<h2>Product Overview</h2>
<p>The 1771-IB is a digital input module used in PLC-5 1771 systems. It receives discrete input signals from field devices and supports signal monitoring in legacy industrial control panels and factory automation systems.</p>

<h2>Main Features</h2>
<ul>
<li>Digital input module for PLC-5 1771 systems</li>
<li>Supports discrete field signal input</li>
<li>Used in legacy machine control and process systems</li>
<li>Suitable for spare parts replacement and maintenance repair</li>
<li>Helps support downtime recovery in aging automation systems</li>
</ul>

<h2>Technical Specifications</h2>
<table border="1" cellpadding="6" cellspacing="0">
<tbody>
<tr><td>Model</td><td>1771-IB</td></tr>
<tr><td>Product Type</td><td>Digital Input Module</td></tr>
<tr><td>Platform</td><td>PLC-5 / 1771 Series</td></tr>
<tr><td>I/O Type</td><td>Digital Input</td></tr>
<tr><td>Application</td><td>Discrete Field Signal Input</td></tr>
</tbody>
</table>

<h2>Compatible System and Chassis Use</h2>
<p>The 1771-IB is used with PLC-5 1771 chassis systems. Compatibility should be confirmed according to the installed chassis, input signal type, wiring method, and field device configuration.</p>

<h2>Industrial Applications</h2>
<p>This module is used in machine control systems, process automation lines, packaging equipment, conveyor systems, and legacy production equipment that requires discrete input signal monitoring.</p>

<h2>Maintenance and Replacement Notes</h2>
<p>The 1771-IB is commonly requested for PLC-5 maintenance replacement. It is suitable for factory maintenance teams that need to keep existing legacy systems running while planning future migration.</p>

<h2>Related Models</h2>
<p>1771-IQ16, 1771-OB, 1771-OQ16, 1771-ASB, 1771-DCM</p>

<h2>Inquiry and Supply Notes</h2>
<p>This model is suitable for industrial spare parts replacement and legacy automation system maintenance. Please confirm the installed input type and system configuration before replacement.</p>