ParameterOverview

Title

Description

Minimum

Value

Maximum

Value

Unit

Increment

Value

Default

Value

PAR_ApplIsolationTimeout

This parameter defines the time till the CCL sets an communication error for isolation measurement if no final response from the SECC is received.

200

Second

PAR_ApplWaitForCommunic ation

This parameter defines the time till the CCL sets an communication error measured from plug detection till inlet locking. Precondition to lock the inlet:

lock permission
3% < CP duty cycle < 8%

200

Second

PAR_ApplWaitForHVReady

This parameter defines the time till the CCL sets an communication error measured from closed lock till the EV reports HV ready.

600

Second

PAR_ButtonDiagHigh

Upper limit of diagnostic resistor measured if button is not pressed

500

12000

Ohm

11000

PAR_ButtonPressedHigh

Upper limit of resistor measured if button is pressed

12000

Ohm

1200

PAR_ButtonPressedLow

Lower limit of resistor measured if button is pressed

12000

Ohm

800

PAR_CAN_CCL_GE

This Parameter describes the group extension of the base address for transmit messages for the different CCLs on a bus together with the HW function coding.

240

PAR_CAN_VCU_GE

This Parameter describes the group extension of the base address for receive messages for the different CCLs on a bus together with the HW function coding.

240

PAR_CANBitrateCHARGING_ CAN

Buss speed of Charging Can used during application.

Value	Description
SNA	no Charging CAN configured
250kbit/s	configure can to use 250kbit/s
500kbit/s	configure can to use 500kbit/s

SNA

PAR_CANBitrateVCU_CAN

Buss speed of Charging Can used during application.

Value	Description
250kbit/s	configure can to use 250kbit/s
500kbit/s	configure can to use 500kbit/s

500kbit/s

PAR_CANCCLSourceAddress

This Parameter describes the source address part of the base address for transmit messages for the different CCLs on a bus together with the HW function coding.

250

130

PAR_CANEnableCMS_XCPFo rwarding

If more than one CCL is equipped to a vehicle XCP forwarding to CMS needs to be enabled or disabled due to the fact, that the CMS has a fixed address for communication. UDS forwarding will be done in dependence of function coding (CMS 2.0 or newer required)

Value	Description
TRUE	XCP forwarding to CMS is enabled
FALSE	XCP forwarding to CMS is disabled

TRUE

PAR_CANEnableDebugMess ages

The parameter describes if CCL debug messages are send out via VCU_CAN:

Symbol	Description
TRUE	Additional debug messages are send on the VCU_CAN
FALSE	No debug message is send out

FALSE

PAR_CANIvtCanId

This Parameter describes where the CAN-IDs of the IVT-S result messages start.

Message	CAN-ID
IVT_RESULT_CURRENT	PAR_CANIvtCanId
IVT_RESULT_Voltage1	PAR_CANIvtCanId + 1
IVT_RESULT_Voltage2	PAR_CANIvtCanId + 2
IVT_RESULT_Voltage3	PAR_CANIvtCanId + 3
IVT_RESULT_Temperature	PAR_CANIvtCanId + 4

65535

1313

PAR_CANMonitorE2EProtection

This parameter enables the E2E protection for message VCU_SafeSignals and CCL_SafePlugStates. If E2E protection is enabled, there must be a valid CRC as well as an incrementing sequence counter. If this is not the case the ECU is going to safe state within 100 ms. For information how to calculate the CRC, please check the user guide.

Value	Description
FALSE	E2E protection for VCU_SafeSignals is disabled
0x1D	8-bit SAE J1850: CRC-Width 8; polynomial 0x1D; XOR initial value 0xFF; XOR Out 0xFF
0x1D_ID	polynomial like 0x1D includes message ID without priority in payload calculation.
0x2F	8-bit 0x2F polynomial: CRC-Width 8; polynomial 0x2F; XOR initial value 0xFF; XOR Out 0xFF
0x2F_ID	polynomial like 0x2F includes message without priority ID in payload calculation.

FALSE

PAR_CANTerminationCHARGING_CAN

The parameter describes if the CHARGING_CAN is not terminated

Symbol	Description
TRUE	CAN is not terminated
FALSE	CAN is terminated with 120Ohm

FALSE

PAR_CANTerminationVCU_CAN

The parameter describes if the VCU_CAN is not terminated

Symbol	Description
TRUE	CAN is not terminated
FALSE	CAN is terminated with 120Ohm

FALSE

PAR_CANVCUSourceAddress

This Parameter describes the source address part of the base address for receive messages for the different CCLs on a bus together with the HW function coding.

250

128

PAR_ChargingCurrentSource

This Value describes the source of the charging current measurement

Value	Description
EVSE	the current is received from the EVSE via PLC.
IVT_CHARGING_CAN	the IVT-S measures the charging current and provides the voltage via CHARGING CAN
IVT_VCU_CAN	the IVT-S measures the charging current and provides the voltage via VCU CAN

EVSE

PAR_DCThresholdVoltage

This value defines the maximum voltage difference between inlet and vehicle voltage in which the switches are allowed to be closed. ISO 61851 defines 20 Volt

Volt

0,1

PAR_DisconnectInletVoltage

during disconnection of the HV connection the charging voltage needs to be below a limit to prevent a flash
60V in accordance to ISO61851

100

Volt

0,1

PAR_FuncButtonSupport

Defines the type of Button used:

Value	Description
NONE	Button function is disabled
SIMPLE_NO	Simple normally opened button which closes contact on press.
DIAG	Diagnostic resistors parallel and in series to the close contact.

NONE

PAR_FuncCCCheckLow

Enumeration if function observe reverse charging current enabled or not

Value	Description
TRUE	function observe reverse charging current is enabled
FALSE	function observe reverse charging current is disabled

FALSE

PAR_FuncHVInterlockVariant

The parameter describes the usage of the HV interlock connection.

Value	Description
NONE	function observe reverse charging current is enabled
BOTH	function observe reverse charging current is disabled
IL_1	Parameter is used if only interlock 1 is used for safety measure.
IL_2	Parameter is used if only interlock 2 is used for safety measure.

NONE

PAR_FuncLEDControl

Enumeration to show if the HMI LEDs are handled by the CCL or by an external source ( e.g. VCU)

Value	Description
VCU	LEDs are controlled by the VCU, the CCL just controls the physical handling
INTERNAL	LEDs are controlled by the CCL.

INTERNAL

PAR_FuncObserveCPCommunication

If the Vehicle does not support prevent drive off during charging based on Plug state the CP communication could be optional used to detect a broken cable. Enumeration if function observe CP communication as safety function to detect a broken cable is enabled or not

Value	Description
TRUE	function observe existing CP communication during charging to detect broken wire as safety function
FALSE	function does not observe existing CP communication during charging to detect broken wire as safety function (communication loss is still observed)

FALSE

PAR_HVSWCharacteristics

This parameter describes the characteristic of the analogue connected HVSWs:

Value	Description
SIMPLE	switches that provide a simple coil like HVC500B-12SE
ACTIVE_ECONOMIZER	switches with an active economizer like KILOVAC EV200 Series

Note: with additional environment conditions an active economizer can influence the open load detection during start up by detecting an open load even if the switch is connected. For active economizer open load will be detected the first time while closing the switch.

SIMPLE

PAR_HVSWDelayBetweenClo sing

This parameter describes the delay between the two switches to be closed.

100

PAR_HVSWSink

This Value describes the sink of the HVSW

Value	Description
ANALOG	the HVSWs are directly connected to the CCL via analogue outputs
VCU_CAN	the HVSWs are connected via VCU_CAN. The CCL sends the close/open Request for each HVSW separate and observes the reaction
SWB_CAN	the HVSWs are connected via SEB_CAN. The CCL sends the close / open Request for each HVSW separate and observes the reaction

ANALOG

PAR_HVSWTimeClosing

This parameter describes the time till the switch is closed and diagnostics starts again to avoid miss measurement due to bouncing effects. This Parameter depends on the chosen switch and should be as less as possible.

1000

200

PAR_HVSWTimeReleasing

This parameter describes the time till the switch is opened and diagnostics starts again to avoid miss measurement due to bouncing effects. This Parameter depends on the chosen switch and should be as less as possible.

1000

PAR_InletType

This Parameter defines the used Inlet of the vehicle.

Symbol	Description
CCS1	The connected Inlet is a Type CCS1 Inlet
CCS2	The connected Inlet is a Type CCS2 Inlet
SSCP	Schunk-Smart-Charging Roof-mounted pantograph with isolated multi-pin structure
NACS	The connected Inlet is a Type NACS Inlet

CCS2

PAR_InletVoltageSource

This Value describes the source of the inlet voltage measurement

Value	Description
VCU_CAN	The VCU measures the inlet voltage and provides the voltage via CAN
EVSE	The EVSE provides PresentVoltage and this voltage will be used.
IVT_CHARGING_CAN	The IVT-S measures the inlet voltage and provides the voltage via CHARGING CAN
IVT_VCU_CAN	The IVT-S measures the inlet voltage and provides the voltage via VCU CAN

EVSE

PAR_IvtWiring

This parameter alocates the IVT in the DC+/DC- path if one of the following parameters is configured to IVT_CHARGING_CAN || IVT_VCU_CAN, :

Value	Current measurement connected in	Voltage 1 PIN connected to	Voltage 2 PIN connected to	Voltage 3 PIN connected to
INLET	inlet DC+/DC- path in current direction during charging	vehicle DC+/DC-	inlet DC+/ DC-	vehicle DC-/DC+
VEHICLE	vehicle DC+/DC- path in current direction during charging	inlet DC+/DC-	vehicle DC+/ DC-	inlet DC-/DC+

PAR_IVTWiring = INLET.

PAR_IVTWiring = VEHICLE.

PAR_LED1Current

To adopt the brightness of the LED to the used hardware the constant current for the LED supply is adjustable.

100

PAR_LED3Current

To adopt the brightness of the LED to the used hardware the constant current for the LED supply is adjustable.

100

PAR_LED4Current

To adopt the brightness of the LED to the used hardware the constant current for the LED supply is adjustable.

100

PAR_LockFeedback

Lock feedback is done in two different ways. the CCL supports
both versions (including one feedback contact or two end stop switches.

Value	Description
Single	in this case there is one feedback contact, which shows the correct closing state of the inlet lock. In case of open an open load is detected, in case of closed a defined resistor value or short to ground is detected. For SINGLE lock feedback is only ASIL QM.
SINGLE_DIAG	in this case there is a diagnose resistor provided to detect the correct work of the feedback contact if lock closed is not reached. For close and diag are different resistor values are measured.
ENDSTOP_DIAG	in this case there is a diagnose resistor provided to detect the correct work of the feedback and two end stop contact provided to detect the correct open and close position of the lock.

SINGLE_ DIAG

PAR_LockFeedbackClosedM ax

Maximum resistor value for lock close detection.

12000

Ohm

10500

PAR_LockFeedbackClosedMi n

Minimum resistor value for lock close detection.

12000

Ohm

9500

PAR_LockFeedbackDiagMax

Maximum resistor value for correct diagnose feedback measurement detection.

500

12000

Ohm

1200

PAR_LockFeedbackDiagMin

Minimum resistor value for correct diagnose feedback measurement detection.

500

12000

Ohm

800

PAR_LockFeedbackOpenMin

Minimum value for lock open detection.

500

12000

Ohm

2500

PAR_LockMotorPwm

This Parameter defines the PWM dutycycle with which the Lock motor is driven. Can be used to slow down the motor to avoid overruning the close and open feedbacks of the lock.

100

PAR_LockTimeout

The parameter describes the maximum allowed time to change the state of the lock. If an end switch is available this is the maximum time till the feedback is received. If no feedback is available for this transition the parameter defines the control time.

10000

100

300

PAR_MaxChargeStartTempe rature

This value defines the maximum inlet temperature to start charging. If current Inlet temperature is higher than this value charging process won't start.

-60

150

Grad Celsi us

0,1

PAR_MaxUnintendedReflow Current

Maximum current allowed during discharge.

-500

Amp ere

-1

PAR_OBCPresent

This parameter describes, if and which additional OBC for AC-Charging is present.

Value	Description
VCU_CONTROLLED	The CCL provides the relevant values for the OBC to the VCU (Mode 1/ Mode 2)
FALSE	There is no OBC

FALSE

PAR_PreChargeCurrent

The Precharge Current Request shall be in accordance to 61851-23 the pre charge Current needs to be less than 2A

0,1

PAR_PreChargeVoltageOffset

This offset ensures, that the EVSE Voltage (InletVoltage) is higher than the VehicleVoltage, goal is to prevent a negative current flow (discharging vehicle).

Volt

0,1

PAR_PriorityDIN70121

This parameter shall let the integrator choose the preferred priority of the DIN 70121 charging protocol.

Value	Description
DISABLED	disable DIN 70121 charging protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

PRIORITY_2

PAR_PriorityISO15118-20AC

This parameter shall let the integrator choose the preferred priority of the ISO15118-20 AC charging protocol.

Value	Description
DISABLED	disable ISO15118-20 AC protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

DISABLED

PAR_PriorityISO15118-20ACBPT

This parameter shall let the integrator choose the preferred priority of the ISO15118-20 AC Bidirectional-Power-Transfer (BPT) charging protocol.

Value	Description
DISABLED	disable ISO15118-20 AC BPT protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

DISABLED

PAR_PriorityISO15118-20DC

This parameter shall let the integrator choose the preferred priority of the ISO15118-20 DC charging protocol.

Value	Description
DISABLED	disable ISO15118-20 DC protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

DISABLED

PAR_PriorityISO15118-20DCBPT

This parameter shall let the integrator choose the preferred priority of the ISO15118-20 DC Bidirectional-Power-Transfer (BPT) charging protocol.

Value	Description
DISABLED	disable ISO15118-20 DC BPT protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

DISABLED

PAR_PriorityISO15118-2DC

This parameter shall let the integrator choose the preferred priority of the ISO15118-2 DC charging protocol.

Value	Description
DISABLED	disble ISO15118-2 DC protocol
PRIORITY_1	highest priority
PRIORITY_2	-
PRIORITY_3	-
PRIORITY_4	-
PRIORITY_5	-
PRIORITY_6	lowest priority

DISABLED

PAR_ReducePowerEnable

Enumeration if function reduce charging current enabled or not

Value	Description
TRUE	function reduce power is enabled
FALSE	function reduce power is disabled

FALSE

PAR_ReducePowerInletMaxT emperature

This value defines the maximum temperature measured at the DC inlet for Power reduction during DC-Charging. This value shall be less than the cut off temperature to open the switches.

150

Grad Celsi us

0,1

PAR_ShutdownDirectly

This Parameter describes if the CCL ends DC charging directly if the CCL receives a shutdown request by button or EVSE or if the CCL waits for end charging signal of the VCU. In Case of AC charging CCL ignores this value and waits VCU signal.

Symbol	Description
TRUE	CCL does not wait for response of the VCU to end DC charging
FALSE	CCL waits for response of the VCU to end charging

TRUE

PAR_TempACResistorLimit

For AC range temperature measurement a resistor value limit is implemented to define if a temperature is HIGH or LOW
For NTC:
tempResistor <= CCL-1302- PAR_TempACResistorLimit => HIGH
tempResistor > CCL-1302- PAR_TempACResistorLimit => LOW
For PT100chain :

tempResistor <CCL-1302- PAR_TempACResistorLimit =>LOW
tempResistor =>CCL-1302- PAR_TempACResistorLimit =>HIGH

200

1600

Ohm

1300

PAR_TempConfiguration

The parameter describes the different temperature configurations for the CCL.

Temperature Configuration	Temp1	Temp2	Temp3	Temp4
DC_DUAL	DC+	DC-	SNA	AUX
DC_SINGLE	DC+	SNA	SNA	AUX
ACV_DC_DUAL	DC+	DC-	ACV	AUX
ACV_DC_SINGLE	DC+	SNA	ACV	AUX
ACR_DC_DUAL	DC+	DC-	ACR	AUX
ACR_DC_SINGLE	DC+	SNA	ACR	AUX
ACNTC_DC_DUAL	DC+	DC-	2NTC	NTC
NACS_NTC	NTC	NTC	SNA	AUX
NACS_PT1000	DC+	DC-	SNA	AUX

DC+: PT1000 connected to Tempx

DC-: PT1000 connected to Tempx

ACV: PT1000 connected to Tempx

ACR: PT100 chain is connected to Tempx

AUX: PT1000 connected to Tempx SNA: Tempx is not used

2NTC: two NTC are connected parallel to Tempx

NTC: one NTC is connected to Tempx

PAR_TempMaxDCTempDiff

This value defines the maximum temperature difference between the two DC Temperature resistors.

100

Kelvi n

0,1

PAR_TempMaxInletDCTemp

This value defines the maximum temperature of the inlet temperature resistors.

-60

150

Grad Celsi us

0,1

PAR_VehicleVoltageSource

This Value describes the source for the Value of the voltage Measurement

Value	Description
VCU_CAN	the VCU measures the charging voltage and provides the voltage via CAN
IVT_CHARGING_CAN	the IVT-S measures the vehicle voltage and provides the voltage via CHARGING CAN
IVT_VCU_CAN	the IVT-S measures the vehicle voltage and provides the voltage via VCU CAN

VCU_CAN

PAR_WakeUpSleepTime

This parameter define the time CCL goes to sleep if every configured wake-up source is inactive.

255

Second

PAR_WakeUpSourcesCCL

This parameter defines, the wake up reasons for the CCL:

Bit	Value	Description
0	WU_IN	CCL wakes up if raising edge on WU_IN is detected
1	Plug_Connected	CCL wakes up if plug is connected or message from EVSE arrives
2	Plug_Released	CCL wakes up if plug is released or message from EVSE arrives
3	VCU_CAN	CCL wakes up if message is received on vehicle CAN
4	CHARGING_CAN	CCL wakes up if message is received on Charging CAN
5	Not_Used_Bit5	Not used
6	Not_Used_Bit6	Not used
7	Not_Used_Bit7	Not used

255

PAR_WeldingDetection

There are 2 generic possibilities to detect a welded switch, with or with out feedback. to be flexible both welding detections are supported, and can be activated if needed.

Value	Description
WITH_FBK	welding detection by measured feedback contacts
SEQUENCE	welding detection by welding sequence
SNA	no welding detection needed

PAR_WeldingVoltageDifference

Minimal difference between Inlet and vehicle voltage to detect a welded switch.

100

Volt

0,1

CHARX help
Published/reviewed: 2026-02-23,, Version history