Lenz DIGITAL plus LE230 Manual del propietario

Locomotive decoder LE230 1

DIGITAL plus

The DIGITAL plus locomotive decoder LE230 is suitable for all DC motors in

SScale or larger locomotives with continuous current draw of 2.5 Amps or less.

The characteristics of the decoder are:

∗Control of the motor’s rotational speed (load compensation). Regardless of

the load, the motor’s rotation speed is kept nearly constant. During extremely

slow movement (for instance through sharp curves and over a series of

turnouts), LE230 always provides the motor with enough voltage. This creates

the impression that there is actually 100 tons moving.

∗Selectable for operation with 14/27, or 28/55 speed steps.

∗Optional operation on conventional DC layouts is possible.

∗Provides 2.5A continuous motor current.

∗8switchable function outputs (includes 2 for directional lighting) that can be

connected directly or through Function Module LF200 (depending on the

current draw)+ 2 additional function outputs controllable through the LP200

auxiliary motor module.

∗Support for Advanced Consist Control and Extended Addressing

∗Support for short form programming on the main for acceleration and

deceleration trim

∗Support for all form of programming as described in NMRA RP-9.2.3

∗Programmable locomotive address, acceleration and brake momentum,

speed curve and much more.

∗Size: L 2.75" x W 1,18" x H 0.50"

L 70.0 x W 30.0 x H 12.0 mm Information

LE230

Art. No. 10230

January, 1997

2Locomotive decoder LE230

DIGITAL plus

The features of the LE230 Decoder

The LE230 has been revised and is packed with features you

expect in a high end decoder. Advanced consist control,

extended addressing, outstanding 28 step motor control, and 10

function outputs (includes two for directional headlight control)

are but a few examples. The LE230 supports all forms of

programming described in NMRA Recommended Practice 9.2.3,

including the user friendly direct CV programming mode. Also,

standard is a built in self-test procedure. The advantages of this

standardization are obvious: Every locomotive decoder responds

in the same way to changes in their properties. All new DIGITAL

plus locomotive decoders are produced according to these

NMRA DCC standards. This standardization will greatly improve

interoperability of locomotive decoders for all manufacturers.

DIGITAL plus decoders built to the NMRA standards and

recommended practices are labeled:

This prestigious label means that the NMRA has tested this

product and found that it fully complies with all NMRA DCC

Standards, Recommended Practices and industry norms.

Many characteristics of the LE230 decoder can be programmed

to customize the decoder to its locomotive. For example, you

can operate the decoder with the factory pre-set speed table or

generate your own. You can set which end of the locomotive is

the forward end. You can even decide whether or not you want

to be able to operate on conventional DC layouts.

Please read “The Configuration Variables and Their Meanings”

section later in this booklet for details on the configuration

variables supported by the LE230. There you will find much

more information regarding the features and their respective

settings.

Locomotive decoder LE230 3

DIGITAL plus

Back EMF Control

The LE230 uses a form of motor control called "back emf"

control. All DC motors produce a small amount of current when

they are rotating. The amount of current produced is a function

of the load that the motor is controlling. The LE230 measures

this current and is able to adjust the current to the motor based

upon the motor load. The result is exceptionally fine motor

control that is extremely smooth and quiet.

The LE230 employs the finest motor control possible. It is

suitable for all forms of motors.

Important considerations for LE230 use

The LE230 is designed for a maximum voltage of 26V for safety

reasons. It must not be operated with higher voltages as higher

voltages can result in destroying the decoder.

The LE230 can be safely used without any restrictions with any

NMRA DCC command station/power station that displays the

NMRA conformance seal. Before using the LE230 with other

DCC systems please verify the maximum voltage output from

the operation manuals or from the manufacturer.

Conventional operation, i.e. operation using a

model railroad transformer/power pack:

Several Large Scale transformers put out voltages that exceed

the 26 volt maximum. Before operating the LE230 in analog

mode determine that the output voltage of the transformer/power

pack does not exceed 26V. On model railroad transformers, the

effective output voltage is often indicated. This is not the

maximum voltage!

You can find the maximum voltage by multiplying the stated

effective voltage with a factor of 1.4:

Example:

The transformer lists the voltage (effective voltage) as: 16V. The

maximum voltage: 16V x 1.4 = 22.4V.This means that the

LE230

4Locomotive decoder LE230

DIGITAL plus

can be safely operated with this transformer. Normally 18V is the

highest allowed effective transformer voltage:

26V / 1.4 = 18V

Operation with an electronic controller:

For electronic controllers, you cannot determine the maximum

output voltage through a simple formula. It is simply not enough

to use the maximum output voltage of the transformer that

supplies the electronic train controller! Contact the manufacturer

if you do not find any indications in the operation manual.

Preparing to Install the LE230

The locomotive must be tested for excellent operation on normal

DC power before installing the decoder. Replace worn out motor

brushes and burned out light bulbs. Clean any dirt or oxidation

from the wheels and pickups, and make sure that electrical

contact is smooth. Now is also a good time to lubricate your

locomotive. Only a locomotive in great mechanical condition can

take maximum advantage of the LE230 decoder.

Make note of which motor lead goes to the right rail wiper and

which goes to the left. During installation of the Locomotive

Decoder, this will save you trial and errors to find which screw

terminal on the decoder needs to connect to which motor lead, in

order to set the correct direction of travel.

Notes on current load of the Decoder outputs:

The outputs of LE230 may be subjected to the following loads:

•Motor: 2.5A

•Light front/rear 0.3A

•F1: 0.5A

•F2-F6: 0.1A

•F7-F8 (refer to the LP200 manual)

All outputs of the Decoder are supplied by an internal rectifier

circuit that allows a maximum total current flow of 2.5A.

Accordingly the sum total of all current flowing to motor and

function outputs must never be greater than this maximum

allowable total current. Each individual output must only be

subjected to its own allowable maximum current.

Locomotive decoder LE230 5

DIGITAL plus

Mathematically the sum of all the maximum currents is greater

than the allowable total current of 2.5A – this in order to allow

customized use of the decoder –, but even so this value must

never be surpassed in continued operation.

An example:

You need a motor output current of 1.5A for the operation of the

motor. You now calculate the current left available for the

function outputs by deducting the motor current from the total

current. In this case, there will only be 1.0A left for the functions.

If you now connect a lamp drawing 100mA to each of the two

outputs of the directional light function, then you have another

0.9A available for the other functions. If this is not enough for the

intended use, the you can use one or more Function Module

LF200. This module then provides you with isolated relay

contacts for switching the functions.

Installation Considerations

LE230 is equipped with numerous safety circuits, however no

part of the decoder may touch any metal part of the frame or

locomotive shell at any time. If they do, there will be a short

circuit inside the Locomotive Decoder and it will be destroyed.

Do not however wrap the Decoder in insulating tape, since

this will hinder the needed air circulation around the decoder.

Instead stick insulating tape, or similar, onto the metal parts of

the locomotive. This way you can prevent undesired short

circuits, without ‘choking’ the Decoder.

The motor connections must the isolated after removing the

previous wires. That means that there must be no connection to

the frame or wheels (wheel wipers) any longer. Also note that

such connections occasionally can happen when replacing

the shell onto the frame!

Locomotives equipped with LE230 must not be operated via

overhead wire (catenary) on 2 rail layouts, since the locomotive

can get twice the applied voltage if put on the track in the wrong

direction.

Plug-in terminal row S2 is intended exclusively for connection of

Power Module LP200. Power Module LP200 is used to control

additional motors whose total current needs exceed the current

6Locomotive decoder LE230

DIGITAL plus

limits of the LE230. There must not be any other connections

created to the motor, track, or other terminals on Locomotive

Decoder LE230.

The different installation options

For connecting Locomotive Decoder LE230 there are several

options, all depending on if you intend to connect the functions in

the locomotive (as shown in illustration 1) with their common

lead connected to a rail wiper, or (as in illustration 2) isolated

(isolated from contact with wheel wipers and frame/shell). A

mixture of both connection methods is also possible, for

instance: the light bulbs of the front lighting can be connected to

a wheel wiper, and other functions can be set up to be isolated.

When using LF200, please consult the information included with

it for installation details.

If the light bulbs of the headlights are isolated and connected

according to illustration 2, they will light up a little brighter than

when connected according to illustration 1. In addition, the

directional lights will then also work in conventional DC operation

Which of the methods you use, largely part depends on how the

locomotive is constructed.

Step by step: Installation and Testing

∗First connect the Locomotive Decoder to the wheel wipers:

∗Terminal G1 to the right wheel wiper (in direction of travel).

∗Terminal G2 to the left wheel wiper (in direction of travel).

Then connect the decoder with the motor leads:

∗Terminal M1 to the motor lead that earlier was connected

to the right wheel wipers.

∗Terminal M2 to the motor lead that earlier was connected

to the left wheel wipers.

Now you connect the lights:

∗Terminal L1 to the front lights (in direction of travel). If the

lamp is isolated, then connect terminal U+ with the other

lamp lead.

Locomotive decoder LE230 7

DIGITAL plus

∗Terminal L2 to the rear lights (in direction of travel). If the

lamp is isolated, then connect terminal U+ with the other

lamp lead.

Now put the locomotive (without putting on the shell) on the

programming track, and read out the address. From the factory

the decoder is programmed to address 03. If you have

connected the decoder properly so far, you should now be able

to read out the address. If that is not the case, then you may

have made a mistake in wiring. The decoder will help you in

tracking it down.

Figure 1: Wiring the LE230 using track voltage common

With the self-test turned on (factory default, bit 2 in CV60 is ‘1’),

the decoder is able to determine the following wiring problems on

the programming track:

∗Prohibited connection of a motor lead with the track.

∗Short circuit of the directionally switched light output to the

track.

If a problem of this kind is present, then the decoder cannot be

read out. On the Hand Held Controller you get the display

“ERR02”.

In that case, proceed as follows:

First turn off the decoder self-test by clearing bit 2 in CV60 (see

the section “Programming the Locomotive Decoder”).

8Locomotive decoder LE230

DIGITAL plus

Read out CV30. In this CV (when the self-test is on) the type of

problem is stored as the corresponding bits. From the table

“Determining the settings of the Locomotive Decoders in CVs”

you can read which bit shows which problem.

Now again remove the locomotive from the track, correct the

problem as needed and test it again. First clear the bits in CV30

that showed you the problem, and then turn on the self-test in

CV60 again.

Connecting additional functions:

You connect additional functions using wires to the 8-pin

terminal strip S1. The correct plug, with attached wires, is

included. You can connect the additional functions either directly

to the wires, or if the maximum current load of the outputs is

exceeded, via Function Module LF200.

∗To the yellow wire you connect the function that you want

to turn on and off with key ‘1’ on Hand Held Controller

LH100 or key ‘1’ on Arnold/Märklin control 80.

∗To the white wire, connect the function that you want to

turn on and off with key ‘2’ on the Hand Held Controller.

∗To the black wire, connect the function that you want to

turn on and off with key ‘3’ on the Hand Held Controller.

∗To the red wire, connect the function that you want to turn

on and off with key ‘4’ on the Hand Held Controller.

∗To the gray wire, connect the function that you want to

turn on and off with key ‘5’ on the Hand Held Controller.

∗To the orange wire, connect the function that you want to

turn on and off with key ‘6’ on the Hand Held Controller.

∗The green wire is a power ground. This wire should be

used with extreme caution and is only intended for use

with devices that require it..

If the functions and/or lamps are isolated in the locomotive, then

you can connect the blue wire to the common connection for the

functions. After this wiring, you can program the locomotive to

the desired address and start your trial run.

Locomotive decoder LE230 9

DIGITAL plus

Connecting Slave Motor Driver LP200

The plug-in terminal row S2 is intended for this. The wire colors

are assigned as follows:

blue U+

red T

yellow S

green R

Two additional wires are provided for controlling F7 and F8. For

detailed information on installation and wiring, please refer to the

operation manual for the LP200.

Programming the locomotive decoder LE230

Locomotive address, acceleration and brake momentum and all

other properties of the decoder can be changed as often as

desired. This process is called programming.

The properties will be saved in non-volatile memory locations on

the locomotive decoder. The values will be permanently saved,

even after disconnecting the operating voltage. These memory

locations are called "Configuration Variables, or CVs" by the

NMRA. The LE230 has a total of 128 CVs. Not all of them are

used at this time as many are reserved for future use.

The reading and writing of these values is done electronically,

the locomotive does not need to be opened after initial

installation of the decoder to read of later modify any CV value.

Any NMRA DCC Command Station, such as the DIGITAL plus

LZ100 and a Hand Held LH100 or an Interface LI100, can be

used to program the locomotive decoder LE230. With older

command stations (including Arnold or Märklin) the decoder

supports index mode, a special form of register mode which

allows you to easily address all the CVs. Using the Arnold

Commander 6, or the ROCO 'DIGITAL is cool' command station,

only register 1 (locomotive address) can be set. Many other

DCC command stations support paged programming. The

LE230 supports this mode as well. Details for reading and writing

the decoder’s configuration variables can be found in the

manuals of the appropriate equipment.

10 Locomotive decoder LE230

DIGITAL plus

The configuration variables and their meaning

The new line of Lenz advanced decoders, version 5.1, support a

full range of features which are set up using a variety of

configuration variables. All the configuration variables are

numbered. These numbers are used during programming and

are identical for all decoders that conform to the NMRA

standards independent of the manufacturer. The following table

lists the various CVs supported in the LE230 decoder. Both the

New CV numbers and the older Register numbers are provided

for cross reference.

Please note: Some CVs (such as CV29) have specific meanings

for each bit. The bit assignments in this table use a bit

numbering scheme of 1-8 to correspond to the 1-8 display on

DIGITAL plus systems. Many other systems use a scheme of 0-

7 to refer to the individual bits. If you are using such a system

you should subtract one from all bit numbers described in these

CVs.

Table 1: LE230 Configuration Variables

CV R

Description Range Factory

setting

1 1 Locomotive address:

This is the number with which you select a locomotive in

the DIGITAL plus system.

1-127 3

2 2 Start voltage:

This is the voltage applied to the motor in speed step 1.

Set this value so that the locomotive just starts moving in

speed step 1.

1-15 1

3 3 Acceleration Momentum:

Determines the rate of change of speed upon acceleration.

A higher value leads to a slower acceleration.

1-31 1

4 4 Brake Momentum:

Determines the rate of change of speed upon braking. A

higher value leads to longer brake distance.

1-31 1

5-Maximum speed

Determines the maximum speed that the locomotive will

move. This allows you to operate your locomotives in a

prototypical speed range.

1-10 10

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