactured by Omron, originating from Japan, this model is a robust solution for industrial timing needs․

Safety Precautions and Standards

Prior to installing or operating the Omron H3CR timer, carefully review all safety precautions outlined in this manual and on the Omron website․ Adherence to these guidelines is crucial for preventing electrical shock, fire hazards, and ensuring personal safety․

The H3CR series is certified to meet stringent safety standards, including EN61812-1 for electrical safety and EN60664-1 (VDE0110) for insulation․ It also complies with EMC Directives, minimizing electromagnetic interference․

Always disconnect power before wiring or making any adjustments․ Ensure proper grounding and avoid touching live parts․ This device is rated for 4kV/2 for low voltage applications․ Refer to the datasheet for detailed specifications and compliance information․ Improper use can void the warranty and compromise safety․

Key Features of the H3CR Timer

The Omron H3CR timer boasts a versatile design, offering a wide timing range from 0․05 seconds to 300 hours, suitable for diverse applications․ Its multifunctional capabilities, combined with a compact 48x48mm DIN rail mounting size, enhance installation flexibility․

A key feature is the hand dial timing adjustment method, providing precise and intuitive control․ The H3CR utilizes a DPDT output contact configuration, offering enhanced switching options․ Accuracy is maintained at 0․2%, ensuring reliable performance․

Available in both AC100-240 and DC100-125 power supply options, the H3CR accommodates various power systems․ Solid-state technology contributes to increased durability and longevity․ The series includes options like the H3CR-F with 11-pin socketable termination․

Technical Specifications

The H3CR timer features a 5A current rating, alongside AC100-240/DC100-125 power supply options, and maintains a high degree of accuracy at 0․2%․

Power Supply Requirements (AC100-240/DC100-125)

The Omron H3CR timer demonstrates versatile power supply compatibility, accepting both AC and DC input voltages․ Specifically, it operates effectively within the AC100-240V range, catering to a broad spectrum of international power standards․ Furthermore, the H3CR also supports DC power input, functioning optimally between DC100-125V․

This dual-voltage capability enhances the timer’s adaptability for diverse industrial applications and geographical locations․ It eliminates the need for separate power supply units, simplifying installation and reducing overall system costs․ Always verify the specific model (e․g․, H3CR-A8) to confirm the exact supported voltage range, as variations may exist within the series․ Proper voltage selection is crucial for ensuring reliable operation and preventing potential damage to the timer․

Refer to the datasheet for detailed specifications and safety guidelines regarding power supply connections․

Timing Ranges: 0․05s to 300h

The Omron H3CR timer boasts an exceptionally wide timing range, providing flexibility for a multitude of applications․ It can accurately measure and control time intervals from a mere 0․05 seconds – ideal for high-speed processes – up to an impressive 300 hours, suitable for long-duration monitoring or control tasks․

This extensive range allows the H3CR to be utilized in diverse scenarios, including precise machine control, delayed activation of systems, and monitoring of lengthy processes․ The ability to select such a broad spectrum of timing values simplifies system design and reduces the need for multiple timers with different ranges․

Precise timing adjustment is achieved via the hand dial, offering granular control over the selected time interval․ Consult the datasheet for detailed information on timing accuracy and repeatability․

Output Contact Configuration: DPDT

The Omron H3CR timer utilizes a Double Pole Double Throw (DPDT) output contact configuration, offering versatile switching capabilities for diverse control applications․ This configuration provides two independent sets of contacts – each with a normally open (NO) and a normally closed (NC) connection – allowing for simultaneous control of two separate circuits․

The DPDT output enables complex control schemes, such as interlocking circuits, latching functions, or independent activation of two different devices based on the timer’s operation․ With a current rating of 5A, the contacts are suitable for controlling a wide range of loads․

This configuration enhances the H3CR’s functionality, making it adaptable to various industrial automation and control systems․ Refer to the wiring diagrams for proper implementation and connection of the DPDT output contacts․

Accuracy and Repeatability (0․2%)

The Omron H3CR timer boasts a high degree of accuracy and repeatability, specified at ±0․2% of the set timing value․ This precision ensures consistent and reliable operation in demanding applications where timing accuracy is critical․ The low deviation minimizes errors and contributes to stable process control․

This level of accuracy is maintained across the entire timing range, from 0․05 seconds to 300 hours, providing dependable performance regardless of the selected time delay․ Repeatability refers to the timer’s ability to consistently deliver the same timing result under identical conditions․

The 0․2% repeatability ensures predictable behavior, crucial for applications requiring synchronized operations or precise sequencing․ This characteristic makes the H3CR a suitable choice for applications demanding high precision and consistent timing performance․

Installation and Wiring

Proper installation involves secure DIN rail mounting, followed by careful wiring according to the provided diagrams, ensuring correct terminal connections for reliable operation․

DIN Rail Mounting Instructions

Securely mounting the Omron H3CR timer onto a standard DIN rail is crucial for stable operation and preventing accidental disconnections․ Begin by ensuring the DIN rail is properly installed and adequately supported; Gently place the timer’s mounting bracket onto the DIN rail, applying even pressure until you hear a distinct click, confirming secure engagement․

Verify the timer is firmly locked in place by attempting gentle upward movement; it should not detach easily․ If the timer doesn’t lock, double-check the alignment and re-attempt the mounting process․ Avoid using excessive force, as this could damage the mounting mechanism․

For removal, use a flathead screwdriver to carefully disengage the locking mechanism located on the bottom of the timer’s bracket․ This will release the timer from the DIN rail․ Always de-energize the circuit before mounting or removing the timer to prevent electrical hazards․

Wiring Diagrams for NPN Input

When utilizing NPN input for the Omron H3CR timer, proper wiring is essential for correct functionality․ The NPN input configuration requires a negative signal (0V) to trigger the timer․ Connect the NPN output of your control device to the input terminal of the H3CR․ Ensure a common ground connection exists between the control device and the timer’s power supply․

Typically, the input terminal will require a DC voltage source․ Refer to the timer’s datasheet for the specific voltage range․ A pull-up resistor is often integrated internally, but external resistors may be necessary depending on the application․

Always consult the detailed wiring diagrams provided in the H3CR-A datasheet for precise terminal assignments․ Incorrect wiring can lead to malfunction or damage to the timer or connected devices․ Double-check all connections before energizing the circuit․

Terminal Connections and Identification

The Omron H3CR timer features clearly marked terminals for power, input, and output connections․ Identifying each terminal correctly is crucial for proper operation․ Power supply terminals accept AC100-240 or DC100-125 voltage, depending on the model (H3CR-A8)․ Input terminals receive the control signal – NPN or PNP, as configured․

The output contact configuration is DPDT (Double Pole Double Throw), providing two independent sets of contacts for controlling external circuits․ Terminals are typically numbered for easy identification, referencing the datasheet is vital․

Carefully examine the timer’s casing for terminal labels․ Securely tighten all screw terminals to prevent loose connections and ensure reliable performance․ Incorrect terminal connections can cause malfunction or damage․ Always de-energize the circuit before making or modifying any connections․

Operation and Settings

The H3CR timer allows for precise timing adjustments via a hand dial․ Function selection and operating modes are easily configurable, enabling versatile applications and control․

Timing Adjustment Method (Hand Dial)

The Omron H3CR timer utilizes a straightforward hand dial mechanism for precise timing adjustments․ This analog setting method allows operators to directly and intuitively set the desired time range, spanning from 0․05 seconds to an impressive 300 hours․ The dial’s graduated scale provides clear visual indication of the selected timing value, enhancing accuracy and ease of use․

Rotating the dial clockwise increases the timing duration, while rotating it counterclockwise decreases it․ The dial’s responsiveness ensures smooth and incremental adjustments, catering to a wide spectrum of application requirements․ This manual setting approach eliminates the need for complex programming or digital interfaces, making the H3CR timer exceptionally user-friendly for both novice and experienced technicians․ The robust construction of the hand dial guarantees long-term reliability and consistent performance, even in demanding industrial environments․

Function Selection and Modes

The Omron H3CR timer boasts a multifunctional design, offering a versatile range of operating modes to suit diverse automation needs․ These modes, selectable via internal settings, include delay, one-shot, and repeat cycle functionalities․ The delay mode initiates timing upon power application, while the one-shot mode provides a single timed pulse․ Repeat cycle mode delivers continuous on/off cycles based on the set timing parameters․

Selecting the appropriate function is crucial for achieving the desired control sequence․ The H3CR’s robust design ensures stable and reliable operation across all modes․ Understanding these modes allows for optimized application of the timer in various industrial processes․ Detailed diagrams and explanations within this manual illustrate each function’s operation, facilitating proper configuration and troubleshooting․ The timer’s adaptability makes it a valuable component in numerous control systems․

Resetting the Timer

Resetting the Omron H3CR timer is a straightforward process, essential for restarting operations or correcting settings․ A manual reset can be performed by interrupting the power supply to the timer, effectively clearing the current timing cycle․ Alternatively, some models feature a dedicated reset terminal, allowing for external reset control․ This is particularly useful in automated systems where remote reset functionality is required․

It’s important to note that resetting the timer will return it to its initial state, requiring re-selection of the desired function and timing parameters․ Always verify the reset procedure for your specific H3CR model, as variations may exist․ Proper resetting ensures accurate and reliable timing performance, preventing unintended operation and maintaining system integrity․ Refer to the wiring diagrams for correct reset terminal usage․

Troubleshooting

Addressing common issues with the Omron H3CR timer involves checking power, wiring, and settings․ Error codes provide specific diagnostic information for efficient problem resolution․

Common Issues and Solutions

Timer Not Operating: Verify the power supply voltage matches the H3CR’s requirements (AC100-240/DC100-125)․ Check for blown fuses or tripped circuit breakers․ Ensure correct wiring connections, particularly the input signal (NPN)․ A faulty input signal can prevent operation․

Incorrect Timing: Confirm the timing range is appropriately set for the application․ Recalibrate the hand dial if necessary, ensuring accurate adjustment․ Environmental factors, though less common, can slightly affect timing; consider temperature variations․

Output Contact Issues: Inspect the DPDT output contacts for wear or damage․ Verify the load connected to the output is within the 5A current rating․ Check for loose terminal connections․ If using a solid-state timer, confirm proper load compatibility․

Reset Problems: Ensure the reset function is correctly applied, either manually or via the input signal․ Some modes may require a specific reset sequence․ Refer to the function selection guide for details․

Error Codes and Their Meanings

While the Omron H3CR series doesn’t typically display numerical error codes, malfunctions manifest as operational failures․ A complete lack of output often indicates a power supply issue or a problem with the input signal (NPN)․ Inconsistent timing suggests a calibration problem or external interference․

If the timer fails to reset, double-check the reset method for the selected function; An unresponsive hand dial may signify internal component failure․ Contact Omron support for assistance if these basic checks don’t resolve the issue․

Output contact malfunction, indicated by no switching or erratic behavior, points to contact wear or overload․ Always verify the connected load adheres to the 5A current rating․ Refer to the datasheet (H3CR-A) for detailed specifications and troubleshooting steps․

For complex issues, consult the Omron website or contact their support team, referencing the H3CR-A8 model number․

Data Sheet and Resources

Access the comprehensive H3CR-A datasheet on the Omron website for detailed specifications, technical drawings, and compliance information (EN61812-1, EN60664-1)․

Accessing the H3CR-A Datasheet

Obtaining the H3CR-A datasheet is crucial for in-depth understanding of the timer’s capabilities and specifications․ This document, readily available on the official Omron website, provides a wealth of technical information essential for proper implementation and troubleshooting․ The datasheet details critical parameters such as power supply requirements (AC100-240/DC100-125), timing ranges (0․05s to 300h), and output contact configuration (DPDT)․

Furthermore, it outlines the accuracy and repeatability of the timer (0․2%), ensuring precise control in your applications․ You’ll find detailed wiring diagrams, terminal connection identifications, and information regarding compliance with relevant safety standards․ The file size is approximately 2466․83 Kbytes․ Searching for “H3CR-A datasheet Omron” will quickly lead you to the necessary resource, enabling informed decisions and optimal performance of your Omron H3CR timer․

Omron Website and Support

The Omron website serves as the primary hub for accessing comprehensive resources related to the H3CR series timers․ Beyond the H3CR-A datasheet, you’ll find detailed manuals, application notes, and frequently asked questions designed to assist with installation, operation, and troubleshooting․ Omron’s Industrial Automation Company provides dedicated support channels, including online forums and direct contact options for specialized assistance․

For certified safety standards information, always refer to the official OMRON website․ The website also provides updates on product improvements and potential specification changes, ensuring you have the most current information․ Omron Corporation holds all rights reserved, with a copyright date of 2018․ Explore the site to discover a wealth of knowledge and support to maximize the performance and longevity of your H3CR timer․

Compliance with EN61812-1 and EN60664-1

The Omron H3CR series timers are engineered to meet stringent international safety and performance standards, specifically demonstrating full compliance with both EN61812-1 and EN60664-1․ EN61812-1 pertains to the functional safety of electrical equipment for measurement, control, and laboratory use, ensuring reliable operation in critical applications․

EN60664-1 addresses the insulation requirements for low-voltage electrical equipment, guaranteeing user safety and preventing electrical hazards․ This compliance is validated by a 4 kV/2 rating for low voltage, alongside adherence to EMC Directives․ These certifications demonstrate Omron’s commitment to delivering products that meet rigorous quality and safety benchmarks, providing peace of mind for users across diverse industrial environments․ Verification of current compliance should always be confirmed on the official Omron documentation․