Foccci - Revision history

Uhi22: Corrected supply voltage range

2026-04-28T06:38:35Z

Corrected supply voltage range

← Older revision		Revision as of 06:38, 28 April 2026
Line 140:		Line 140:
	\|B8		\|B8
	\|B8		\|B8
	\|Supply voltage, always on. 9 to ~~24V~~ are fine.		\|Supply voltage, always on. 9 to 16V are fine.
			Foccci contains a protection diode (U5, TVS, SMAJ16A) which will draw current starting between 18V and 20V.
			Foccci contains a reverse-polarity protection diode (D13, SS54).
	\|-		\|-
	\|LED_RED		\|LED_RED

Uhi22: Added more details to pins.

2025-10-17T07:36:23Z

Added more details to pins.

← Older revision		Revision as of 07:36, 17 October 2025
Line 38:		Line 38:
	\|A1		\|A1
	\|A1		\|A1
	\|Power pin temperature sensor. It is pulled up to 3.3V with 10k and the sensor must pull down to GND. Sensor characteristics are configurable in software		\|Power pin temperature sensor. It is pulled up to 3.3V with 10k and the sensor must pull down to GND. Sensor characteristics are configurable in software. If you have less than 3 temperature sensors, just leave Focccis temperature input open. Foccci with treat this as large negative temperature, which does not hurt.
	\|-		\|-
	\|TEMP2		\|TEMP2
	\|A2		\|A2
	\|A2		\|A2
	\|As above		\|As above.
	\|-		\|-
	\|TEMP3		\|TEMP3
Line 100:		Line 100:
	\|A12		\|A12
	\|'''B12'''		\|'''B12'''
	\|		\|The ground of Foccci. Shall be connected with a short path to the chassis screw which connects the PE cable from the charge port to the chassis.
	\|-		\|-
	\|CANH		\|CANH
Line 125:		Line 125:
	\|B5		\|B5
	\|B5, '''B3'''		\|B5, '''B3'''
	\|		\|see above
	\|-		\|-
	\|SW1(_LS)		\|SW1(_LS)
Line 145:		Line 145:
	\|B9		\|B9
	\|'''A12'''		\|'''A12'''
	\|Status LEDs		\|Status LEDs. Foccci drives 12V at this pin, to turn the LED on. The other side of the LED shall be connected to ground. The LED needs an appropriate resistor to work with 12V.
	\|-		\|-
	\|LED_GREEN		\|LED_GREEN

Tom91: NO. this is not the place, questions are to be asked on the forum. Once answered they can be posted here.

2025-05-08T16:26:50Z

NO. this is not the place, questions are to be asked on the forum. Once answered they can be posted here.

← Older revision		Revision as of 16:26, 8 May 2025
Line 1,039:		Line 1,039:

	=== Q10: ... Feel ... free ... to .... add ... more ... questions ... here. ===		=== Q10: ... Feel ... free ... to .... add ... more ... questions ... here. ===
	Q11: ... Considering the points in Q6 using Foccci as EVSE would it be the same if Foccci could be configured as a DC to DC current/charger controller as to be Foccci to Foccci. One use case is to provide occasional additional DC charging from a large portable DC battery bank that is carried in the car to help extend the range when no CCS charger is local to the user? ie a stripped down protocol that is more simple than full EVSE compliant stack. The starting stage of a lite subset in ISO 15118-20 for v2v perhaps.
	[[Category:CCS]] [[Category:Rapid Charging]]		[[Category:CCS]] [[Category:Rapid Charging]]
	[[Category:Charger]]		[[Category:Charger]]
	[[Category:OpenInverter]]		[[Category:OpenInverter]]

Colinwgs: /* Q10: ... Feel ... free ... to .... add ... more ... questions ... here. */

2025-05-07T09:53:32Z

Q10: ... Feel ... free ... to .... add ... more ... questions ... here.

← Older revision		Revision as of 09:53, 7 May 2025
Line 1,039:		Line 1,039:

	=== Q10: ... Feel ... free ... to .... add ... more ... questions ... here. ===		=== Q10: ... Feel ... free ... to .... add ... more ... questions ... here. ===
	Q11: ... ~~Feel ... free ..~~. to ~~.... add ...~~ more .~~.. questions ... here~~.		Q11: ... Considering the points in Q6 using Foccci as EVSE would it be the same if Foccci could be configured as a DC to DC current/charger controller as to be Foccci to Foccci. One use case is to provide occasional additional DC charging from a large portable DC battery bank that is carried in the car to help extend the range when no CCS charger is local to the user? ie a stripped down protocol that is more simple than full EVSE compliant stack. The starting stage of a lite subset in ISO 15118-20 for v2v perhaps.
	[[Category:CCS]] [[Category:Rapid Charging]]		[[Category:CCS]] [[Category:Rapid Charging]]
	[[Category:Charger]]		[[Category:Charger]]
	[[Category:OpenInverter]]		[[Category:OpenInverter]]

Uhi22: Details for the Lock Thresholds

2025-05-02T20:17:44Z

Details for the Lock Thresholds

@@ Line 347: / Line 347: @@
 |4095
 | 0
 | Lock feedback value for open - if equal to lockclosethr no feedback is assumed and lock is operated timed
 |-
 | ppvariant

Uhi22: added spot value AdcInletVoltage

2025-05-02T20:03:52Z

added spot value AdcInletVoltage

← Older revision		Revision as of 20:03, 2 May 2025
Line 525:		Line 525:
	\|		\|
	\|Shows the reason why charge power is limited		\|Shows the reason why charge power is limited
			\|-
			\|AdcInletVoltage
			\|dig
			\|Value on the AD converter for the analog inlet voltage measurement. Is the basis for calculation of InletVoltage if the inlet voltage source is configured to "analog input".
	\|-		\|-
	\|InletVoltage		\|InletVoltage

Uhi22: Added parameter UdcOffset

2025-05-02T20:00:56Z

Added parameter UdcOffset

← Older revision		Revision as of 20:00, 2 May 2025
Line 286:		Line 286:
	\|0		\|0
	\|100		\|100
	\|10		\|2.63
	\|Division factor from ADC digits to V of external voltage measurement board.		\|Division factor from ADC digits to V of external voltage measurement board.
	In other words: The UdcDivider is the configuration parameter which defines the scaling of the physical inlet voltage measurement circuit. That's why it is only relevant if a physical inlet voltage measurement circuit is present, and if the parameter InletVtgSrc is 1, means the Foccci will measure the inlet voltage with the analog input. CAN mapping makes no sense for the UdcDivider, because it is a fix value. It is the ratio between the voltage on the inlet and the digital value on the AD converter.		In other words: The UdcDivider is the configuration parameter which defines the scaling of the physical inlet voltage measurement circuit. That's why it is only relevant if a physical inlet voltage measurement circuit is present, and if the parameter InletVtgSrc is 1, means the Foccci will measure the inlet voltage with the analog input. CAN mapping makes no sense for the UdcDivider, because it is a fix value. It is the ratio between the voltage on the inlet and the digital value on the AD converter.

			For the muehlpower board this value is approx 2.63.
			\|-
			\|UdcOffset
			\|dig
			\|0
			\|4000
			\|572
			\|Offset for the external voltage measurement board.
			To find out the necessary value, apply 0V inlet voltage, and look at the spot value AdcInletVoltage. Take this value and enter it as parameter UdcOffset.
			For the muehlpower board this value is approx 572.
	\|-		\|-
	\|EconomizerDuty		\|EconomizerDuty

Uhi22: typo

2025-02-27T08:36:45Z

typo

← Older revision		Revision as of 08:36, 27 February 2025
Line 595:		Line 595:
	1: Isolation monitoring shall be on (default)		1: Isolation monitoring shall be on (default)

	Background: If we are in precharge, we tell the vehicle side isolation monitoring to keep calm, because the next step will be that the contactors close, and then the charger side isolation monitoring shall be the only one which is monitoring the isolation. Because if we would have two isolation monitors working at the same time, they could/would ~~detection~~ isolation faults by seeing each other.		Background: If we are in precharge, we tell the vehicle side isolation monitoring to keep calm, because the next step will be that the contactors close, and then the charger side isolation monitoring shall be the only one which is monitoring the isolation. Because if we would have two isolation monitors working at the same time, they could/would detect isolation faults by seeing each other.
	Discussion started here: https://openinverter.org/forum/viewtopic.php?p=80149#p80149		Discussion started here: https://openinverter.org/forum/viewtopic.php?p=80149#p80149
	\|-		\|-

Uhi22: formatting

2025-02-27T08:35:36Z

formatting

← Older revision		Revision as of 08:35, 27 February 2025
Line 592:		Line 592:
	\|This signal gives Foccci the possibility to control the isolation monitoring on vehicle side.		\|This signal gives Foccci the possibility to control the isolation monitoring on vehicle side.
	0: Isolation monitoring shall be off		0: Isolation monitoring shall be off

	1: Isolation monitoring shall be on (default)		1: Isolation monitoring shall be on (default)

	Background: If we are in precharge, we tell the vehicle side isolation monitoring to keep calm, because the next step will be that the contactors close, and then the charger side isolation monitoring shall be the only one which is monitoring the isolation. Because if we would have two isolation monitors working at the same time, they could/would detection isolation faults by seeing each other.		Background: If we are in precharge, we tell the vehicle side isolation monitoring to keep calm, because the next step will be that the contactors close, and then the charger side isolation monitoring shall be the only one which is monitoring the isolation. Because if we would have two isolation monitors working at the same time, they could/would detection isolation faults by seeing each other.
	Discussion started here: https://openinverter.org/forum/viewtopic.php?p=80149#p80149		Discussion started here: https://openinverter.org/forum/viewtopic.php?p=80149#p80149

Uhi22: added spot value VehicleSideIsoMonAllowed

2025-02-27T08:34:40Z

added spot value VehicleSideIsoMonAllowed

← Older revision		Revision as of 08:34, 27 February 2025
Line 587:		Line 587:
	\|100 ms		\|100 ms
	\|Time since last ChargeCurrent update. When it reaches 30 (3s) the charge session is stopped		\|Time since last ChargeCurrent update. When it reaches 30 (3s) the charge session is stopped
			\|-
			\|VehicleSideIsoMonAllowed
			\|
			\|This signal gives Foccci the possibility to control the isolation monitoring on vehicle side.
			0: Isolation monitoring shall be off
			1: Isolation monitoring shall be on (default)
			Background: If we are in precharge, we tell the vehicle side isolation monitoring to keep calm, because the next step will be that the contactors close, and then the charger side isolation monitoring shall be the only one which is monitoring the isolation. Because if we would have two isolation monitors working at the same time, they could/would detection isolation faults by seeing each other.
			Discussion started here: https://openinverter.org/forum/viewtopic.php?p=80149#p80149
	\|-		\|-
	\|cpuload		\|cpuload