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@@ -764,26 +764,29 @@ if (($MSmode == 5) or ($MSmode == 4))
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// Post Regulation Current Monitor
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$U_ist = abs($adeiValue[10][0]);
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- $PR_hw_current = abs($adeiValue[10][31]);
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- $I_PR = $PR_hw_current;//$I_ist - $I_noPR;
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$APR_on = abs($adeiValue[10][29]);
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- $P_PR = $U_ist * $I_PR/1000; // 28W limit, 33 kV mit 0,7 mA ist Maximum für stabilen Betrieb
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+ $PID_setpoint = abs($adeiValue[10][30]);
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+ $I_PR = abs($adeiValue[10][31]);
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+ $P_PR = $U_ist * $I_PR/1000;
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+
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+ // low voltage U < 25 kV, high voltage up to 33 kV, not higher.
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+ // set limits to make sure not to exceed 28W limit or 0.95 mA for low voltages
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+ // at high voltages limit to 24W or 0,7 mA for stable operation
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$pic = "postreg";
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- if ($I_PR > 0.1)
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+ if ($I_PR >= 0.1)
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{
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if ($I_PR < 0.46) {$pic = $pic."Warn";}
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- else if (($I_PR >= 0.46) && ($I_PR <= 0.82)) {$pic = $pic."On";}
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- else if ($I_PR > 0.8) {$pic = $pic."Alarm";}
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+ else if (($I_PR >= 0.46) && ($I_PR <= 0.95) && ($P_PR < 28)) {$pic = $pic."On";}
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+ else if (($I_PR > 0.95) | ($P_PR >= 28)) {$pic = $pic."Alarm";}
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}
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- else $pic = $pic."Off";
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-
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+ else $pic = $pic."Off";
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$pos_y = 501;
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$pos_x = 455;
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$color = "#000000";
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- placePic($pos_y,$pos_x, $pic.".png", 30, "Status of HV post regulation 
green = normal operation 
gray = off 
red = current too high 
orange = current too low");
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+ placePic($pos_y,$pos_x, $pic.".png", 30, "Status of HV post regulation 
green = normal operation 
gray = off 
red = current or power too high 
orange = current too low");
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if ($I_PR < 0.1)
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{
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@@ -791,12 +794,21 @@ if (($MSmode == 5) or ($MSmode == 4))
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}
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else
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{
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- placeTextWithLink($pos_y+31,$pos_x-15, sprintf('%.2F mA', $I_PR), 60, 2, $color, "Current through post regulation triode shunt. 0.46-0.8 mA for optimal performance.", $adeiChannel[10][28]);
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- placeTextWithLink($pos_y+45,$pos_x-14, sprintf('%2.0F W', $P_PR), 60, 2, $color, "Power consumption of post regulation triode shunt. Must be < 28 W.", $adeiChannel[10][28]);
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+ placeTextWithLink($pos_y+31,$pos_x-15, sprintf('%.2F mA', $I_PR), 60, 2, $color,
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+ "Current through post regulation triode shunt. 0.46-0.95 mA as long as power < 28 W for optimal performance.",
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+ $adeiChannel[10][28]);
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+
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+ placeTextWithLink($pos_y+45,$pos_x-14, sprintf('%2.0F W', $P_PR), 60, 2, $color,
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+ "Power consumption of post regulation triode shunt. Must be < 28 W to prevent damage to triode.",
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+ $adeiChannel[10][28]);
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- if ($APR_on) placeTextWithLink($pos_y+57,$pos_x-4, "APR ON", 40, 0, "#40AA40", "Advanced Post Regulation (APR) status.", $adeiChannel[10][29]);
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+ if ($APR_on) placeTextWithLink($pos_y+57,$pos_x-4, "APR ON", 40, 0, "#40AA40",
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+ "Advanced Post Regulation (APR) status. 
Correction at ".sprintf('%.2F %', 10*$PID_setpoint).".",
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+ $adeiChannel[10][29]);
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- if ($PID_setpoint > 9.0) placeTextWithLink($pos_y+66,$pos_x-54, "APR setpoint limit", 140, 0, "#FF0000", "APR setpoint at 90% of limit.", $adeiChannel[10][30]);
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+ if ($PID_setpoint > 9.0) placeTextWithLink($pos_y+66,$pos_x-54,
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+ "APR setpoint limit", 140, 0, "#FF0000",
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+ "APR setpoint at 90% of limit.", $adeiChannel[10][30]);
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}
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} // end of PCS7 mode switch
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