<h2>Overview</h2>
<p>The <strong>Omron H7CR-A digital counter</strong> is a compact, panel-mount preset counter designed for industrial counting applications. Built with a robust 6-digit LCD display and flexible signal processing, the H7CR-A accepts up, down, and reversible counting inputs with preset and output relay capabilities. This economical counter model is ideal for production line monitoring, part counting, and process control where reliable count retention is essential.</p>
<h2>Key Features</h2>
<ul>
<li><strong>6-digit LCD display</strong> with 8 mm present value and 4 mm set value readout</li>
<li><strong>Multiple input modes</strong> – up (incrementing), down (decrementing), and reversible (command, individual, or phase difference inputs)</li>
<li><strong>Preset and relay outputs</strong> for automated process control and triggering external devices</li>
<li><strong>Battery-backed memory</strong> – approximately 10 years count retention at 20°C with non-replaceable lithium battery</li>
<li><strong>External and manual reset</strong> options for flexible operation</li>
<li><strong>Water-resistant enclosure</strong> with IP54 panel surface rating</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Display Type:</strong> 7-segment LCD; 8 mm present value / 4 mm set value</li>
<li><strong>Counting Modes:</strong> Up, Down, Reversible A (command inputs), Reversible B (individual inputs), Reversible C (phase difference inputs)</li>
<li><strong>Max Counting Speed:</strong> 30 cps, 1 kcps, or 5 kcps (depending on configuration)</li>
<li><strong>Supply Voltage:</strong> 100–240 VAC (50/60 Hz) or 24 VAC (50/60 Hz); permissible ripple max 20%</li>
<li><strong>Operating Voltage Range:</strong> 85% to 110% of rated voltage</li>
<li><strong>Power Consumption:</strong> Approx. 6.0–6.6 VA (at 50 Hz, 240 VAC); 3.2 W (at 24 VDC)</li>
<li><strong>External Reset Pulse Width:</strong> Min. 1 or 20 ms</li>
<li><strong>Memory Backup:</strong> Approximately 10 years at 20°C with non-replaceable lithium battery</li>
<li><strong>Mounting:</strong> Flush mounting (DIN 48 × 48 mm panel cutout)</li>
<li><strong>Weight:</strong> Approximately 230 g (H7CR-A/A4 AC type)</li>
<li><strong>Enclosure Rating:</strong> IP54 (panel surface)</li>
<li><strong>Certifications:</strong> UL508, CSA C22.2 No. 14, EN61010-1</li>
<li><strong>Terminal Connection:</strong> Screw terminals</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Production line part counting and tally</li>
<li>Batch counting and process automation</li>
<li>Speed monitoring and frequency measurement</li>
<li>Packaging and labeling systems</li>
<li>Material handling and conveyor control</li>
<li>Quality assurance and SPC data collection</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard 24 VAC or 100–240 VAC industrial power supplies</li>
<li>Proximity sensors, photoelectric sensors, and discrete logic inputs</li>
<li>Relay outputs for PLC input modules and solenoid control</li>
<li>DIN 48 × 48 mm panel cutout mounting systems</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Original equipment manufacturer (OEM) installations requiring H7CR-A series counters</li>
<li>Legacy production systems previously fitted with H7CR-A models</li>
</ul>
<h3>Works With</h3>
<ul>
<li><strong>Communication:</strong> Discrete relay outputs for integration with PLC input modules and control systems</li>
<li><strong>Software:</strong> Program-level configuration via external presets and reset logic</li>
<li><strong>Note:</strong> The H7CR-A series was discontinued in 2004; modern replacements from the H7CX series offer enhanced versatility and input flexibility. Verify compatibility with your system integrator before ordering.</li>
</ul>
