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update errata

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This commit is contained in:
Sebastien Bourdeauducq 2017-12-29 15:05:12 +08:00
parent 4347ddc537
commit fe088d7bba
2 changed files with 6 additions and 4 deletions
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4
firmware/src/loop_cathode.rs
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@ -8,7 +8,7 @@ const FBI_PID_PARAMETERS: pid::Parameters = pid::Parameters {
ki: 20.0,
kd: 10.0,
output_min: 0.5,
output_max: 3.1,
output_max: 10.0,
integral_min: -0.1,
integral_max: 0.1
};
@ -98,7 +98,7 @@ impl Controller {
let fv = fv_sample as f32/board::FV_ADC_GAIN;
let fv_pwm_duty = self.fv_pid.update(fv);
board::set_fv_pwm(fv_pwm_duty as u16);
board::set_fv_pwm(120);
self.last_fv = Some(fv);
self.last_fbv = Some(fbv_sample as f32/board::FBV_ADC_GAIN);

6
hardware/errata.md
View File

@ -30,10 +30,9 @@ Rev 1
* review values of R226 and R113
* C100 -> 47pF NP0 AVX, R107 -> 100K, C101 -> 0.1uF
* use crystal type recommended by the MCU datasheet
* 22k FBI current resistor -> 10k?
* add connector for OLED display?
* enlarge holes to fit M3 screws comfortably
* add 15M (TBC) resistor between A and FIL-
* add 15M resistor between A and FIL-
* power U200 from a small negative voltage instead of GND
* review choice of filament flyback output diode
* invert LED position so that the Ethernet LED is closest to the connector
@ -42,3 +41,6 @@ Rev 1
* change D351 model to MBR1645
* add snubber on D351
* add heatsink (Seifert-KK633) to D351
* move D351 further away from transformer for heatsink clearance
* add plated-through holes and pads for mounting rods of BNC connector
* simplify FBI circuit, 2 ranges only (typ. 8mA and 45mA), remove diodes and neglect MOSFET leakage