LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2021 >> Metris Van Cargo >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical System, Equipment & Instruments (03 Of 11) -- 447 Chassis >> Basic Knowledge >> Marco Polo Package, PSM Function - GF54.21-S-3037TRA

Marco Polo Package, PSM Function - GF54.21-S-3037TRA

Model 447.7 

With Code ED5 (Parameterisable special module) 

With Code ZH6 (Marco Polo ACTIVITY) 

Except Code XM7 (MOPF II) 

Model 447.8 

With Code ED5 (Parameterisable special module) 

With Code ZK7 (Equipment line MARCO POLO) 

Except Code XM7 (MOPF II) 

Marco Polo pop-out windows 

Marco Polo pop-out window module 

To enable this module to be used, the "Other functions" module must be activated and the "Interior protection passive circuit" has to be coded.

Parameter Value range Meaning
TO_IN_MPM_FW 1...255 Timeout error for discrete button jammed [100 ms/bit]
TO_IN_FW_ADJ 1...255 Timeout error for CAN button jammed [100 ms/bit]
TO_PU_Open 1...65 535 Timeout error for pop-up roof open [100 ms/bit]
TO_PU_Close 1...65 535 Timeout error for pop-up roof close [100 ms/bit]
AT_FW_Open 1...255 Function time (motor actuation) for flipper window open [100 ms/bit]
AT_FW_Close 1...255 Function time (motor actuation) for flipper window close [100 ms/bit]
Fold_Play_Level1 0...10 000 Lower switching threshold: Deactivation threshold after exceeding Fold_Play_Level2
Fold_Play_Level2 0...10 000 Upper switching threshold: Activation threshold
Fold_Play_Increase_Factor 0...255 Increment: addition value
Fold_Play_Decrease_Factor 0...255 Increment: subtraction value

Example configuration 

Usage of PSM inputs 

Multifunction input 08 

Wake-capable, threshold values configurable.

Configured threshold values (correspond to external resistance range in parentheses):

Multifunction input 05 and 09 

Connected to each other externally in order to combine wake-up capability with stage evaluation.

Multifunction input 05: Wake-up capable.

Multifunction input 09: Threshold values configurable.

Configured threshold values (correspond to external resistance range in parentheses):

Multifunction input 02 

Usage of PSM outputs 

Multifunction outputs 03 and 20 

OPEN DESCRIPTION

Input Description
IN_MPM_FW_Open_Rq Input for opening pop-out window
IN_MPM_FW_Close_Rq Input for closing pop-out window
Flipper window adjustment Open Input for opening, linked to enable conditions
Flipper window adjustment Close Input for closing, linked to enable conditions
IN_Child_Security_Inactive Enable condition for "Flipper window adjustment"
IN_PopUp_Roof_Close Signal from pop-up roof: Pop-up roof is closed
IN_PopUp_Roof_Open Signal from pop-up roof: Pop-up roof is opened

Function requirements (AND operation) 

Activation for opening pop-out window (OR operation) 

Active function for opening pop-out window 

The control unit is kept awake as long as the function is executed.

End or function cancellation for opening pop-out window (OR operation) 

If the function is terminated or interrupted, the internal request is canceled. Activation must be repeated.

Signals:

DESCRIPTION OF CLOSING

Input Description
IN_MPM_FW_Open_Rq Input for opening pop-out window
IN_MPM_FW_Close_Rq Input for closing pop-out window
Flipper window adjustment Open Input for opening, linked to enable conditions
Flipper window adjustment Close Input for closing, linked to enable conditions
IN_Child_Security_Inactive Enable condition for "Flipper window adjustment"
IN_PopUp_Roof_Close Signal from pop-up roof: Pop-up roof is closed
IN_PopUp_Roof_Open Signal from pop-up roof: Pop-up roof is opened

Function requirements (AND operation): activated 

Activation for closing pop-out window (OR operation) 

The control unit is kept awake as long as the function is executed.

End or function cancellation for closing pop-out window (OR operation) 

If the function is terminated or interrupted, the internal request is canceled. Activation must be repeated.

Signals:

IMPORTANT After the open/close pop-up roof sequence has been completed, thereby opening the pop-out window, the window is for safety reasons not allowed to be closed automatically. Actuation by the user is required to close the window.

Fault monitoring 

The inputs "IN_MPM_FW_Open_Rq" and "IN_MPM_FW_Close_Rq" are monitored for exceeding of the maximum operating period of "TO_IN_MPM_FW".

If the maximum operating period is exceeded, the internal signal is canceled. In other words, the close pop-out window function is terminated. An entry is saved in the fault memory. The input is only considered again once the signal has reached the value 0.

After the enabling conditions have been checked, the inputs "Flipper window adjustment_Open" and "Flipper window adjustment_Close" are monitored for exceeding of the maximum operating period of "TO_IN_FW_ADJ".

If the maximum operating period is exceeded, the internal signal is canceled. In other words, the close pop-out window function is terminated. An entry is saved in the fault memory. The input is only considered again once the signal has reached the value 0.

The input "IN_PopUP_Roof_Open" is monitored for exceeding of the maximum operating period of "TO_IN_PU_Open".

If the maximum operating period is exceeded, the internal signal is canceled. An entry is saved in the fault memory. The input is only considered again once the signal has reached the value 0.

The input "IN_PopUP_Roof_Close" is monitored for exceeding of the maximum operating period of "TO_IN_PU_Close".

If the maximum operating period is exceeded, the internal signal is canceled. An entry is saved in the fault memory. The input is only considered again once the signal has reached the value 0.

Line monitoring of inputs "IN_MPM_FW_Open_Rq" and

"IN_MPM_FW_Close_Rq" is conducted by evaluating the assigned multifunction inputs and this must be accordingly coded to the inputs

"IN_MPM_FW_Open_Err_SC" (short circuit to GND),

"IN_MPM_FW_Open_Err_NA" (resistance value not in permissible range) as well as in "IN_MPM_FW_Close_Err_SC" (short circuit to GND),

"IN_MPM_FW_Close_Err_NA" (resistance value not in permissible range).

If the input exhibits a fault, an entry is made in the fault memory and the input is only evaluated again when the fault has been cleared.

Play protection 

Play protection is realized through an activity counter.

Function requirements (AND operation) 

Function description 

The activity counter is set to 0:

At motor actuation ("Out_MPM_ASF_Marco_Polo_On" = 1), the activity counter is increased by the value "Fold_Play_Increae_Factor" at every full second.

If the activity counter is > "Fold_Play_Level1", then for each second without motor actuation ("Out_MPM_ASF_Marco_Polo_On" = 0) this counter is reduced by the value "Fold_Play_Decrease_Factor".

If the activity counter is ≥ upper threshold "Fold_Play_Level2", then play protection is activated ("Out_MPM_FW_Fold_Play_Actv" = 1). The activity counter is not increased any further.

Play protection ("Out_MPM_FW_Fold_Play_Actv" = 0) is reset when the activity counter is ≤ "Fold_Play_Level1".

Configurable parameters are:

If "Fold_Play_Level2" is set to 0, play protection is switched off.

State diagram 

This state transition diagram describes the procedure for opening and closing the pop-out window.

The static states are shown in the "Out_MPM_FW_MP_State" signal. For dynamic states, this signal pool signal contains the last static state.

Status Description
OPEN Static state: Pop-out window is open
Out_MPM_FW_MP_Close = 0
Out_MPM_FW_MP_Open = 0
Out_MPM_FW_MP_State = Open
Change to close pop-out window state:
"Close" input is actuated
AND function requirements are OK
AND play protection is inactive
Open pop-out window:
("Close" input is actuated
OR pop-up roof is "closed" or "open")
AND function requirements are OK
AND play protection is inactive
CLOSED Static state: Pop-out window is closed
Out_MPM_FW_MP_Close = 0
Out_MPM_FW_MP_Open = 0
Out_MPM_FW_MP_State = Close
Change to open pop-out window state:
("Close" input is actuated OR pop-up roof is "closed" or "open")
AND function requirements are OK
AND play protection is inactive
Close pop-out window:
"Close" input is actuated
AND function requirements are OK
AND play protection is inactive
UNKNOWN Static state: Position of pop-out window unknown
Out_MPM_FW_MP_Close = 0
Out_MPM_FW_MP_Open = 0
Out_MPM_FW_MP_State = unknown
Change to open pop-out window state:
("Close" input is actuated OR pop-up roof is "closed" or "open")
AND function requirements are OK
AND play protection is inactive
Close pop-out window:
"Close" input is actuated
AND function requirements are OK
AND play protection is inactive
Close Dynamic state: Pop-out window should be closed
Out_MPM_FW_MP_Close = 0
Out_MPM_FW_MP_Open = 0
Out_MPM_FW_MP_State = Last static state
Change to pop-out window UNKNOWN state:
At least one function requirement is not OK
OR a further button is pressed
OR button is released
Pop-out window CLOSED
Function period for "Close window" has expired
Open Dynamic state: Pop-out window should be opened
Out_MPM_FW_MP_Close = 0
Out_MPM_FW_MP_Open = 0
Out_MPM_FW_MP_State = Last static state
Change to pop-out window UNKNOWN state:
At least one function requirement is not OK
OR a further button is pressed
OR play protection is activated
Pop-out window OPEN
Function period for "Open window" has expired
  Parameterizable special module (PSM) control unit component description   GF54.21-S-5005TRA
  Overview of system components for parameterizable special module (PSM)   GF54.21-S-9998TRA