DC-Car battery check

Informatie Bulletin MiniatuurA

Since February 2014, the DC-Car decoders are supplied with a battery test. How to activate and set the battery test is described in this information bulletin. It is recommended that you do this with the CV programmer and the free downloadable CV programmer software. To do this you need connector in the vehicle!

At the time of writing, there are two types of decoders, the DC07 and DC08. ATTENTION: With the type I decoders you have to connect the battery + input to the battery test input !!
Activation and adjustment can be divided into 3 steps:

1. The battery test must be activated. 2. The reference values for the battery test must be set. This depends on the type of battery and the battery voltage.
3. What should the vehicle do in the event of a battery alarm?

1. Activate battery test:

You do this with CV27 (the battery test is off by default).

CV27 has the following options: (defeault 3)
0 = Normal functions
1 = Battery test connection disabled (see also CV21)
2 = MF3 is used as output 1 function. Lighting sensor connection becomes this turned off. Control is via the F10 key of a DCC Central
4 = Flashing lights are assigned to F3, front strobes are assigned to F4, F5 and F6 therefore no longer have a function
8 = Reed ignition connection disabled
16 = DC-CAR Plus function: The function block output "Light 1 OFF" also switches lights 2, 3 and 4 off
32 = DC-CAR Plus function: The function block output "Light 1 OFF" switches all lighting off. (flashing lights, etc.)
64 = DC-CAR Plus function: The flashing light outputs of the function module are linked. The hazard lights are activated by switching on the left and right indicators.
128 = Reed contact reversed (Reed contact closed = vehicle stops, reed contact open = vehicle is moving)

Factory setting: 3
Possible values: 0-255

With option 1 you activate the battery test. It is ON by default and must be turned OFF.

2. Set reference values:

With CV28 you set the reference value for a battery alarm. Because the vehicles have different
types of batteries there are in fact three tables that can be worked with:

1 x NiMH	1,2 Volt		2 x NiMH	2,4 Volt		3 x NiMH or LiPo	3,6 Volt
Voltage	Value		Voltage	Value		Voltage	Value
1,5	84 full		3,0	174 full		4,1	240 full
1,4	78		2,9	168		4,0	234
1,3	72		2,8	162		3,9	228
1,2	66		2,7	156		3,8	222
1,1	60 empty		2,6	150		3,7	216
1,0	54		2,5	144		3,6	210
			2,4	138		3,5	204
			2,3	132		3,4	198
			2,2	126 empty		3,3	192 empty
			2,1	120		3,2	186
			2,0	114		3,1	180

Factory setting: 120
Possible values: 0-255

3.Feedback for XT-Modul

Battery empty an feedback to a XT-Modul
CV25=4 IR LED under the Vehikel (3 IR-LED DC07/DC10     2 IR-LED DC08/DC09)
CV25=1 IR LED with resistend right at the Vehikel (1 IR-LED DC07/DC10     1 IR-LED DC08/DC09)
Feedback_sensor#IR-Sensoren

see XT-Modul-battery_test

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