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Heat rate release

3/23/2012 9:17 AM	Rate (0)
Willies Posts: 23 Rating: (2)	Dear All : Is any one know, what is our S7 400/ S7-300products "heat rate release" or "rate of heat release"? Any document decsription of it? We had a open bid project request for it. Any comment is welcome. Thanks
Willies Posts: 23 Rating: (2)
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3/23/2012 4:24 PM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/21/2026 Posts: 12481 Rating: (2722)	Hello Willies; In this discussion (from another forum) you will find assumptions on the calculation of heat dissipation in relation to Power Loss (inWatts). http://www.plctalk.net/qanda/showthread.php?t=40030 This last information you can find in the technical data of CPUs and I/O modules of all PLC manufacturers. For example, look at the attachment, which shows the typical Power Loss for a CPU 312C (From the Technical data manual for S7-300 CPUs). Here are manauls for S7 CPUs and I/O modules that should give you the required information. SIMATIC S7-300 CPU 31xC and CPU 31x: Technical specifications Automation System S7-400 CPU Specifications SIMATIC S7-300 S7-300 Automation System Module Data SIMATIC S7-400 S7-400 Automation System Module Data Hope this helps, Daniel Chartier Attachment PowerLoss.JPG (399 Downloads)

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