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Temperature transmitters

Multifunctional transmitters

I.S. interfaces

Signal isolators

Displays

Communication interface

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Temperature Transmitters, I.S. Interfaces

I.S. interfaces

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<ul>  
<li> * Supply voltage 85...132 VAC or 187...264 VAC</li>  
<li> * Optional connection of backup supply</li>  
<li> * Approved for installation in I.S. / Ex zone 2 / Div. 2</li>  
<li> * Active signal output</li>  
<li> * Optional parallel connection</li></ul><br />
<h3>Application</h3>
<ul>  
<li> * 2 DC-OK outputs for monitoring of device functions.</li>  
<li> * Floating signal contacts and an active DC-OK signal are available.</li>  
<li> * The DC-OK LED enables visual evaluation of the function locally in the process.</li></ul><br />
<h3>Technical characteristics</h3>
<ul>  
<li> * The 85...264 VAC connection is made by using pin no. 31, 32 and 33.</li>  
<li> * The 24 VDC connection is made using the "+" and "-" connections.</li>  
<li> * 22 VDC ±2 VDC is applied on "DC-OK" pin 15, 20 mA max. This signal output is referenced to - Vout (gnd.) and signals when the output voltage drops between 18 and 22 VDC.</li>  
<li> * Maximum 5 devices of the same type can be connected in parallel to enable increased output power.</li>  
<li> * The DC-OK LED is a two colour LED which indicates the status of the output and enables visual evaluation of the function locally in the control cabinet.</li>  
<li> * DC-OK LED green - normal operation. DC-OK LED red-output failure if input mains is still present.</li></ul>

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