Thanks Don, I understand that the PS current reading is only for the Base K2. I will rely on the bench PS display to read the 13.8 DC current. I have already set the CAL CUR to 3.8 Amps so that I do not get HI CUR alert at 10 Watts.
73, Ioannis PA1EQP On Sunday, 24 April 2016, Don Wilhelm <[email protected]> wrote: > The current display on the K2 is only for the current used by the base > K2. I use it when testing the K2 for 'good health' and normal RF Gain, but > during operating I see no need to monitor it on a regular basis. > The Base K2 will indicate Hi Cur if the current draw goes above the value > set by the CAL CUR parameter, and will reduce power if that occurs. Should > you continue to get Hi Cur messages, that is an indication of something > that should be investigated. > > 73, > Don W3FPR > > On 4/24/2016 3:14 PM, Ioannis Kassotakis wrote: > >> Thanks Don, >> That means that at HI PWR (>11 Watts) should disregard the displayed PS >> current figures. >> I thought that KPA100 processor would communicate the I Sense back to the >> MCU and display the correct current figure after rescaling. I understand >> that is not the case. >> >> 73, >> >> Ioannis PA1EQP >> >> On Sunday, 24 April 2016, Don Wilhelm <[email protected] <mailto: >> [email protected]>> wrote: >> >> Ioannis, >> >> The current display on the K2 indicates only the current for the >> base K2, not for the K2 and KPA100 combination. >> That is why you set the CAL CUR to 3.50 amps even though the >> KPA100 will draw much more current. >> >> Yes, the KPA100 does have a scaling on the amount of RF voltage >> that is being detected. That is used for power control and has >> nothing to do with the current displayed. The result of that >> voltage is sent to the VRFDET signal in the K2 (Voltage of the RF >> Detected). >> >> 73, >> Don W3FPR >> >> > -- Ioannis Kassotakis ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

