5
Programming with a Märklin Center
With a Märklin center all CVs can be programmed, but not read.
Note: Before programming, the crane trolley must be driven into the center of the gantry.
1. Switch Center off and on.
2. Select the address of the decoder and switch the light on.
3.
Change the direction of travel 5 times in quick succession, until the motor jerks briefly.
4. Set the speed controller to "zero".
5. Enter the number of the CV that is to be programmed.
6. Briefly operate the
reversing switch. The motor jerks briefly.
7. Enter the desired value for CV e.g. a locomotive address.
8.
Briefly operate reversing switch. The motor jerks briefly
.
If further CVs are to be programmed repeat points 5-8.
If programming is to be terminated switch the center to "STOP" or set the address to "80" and briefly
operate the eversing switch.
Note: Since a Motorola digital center from Märklin only accepts inputs of 01 to 80, the value "0" must
be entered by entering the address as "80".
Page-Register for inputting CV-Numbers greater than 79
CV addresses larger than 79 can only be programmed with the help of the page register, CV66. If
CV66 has a value higher than 0, then the contents of CV66 times 64 will be added to every address
entered. The entered value must lie in the range 1 to 64.
When leaving the Motorola programming mode, the page register (CV66) is automatically reset to
zero.
Offset-Register for entering CV values greater than 79
CV values larger than 79 can only be programmed with the help of the offset register. The offset
register is CV65. If CV65 contains a value > 0, then all the following programmed values are
calculated by multiplying the contents of CV65 by 4 and adding the result to the entered value.
When leaving the Motorola programming mode the offset register (CV65) is automatically reset to
zero.
Example
CV49 is to be programmed with a value of 131, then CV65 must first be programmed with the value of 25.
Subsequently, CV49 can be programmed with a value of 31. The decoder places the value 4 * 25 + 31 into
CV49.
Note: When programming CV65 and CV66 the contents of the offset and page registers have no
effect.
