LE1025-JST (LE130XF) Back EMF DCC Decoder - Lenz USA

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Locomotive decoder LE1025 6Programming the locomotive decoder LE1025The LE1025 supports all NMRA DCC programming modes andcan be programmed by any NMRA DCC programmer. With someentry level systems only a few CVs (such as CV #1, thelocomotive address) can be set unless you use a separateprogrammer. Specific details for reading and writing the decoder’sconfiguration variables can be found in the manuals of theappropriate equipment used for programming.The configuration variables and their meaningThe following table lists the various CVs supported in the LE1025decoder. Both the NMRA DCC CV numbers and the olderRegister numbers are provided for cross reference.Please note: Some CVs (such as CV29) have specific meaningsfor each bit. The bit assignments in this table use a bit numberingscheme of 0-7 to correspond the NMRA convention for universalbit numbering. Many handhelds (such as the DIGITAL plus LH100handheld) use a scheme of 1-8 to refer to the individual bits ratherthan 0-7. (Bit 0 in this table is displayed as a"1" on LH100handheld, Bit 1 is identified as "2".) The bit numbers in () withinthese tables contain the LH100 bit numbers.Table 1: LE1025 Configuration VariablesCV Reg Description Range Factorysetting1 1 Locomotive address:This is the number with which you select alocomotive in the DIGITAL plus system.Setting the address from #1 to #3 using registermode will reset the decoder to utilize 14 speedstep operation.1-127 32 2 Start voltage:This is the voltage applied to the motor in speedstep 1. Set this value so that the locomotive juststarts moving in speed step 1.3 3 Acceleration Momentum:Determines the rate of change of speed uponacceleration. A higher value leads to a sloweracceleration.**Note: in the factory setting field the numbers in the [ ] are decimal.1-15 01-31 16
Locomotive decoder LE1025 7CV R Description Range Setting4 4 Brake Momentum:Determines the rate of change of speed uponbraking. A higher value leads to longer brakedistance.1-31 15 - Maximum speedDetermines the maximum speed that the locomotivewill move. This allows you to operate yourlocomotives in a prototypical speed range.(only active if back emf enabled)1-10 10- 5 Contains CV29 (see CV29 below) 0-55 6- 6 Page/Pointer Register:Normally this CV is not modified directly by a user.For correct operation, this CV should be set to havea value of 1 after any use.7 7 Version Number:This location stores the version number of thedecoder. This location is read only.8 8 Manufacturers Identification:Contains the manufacturer ID of the decoder,(Lenz =99). Writing a value of 33 using Register moderesets all CVs to their factory condition9 - EMF FrequencyAdjusts the pulse rate frequency for finer motorcontrol. This value also effects the minimum speed.0-127 1- 54- 990-15 1017 - Extended Address High Byte 192-231 018 - Extended Address Low ByteThe two byte address if used is contained inCV17+1819 - Consist AddressThe advanced consist address if used is stored inCV1929 5 Decoder Configuration, Byte 1:Several decoder properties are set with this byte.Changes are best done in binary mode (see theinformation for the Hand Held LH100). The detailedproperties are:bit 0(1)Locomotive direction:Locomotive’s relative direction: This bit setsthe direction the locomotive will move whentold to move forward in digital mode.0 = locomotive’s direction is normal1 = locomotive’s direction is reversed0-255 00-255 00-63 60,1 0[1]
Page 1 and 2: Locomotive decoder LE1025 1The DIGI
Page 3 and 4: Locomotive decoder LE1025 3Back EMF
Page 5: Locomotive decoder LE1025 5Step by
Page 9 and 10: Locomotive decoder LE1025 9CV Descr
Page 11 and 12: Locomotive decoder LE1025 11Creatin

LE1025-JST (LE130XF) Back EMF DCC Decoder - Lenz USA

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