https://wiki.ibhsoftec.com/en/index.php?action=history&feed=atom&title=S7-PCI315%3APower_Supply S7-PCI315:Power Supply - Revision history 2026-05-14T20:59:31Z Revision history for this page on the wiki MediaWiki 1.43.6 https://wiki.ibhsoftec.com/en/index.php?title=S7-PCI315:Power_Supply&diff=644&oldid=prev Jonas: Created page with "== Internal and External Power Supply == '''NOTE''': HARDWARE REVISION 3 OF ''S7-PCI315'' PLC CAN BE SUPPLIED VIA PCI WITH 5V ONLY. HARDWARE REVISION 4 OF ''S7-PCI315'' PLC C..." 2012-08-06T11:06:09Z <p>Created page with &quot;== Internal and External Power Supply == &#039;&#039;&#039;NOTE&#039;&#039;&#039;: HARDWARE REVISION 3 OF &#039;&#039;S7-PCI315&#039;&#039; PLC CAN BE SUPPLIED VIA PCI WITH 5V ONLY. HARDWARE REVISION 4 OF &#039;&#039;S7-PCI315&#039;&#039; PLC C...&quot;</p> <p><b>New page</b></p><div>== Internal and External Power Supply ==<br /> <br /> &#039;&#039;&#039;NOTE&#039;&#039;&#039;: HARDWARE REVISION 3 OF &#039;&#039;S7-PCI315&#039;&#039; PLC CAN BE SUPPLIED VIA PCI WITH 5V ONLY. HARDWARE REVISION 4 OF &#039;&#039;S7-PCI315&#039;&#039; PLC CAN BE SUPPLIED VIA PCI WITH 5V OR 3.3V.<br /> <br /> The &#039;&#039;S7-PCI315&#039;&#039; PLC can be supplied by 5 V or 3.3 V (via PCI) or by an additional power supply externally with 24 V. The permitted voltage range for external powering is 18 … 30 V.</div> Jonas