ZIMO MXULFA User manual

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 1
INSTRUCTION MANUAL
MXULFA
Decoder Update and Sound loading device
MXULFA
and:
Test- and Connection Board MXTAPS, MXTAPV
As well as MSTAPK, MSTAPG
MXTAPK
1. MXULFA Features ............................................................................................................................ 2
2. Technical Data .................................................................................................................................. 2
3. The USB stick for use with MXULFA................................................................................................ 2
4. Switching on the MXULFA and connecting a decoder .................................................................... 2
5. Self-update of the MXULF or MXULFA ............................................................................................ 4
6. Decoder software and sound from USB stick .................................................................................. 4
7. Decoder software and sound from computer ................................................................................... 6
8. Synchronous update for accessory decoders MX820, MX821 ....................................................... 7
9. Driving operation with MXULFA ....................................................................................................... 7
10. Programming/ reading CVs SERV PROG / OP PROG .................................................................. 8
11. Read / program load code ................................................................................................................ 8
12. Decoder-connection board MXTAPS / V .......................................................................................... 9
13. the decoder connection boards MSTAPK resp. -G ........................................................................ 11
Annex: Declaration of Conformity and Warranty ....................................................................................... 13
.
EDITIONS:
First delivery in December 2011 - 2011 12 20
until April 2012
SW add-on 2 –- SW version 0.22 – 2012 11 10
SW add-on 3 –- SW version 0.32 – 2012 12 20
SW add-on 4 –- SW version 0.40 – 2013 03 12
SW add-on 5 –- SW version 0.50 – 2013 08 20
0.56.03 - 2013 11 20
2014 03 13
Dortmund 2014 edition 2014 04 06
SW version 0.61 --- 2014 05 20
2014 10 10
2015 01 22
SW add-on 6 - 2015 07 05
2015 08 24
2015 11 25
2016 03 11
SW add-on 0.70 - 2016 08 01
2016 08 18
2016 09 01
SW version 0.85 - 2020 01 20
Addition MS - 2020 02 20
2020 06 01
2020 07 30
2022 06 30

Page 2 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
1. MXULFA Features
The MXULFA has the following tasks and capabilities:
- Software update of all ZIMO decoders of the generations MX... and MS..., either from USB stick or from
computer (programs ZSP, ZCS), in case of MS... only without PC.
- Loading of sound projects into all ZIMO decoders of the generations MX... and MS...,
either from USB stick or from computer (programs ZSP, ZCS),
optionally via rail (decoder built into locomotive) or via SUSI interface (1/10 time requirement).
- Special measures such as "Power Cycle Update" for cases where MS decoders have been "software de-
stroyed" by malfunctions during the normal update process or by other means.
- Simultaneous sound loading of several decoders via SUSI interfaces connected in parallel (via several
MXTAP or MSTAP boards, or special multi-update boards for applications in series production).
- CV programming and CV reading,
optionally in OP MODE (Operational Mode, POM) or SERV MODE (by type of programming track),
with simplified display for decoder ID reading and load code writing.
- Testing decoders or vehicles, mostly after software update or loading of a sound project: Driving operation
and switching of functions via control elements and display of the MXULFA, also test operation in the
context of repair work; however, the MXULFA is NOT a replacement for a digital command station.
- Interaction with the test and connection boards MXTAP.. to MSTAP.. where decoders with standard inter-
faces (PluX, MTC, Next, NEM651, NEM652) are plugged in or wired decoders are connected to terminals
and tested (by means of motor, loudspeaker, function LEDs, etc. installed there).
- Self-update of the MXULFA via USB stick.
- Synchronous update (loading software parallelly) for accessory decoders MX820, MX821
- Operation of MXULF via the USB device interface (alternative to flash drive). Software updates, sound
loading, configuration of and testing decoders from the computer via programs like ZCS, PfuSch and
TrainProgrammer enable comprehensive and comfortable possibilities to improve ZIMO decoders,
also, and especially, for larger fleets.
2. Technical Data
Supply voltage at input “Power” .. 12 - 20 V DC (power supply unit or rail current from digital command sta-
tion) or 10 - 16 V AC (in case of problems: use DC!)
for software update and loading sound of large-scale decoders …….. …..…… min. 16 V DC!
Maximum supply on output “Schiene” (track) (stabilized to 12 V) ........................................ 2 A
Dimensions (L x W x H) …... 125 x 65 x 12 mm
3. The USB stick for use with MXULFA
A USB stick compatible with the MXULFA is used as a data carrier when updating the decoder and loading
sound projects; alternatively, however, these tasks can also be performed without a USB stick, directly from
the computer (via USB cable).
The self-update of the MXULFA is only possible with the help of a USB stick on the MXULFA.
A "ZIMO USB stick" is included with each MXULFA; however, other sticks can also be used.
If a USB stick does not (or no longer) work with MXULFA (this will be more often the case with third-party
sticks), the USB stick must be reformatted to "FAT32" on the computer (see Windows ...).
On the USB stick (root directory) are stored (in connection with MXULFA):
• If a self-update of the MXULFA is to be made:
from the ZIMO website (www.zimo.at) under Update & Sound / Decoder Update Device MXULF,
from a (usually the latest) .zip file of the type (example) MXULF_ver_0_83_55.zip
the unzipped files MXULF.ulf and MXULF.bin (these files have the same name in all versions).
• If a decoder software update (for one decoder or for several decoders) is to be executed:
from the ZIMO website (www.zimo.at) under Update & Sound / Update - MS decoder or Update - MX de-
coder, from a .zip file (usually the latest one containing the decoder group in question) of the type
MS_4_202.zip
the unzipped file (single file in the .zip) of the type MS_4_202.zsu: the so-called decoder software col-
lection file.
The term "collection file" means that new software versions are included for a variety of decoder types;
in the above example for all MS sound decoders (but not for MX decoders); there may also be collection
files for MX and MS decoders on the website, as well as collection files for subsets (e.g. MX non-sound
decoders). During the update process, MXULFA and decoder ensure that the correct update file is ap-
plied.
• When a sound project is to be loaded:
from the ZIMO website (www.zimo.at) under Update & Sound / ZIMO Sound Database
the desired ready-to-use sound project of the type (example) OeBB_16-KkStB310_ZIMO_8Bit_S01.zpp
The above-mentioned files can be mixed and stored in any number on the USB stick (root), i.e. several
.zsu files together with several .zpp files. However, a selection must then be made directly on the
MXULFA before the actual update or loading process; see the following descriptions
4. Switching on the MXULFA and connecting a decoder
• "Power": Connect power supply unit or transformer according to
technical data, preferably the one supplied, to the MXULF.
→ LED „Power“ green.
The display shows "MXULF", the hardware revision (e.g. "E" or
"E+"; + stands for the optimized RailCom-detector hardware, no
matter if originally installed or by subsequent upgrade, which is of-
fered in 2021/22);
Software version, voltage on rail, max. current.
Connect rail to MXULFA, decoder to rail,
OR: Connect connection board MSTAP, MXTAP, etc. , plug in/connect decoder there.
→ LED „rail“ yellow..
NOTE: Due to ongoing development of the MXULF software, there are sometimes slight differences
between the operating instructions and the actual behavior of the MXULF; in particular, display rep-
resentations sometimes anticipate planned software versions.
NOTE: in case of a (chargeable) "coded" sound project, a "load code" must be programmed into the decoder
in question before the actual sound loading process. See Info under ZIMO Sound Database.

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 3

Page 4 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
The decoder update starts ...
5. Self-update of the MXULF or MXULFA
• Download new MXULF software from www.zimo.at - Update & Sound - Decoder update device MXULF as
.zip file; unzip the .zip file, save the two resulting actual update files MXULF.ulf and MXULF.bin in the
root directory of the USB stick. For this you can use the ZIMO USB stick enclosed with the device
(which is already correctly formatted), or any other USB stick; see chapter "USB stick for use with
MXULFA".
In the main directory (root) of the USB stick other files may be stored at the same time (especially update
or sound files for decoders); for reasons of clarity and reliability files of any kind and in large numbers
should not be present on the stick.
Tip for first time users: only the necessary files on the USB stick (root), in this case MXULF.ulf and MXULF-bin.
• Prepare MXULFA: Disconnect all connections, reconnect ""Power" (included power supply unit or rail
output of a digital control center) → LED "Power" green.
• Insert USB stick prepared above
→ LED 3 flashes red-green-yellow (if correct files,
i.e. .ulf and .bin, are found on the USB stick).
• Key 3 (long, 3 sec) → Self-update starts
• Wait for message "Booting ... CRC OK".
CRC OK" may appear instead!
• Key 3 → to acknowledge,
MXULF resets and shows startup screen if automatic reset
does not work: Disconnect "Power" terminal briefly.
6. Decoder software and sound from USB stick
The "standard procedures" include: Decoder software update and sound project load
single (or several in a row) ZIMO decoder of the generations MX... and MS...,
either on rail (mostly decoder built into loco) or connected to MXTAP.., MSTAP,
optionally via rail protocol (in loco or ...TAP.. ) or (sound only) SUSI interface (1/10 time requirement).
Decoder software update via the rail with decoder software collection file on the USB stick.
Decoder installed in locomotive or connected to a test and connection board MXTAP..., MSTAP ...
• Prepare USB stick: download a suitable (containing the relevant decoder type; possibly for MS and
MX separately) decoder SW collection file from www.zimo.at - Update & Sound - Update MS decoder or
Update MX decoder, unpack it and save it in the root directory of the USB stick (.zsu file).
Tip for first time users: only this one file on the USB stick (root), delete all others (especially older .zsu versions)
• Prepare MXULFA: Connect "Power" (power supply or
power source according to the technical data) to the
MXULF;
→ Start screen on display → LED "Power" green.
Sequence of the following two steps as desired:
• Connect rail to MXULFA, vehicle (with decoder)
on rail (only vehicle, only decoder)
OR: Connect MSTAP.. or MXTAP.. board (with decoder plugged in
or connected decoder) to MXULFA (rail)
→ Second line: "Decoder ready" or decoder type (display
dependent on MXULF-SW version; sequence not de-
pendent).
• Insert prepared (described above) USB stick,
Three variants of the further process depending on the stick
content:
1. if single decoder SW collection file (.zsu file):
→ First line: Name of this file → LED „1“ yellow
Key 1 → Start decoder software update
2. if single sound project on the stick (.zpp file):
→ First line: Name of this file → LED „2“ yellow
Key 2 → Starting decoder sound loading
see next chapter
3. if there are several files on the stick (.zsu and/or .zpp)
→ First line: → LED „1 and/or LED „2“ yellow
Note on keys - selection of the further operation
Key 1 → to the list of decoder SW collection files (.zsu)
Key 2 → to the list of sound projects (.zpp files)
Scroll (scroll wheel) in respective list; cursor on selected
file, depending on whether .zsu or .zpp:
Key 1 → Starting the decoder software update
Key 2 → Starting the decoder sound loading
see next chapter
Decoder software update in progress, with logging of the
most important steps (clear memory), progress display in %.
When 100% is reached: Remove the vehicle from the track,
and - if desired - connect/set up another decoder,
Key 1 → Start decoder update with identical .zsu file
NOTE: Especially in times of market introduction of new decoder types or generations, frequent up-
dating of the MXULFA's own software is practical or even necessary.
It is impossible in practice to keep a correct documentation of which decoder in which version is com-
patible with which software of the MXULFA; therefore, it must be recommended to update the
MXULFA itself at the latest in case of problems.
NOTE: Key 1 and key 2 lead into the areas of the
decoder software update or the sound loading, if
suitable files (.zsu or .zpp) are stored on the stick.
 For the self-update, only the power supply (at
terminal "Power" of the MXULFA) must be con-
nected, and a USB stick with the correct files for the
update must be inserted.
Typical arrangement for 
software update and/or sound
loading via " rail "; Decoder installed
in locomotive, locomotive on "up-
date track", power supply from
power supply unit via terminal
"Power", USB stick with the correct
files for update and/or sound load-
ing inserted. 

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 5
Decoder sound loading over the rail with sound project on USB stick
Decoder installed in locomotive or connected to a test and connection board MXTAP, MSTAP...
• Prepare USB-Stick: Download the sound project from www.zimo.at / Update & Sound / ZIMO Sound Data-
base and save it in the root directory of the USB stick (.zpp file), or multiple .zpp.
Note: in the case of a (chargeable) "coded" sound project, a "load code" must be programmed into the decoder in question
before the actual sound loading process. See info under ZIMO Sound Database.
• Prepare MXULFA: Connect "Power" (power supply or power
source according to the technical data) to the MXULF;
→ Start screen on the display → LED „Power“ green.
Sequence of the following two steps as desired:
• Connect rail to MXULFA, vehicle (with decoder) on rail (only
vehicle, only decoder)
OR: Connect MSTAP.. or MXTAP.. board (with decoder
plugged in or connected decoder) to MXULFA (rail)
→ second line "Decoder ready" or decoder type (display
depends on MXULF-SW version; sequence not dependent).
• Insert USB stick (as prepared above) into USB socket
Three variants of the further process depending on the stick
content:
1. If single decoder SW collection file, i.e. .zsu file:
→ First line: Name of this file → LED „1“ yellow
Key 1 → Start Decoder-Software-Update
see previous chapter
2. If a single sound project on the stick, so .zpp file:
→ First Line: Name of this file → LED „2“ yellow
Key 2 → Start decoder sound loading
3. If multiple files on the stick (.zsu and/or .zpp)
→ First line: → LED „1 and/or LED „2“ yellow
Note on keys - selection of further operation
Key 1 → to the list of decoder SW collection files (.zsu)
Key 2 → to the list of sound projects (.zpp files)
Scroll (scroll wheel) in respective list; cursor on
selected file, depending on whether .zsu or .zpp:
Key 1 → Start decoder software update, resp.
Key 2 → Start decoder sound loading
• Loading of the sound project is running, with logging of the
most important steps (clear memory, etc.), progress display in %,
for sound loading also time prognosis in min.
When 100% is reached: remove the vehicle from the rail, and - if desired - connect/set up other decoder,
Key 2 → Start identical sound project (.zpp) file.
Decoder sound loading via SUSI interface with sound project on USB stick SUSI plug or
solder pads directly to decoder or decoder plugged to test-and-connect board
SUSI loading is the fast alternative (approx. factor 10 compared to rail) for decoders which are NOT in-
stalled. Normally the slots (PluX, MTC, Next18, ...) on a test and connection board MXTAP or MSTAP are
used for contacting; but with wired decoders (also with NEM-651 or -652) wires have to be soldered to the
SUSI pads.
• Prepare USB stick (same as for sound loading via rail):
download the desired sound project from www.zimo.at - Update & Sound - ZIMO Sound Database and
save it in the root directory of the USB stick (.zpp file), or several .zpp. files.
NOTE: in case of a (chargeable) "coded" sound project, a "load code" must be programmed into the de-
coder in question before the actual sound loading process. See info under ZIMO Sound Database.
• Prepare MXULFA (same as for sound loading via
rail), if not already switched on:
Connect "Power" (power supply unit, ...) to MXULF
→ LED „Power“ green.
• Connect connection board (MXTAP.. or MSTAP..) by SUSI cable (i.e. SUSI connector on MXULFA to
SUSI connector on MSTAP.. or MXTAP.. board), but NOT "rail".
• Connect the decoder to a suitable interface (PluX, MTC, Next18, ... socket strip for large-scale decod-
ers) on MSTAP... or MXTAP..., or, in case of a wired decoder, connect SUSI pads with soldered wires
to SUSI pins on MSTAP... or MXTAP....
• Insert USB stick (as prepared above) into USB socket
• R key (long, approx. 3 sec)→ opens the menu.
Scroll (scroll wheel) to "SUSI SOUND Load”
Two variants depending on stick content:
if single sound project on the stick (.zpp file):
R-Key → Start decoder sound loading
2. When multiple sound projects on the stick:
List of sound projects
Scroll (scroll wheel) in list of sound projects,
cursor on selected project.
R-Key → Start decoder sound loading
• Loading of the sound project runs, with logging of the
most important steps (clearing memory, etc.), progress
display in %, time estimate for completion
in min.
• When 100% is reached: Remove vehicle from rail, and - if desired - connect another decoder,
R-Key → Start identical sound project
MX decoder only: During update or sound loading the update lock is automatically deactivated.
(CV #144 = 0) and analog operation is disabled (CV #29, bit 2 = 0). After finishing the process
MXULFA tries to set the CVs back to the original values (this may fail!).
Typical arrangement for software update
and/or sound loading via "rail"; decoder is
located in the matching slot of a test and
connection board (..TAP.., in the picture be-
low MSTAPK); only connection between
MXULF - "rail".
 and ...TAP... - "rail" necessary.
Typical arrangement for sound loading via "SUSI": De-
coder is located in the appropriate slot of a ..TAP., -
board (in the picture MXTAP); only SUSI cable ("rail"
must not be connected).
NOTE: if decoder installed in locomotive,
 only possible if SUSI connector is accessible.

Page 6 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
7. Decoder software and sound from computer
The same things that are loaded from the USB stick into the decoder (see previous chapter) can also
come directly from the computer (via the programs ZSP and ZSC in different ways and to different ex-
tents depending on the expansion state of the programs). In contrast to the use of the USB stick, the de-
coder software update and the sound project loading from the computer are not operated on the
MXULFA itself (but on the computer), which therefore only shows the number of received and sent data
on the display.
So this is also about the "standard procedures" for
single ZIMO decoders of the generations MX... and MS...,
either on rail (decoder built into loco) or connected to MXTAP..., MSTAP...,
optionally via rail protocol (in loco or MXTAP ... or SUSI interface (1/10 time requirement).
• Prepare MXULFA (same as for USB stick operation), if not
already switched on:
Connect "Power" (power supply unit, ...) to MXULF.
→ LED „Power“ green.
• Execution of the software (ZSP, ZCS, or possibly also
other programs); display of the MXULFA logs the data
traffic.
ZSP ZSP (creation of sound projects, decoder update, sound loading):
in the above picture the recordings during software update of a sound decoder MX645; MXULF is
recognized as MX31ZL (because MXULF behaves the same way).
ZCS („ZIMO CV Setting“, by Matthias Manhart, http://www.beathis.ch/zcs/index.html):
Comfortable tool for decoder configuration with a number of setting windows, especially for modifying
sound projects and also for adjusting in real time, i.e. the parameters are modified directly during driving
and take effect immediately. 
ATTENTION: the self-update of the MXULFA is NOT possible from the computer (only via USB stick).
The same arrangements as when using the
USB stick, except that the USB cable to the
computer is used instead of the USB stick.


Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 7
8. Synchronous update for accessory decoders MX820, MX821
This method removes a problem especially known with large-scale layouts: decoders built-in to turnout
casings (e.g. LGB) have to be removed and connected individually to a decoder-update-device to load an
update.
Using the synchronous update, the decoders can stay on the layout, the decoder-update-device MXULFA
is connected instead of the digital command station and sends the new software to all accessory decod-
ers. Every single accessory decoder then has the possibility to request a repetition by negative acknowl-
edgements, until all decoders have the update installed. Vehicles can usually stay on the tracks during
this procedure.
 . .  Menu after pressing and holding the R-key
. UPDATE & SOUND. (display only shows 2 lines,
LOCO . other lines can be reached by scrolling).
 SYNC UPDATE . reach menu item SYNC UPDATE by scrolling,
. OP PROG . start by shortly pressing the R-key
. OP PROG ID+LD .
SERV PROG .
SERV PR ID+LD .
First, all accessory decoders on the layout (suitable for the synchronous update) are located and its num-
ber is displayed, sorted by decoder family.
This list of decoder families stays on the display during the whole updating procedure; every line shows
the current procedures for the corresponding family.
First decoder family is searched for, found number is displayed → . MX820 SEARCH 3 .
.
Search complete; marked to show that search is complete → ◼ MX820 FOUND 7 .
.
The next decoder family (MX821) is searched automatically → ◼ MX820 FOUND 7 .
MX821 SEARCH 2 .
Search finished → ◼ MX820 FOUND 7 .
◼ MX821 FOUND 5 .
I.e. all lines with a completed search are marked.
Starting updates: Briefly press R-key → Starts update for all families
or after 10 sec timeout → (also) starts update for all families
or scroll to a line and briefly press R-key
→ Starts software update for the selected decoder family
(all other marks are deleted)
Progress is shown → ◼ MX820 SY-UP 68%.
(Mark flashes during the update, % rises) ◼ MX821 FOUND 5 .
Update complete (number, in brackets number FOUND) is displayed → . MX820 OK 6( 7) .
(Mark is deleted only in the corresponding line) ◼ MX821 FOUND 7 .
press and hold R-key: Exits the synchronous update, returns to menu.
9. Driving operation with MXULFA
The MXULFA is also a small command station with max. 2A This allows test drives to be completed after
sound loading or CV programming. You can only drive with the MXULFA (version with display).
Operation Display on Display (EXAMPLES)
… after powering on the MXULFA → .MXULF,E SW 0.22 .
Display of track voltage (limited to about 12 V) .11.6 Vout ..
Menu after pressing and holding the R-key (3 sec)
Menu item LOCO either pre-selected or reached by scrolling to LOCO,
selection by pressing the R-key
After selection by R-key, driving operation is prepared → . LOCO read CVs.
Address and important CVs (#1, #29, #17, #18, #7, #8, ...) are read .CV 18 = 184 .
Sound and lighting is activated automatically after reading CV values.
Address, type (e.g. MX645), SW version are displayed → .LOCO Adr 3217 .
MX645 SW 32.00 .
or (non-ZIMO) name of Manufacturer ID or: value of CV #8 → .LOCO Adr 3217.
(at third-party manufacturers only CV #7 is shown as SW version) Hst xxx SW 32 .
or (if it cannot be read-out) .LOCO reading CV .
not possible .
Move speed regulator (scrolling wheel) or direction key → .before 57 Adr 3217 .
.F0, F1, F2 = 1,1,0 .
Permanently displayed: Direction of travel (For, Rev), speed step,
current function-trio F0, F1, F2; those functions are activated with buttons 1, 2, 3
(press and HOLD button 2 or 3: Switch to F3, F4, F5 or F6, F7, F8)
direction key while driving (=fast stop) → .STOPP .
.F6, F7, F8 = 0,0,1 .
direction key at standstill (=change of direction) → .Rev 0 Adr 3217 .
.F0, F1, F2 = 1,1,0 .
Press and HOLD button 1, 2 or 3: switch function-trio → .Rev 0 Adr 3217 .
to each F0, F1, F2 or. F3, F4, F5 or. F6, F7, F8 e.g.: key 2 .F3, F4, F5 = 0,0,0 .
press and hold R-key: Exits the driving operation, returns to menu.
ATTENTION: the MXULFA, or the power supply connected, is limited in its efficiency. The current draw
of connected consumers (including vehicles which are placed on the layout) as well as the inrush-cur-
rent at power-up can lead to a shut-down due to a short circuit.
NOTE: the searching process can take up to 2 seconds per decoder.
back
 LOCO
OP PROG
OP PROG ID+LD

Page 8 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
10. Programming/ reading CVs SERV PROG / OP PROG
The MXULFA not only is a module too update ZIMO decoders, but also to read-out and program CVs.
The MXULFA provides two ways of communication with the decoder:
- PROGramming on the SERVice track: the decoder connected to “Schiene” responds with motor pulses
to requests by the MXULFA. This method is slow, but in many cases effective.
- OPerational PROGramming: more than one decoder can be connected to “Schiene”, but only the de-
coder selected by its address will respond to the MXULFA’s request. This method is also called PoM (Pro-
gramming on the Main).
To activate one of the programming modes, press and hold the R-key (3 sec) to open the menu, scroll to
“SERV PROG” or “OP PROG” and press the R-key to change to the programming method.
SERV PROG
SERV PROG After selection by R-key: Wait to enter CV number
CV .
SERV PROG enter CV number with scrolling wheel, R-key
CV 122 = .
SERV PROG enter CV value with scrolling wheel, R-key, ack. by motor current-
CV 122 =136 ACK . . Feedback by sending „ACK“
SERV PROG enter CV value with scrolling wheel, but programming
CV 122 =136 NACK . failed, therefore „NACK“
SERV PROG or again R-key to read out, value is displayed with “READ“
CV 122 = 0 READ .
SERV PROG or again R-key to read out, but doesn’t work
CV 122 = N-RD . feedback „N-RD“ (= „No Read“).
CV 122 =136 ACK . program or read further CVs
CV . “old” line moves up
CV 122 =136 ACK .
CV 123 = .
Press and hold R-key: return to menu.
OP PROG
OP PROG After selection by R-key: Wait to enter address (with scrolling
Address = 0 . wheel). It is possible to have more than one decoder on the (programming)
track / output
“Schiene”, only the one addressed is talked to.
OP PROG Further procedures like in SERV PROG, but faster, with the
CV 122 = 136 ACK . same feedback (ACK, NACK, READ, N-RD), and additionally
„SENT“ (i.e. CV programming complete but not acknowledged).
11. Read / program load code
The load code for sound projects is one of ZIMOs specialties, which originates in a number of sound pro-
viders. They produce sound projects for ZIMO sound decoders. To load these sound projects onto a de-
coder, you have to buy a “load code”. This not only depends on the sound project’s author, but also on the
identification number of the decoder.
It is a simple process:
- Read out the decoder ID: CV values #250, 251, 252 and 253.
- Buy a load code (ZIMO homepage, retailer, sound project’s author): 4 three-digit numbers.
Program these values into CVs #260, 261, 262 and 263.
- Load the sound project into the decoder (see chapter 6).
To read and program the necessary values, the MXULFA provides the possibilities already known from
chapter 9 “read and program CVs”: "PR SERV ID+LD" or "PROG OP ID+LD".
Entering one of the programming modes via the menu: press and hold the R-key (3 sec) and select
"SERV PR ID+LD" or "OP PR ID+LD" with the scrolling wheel.
SERV PR ID+LD
SERV PROG ID = After selection by R-key decoder ID is read out and displayed
221, 56,242,102 . (CVs 250-253)
SERV PROG ID = or: After selection by R-key, decoder ID is read out, doesn’t work
NO-READ .
SERV PROG LC = Press and hold R-key again to enter load code
. (CVs 250-253)
SERV PROG LC = program values, continue/ exit with R-key
196, 67, 23, . (CVs 260-263)
196, 67, 23,244 or: instead of entering, press R-key again to read out the load code
LC READ .
196, 67, 23,244 after last value, press R-key
LC ACK . ACK = ACKnowledgement, load code is valid and accepted by the decoder
196, 67, 23,244 or: after last value, press R-key, doesn’t work
LC NACK . NACK = Not ACKnowledged;
usually: Load code is not valid or does not correspond to the serial num-
ber
Press and hold R-key: return to menu.
OP PR ID+LD
OP PROG After selection by R-key the address is entered, by pressing
Enter addr: the R-key the ID is read out automatically.
Otherwise, this procedure is identical (but faster) to the mode “SERV PR ID+LD” (see previous chapter).

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 9
12. Decoder-connection board MXTAPS / V
MXTAPS and MXTAPV are the "old" test and connection boards (from the "MX time"),
see next chapter for the more modern (functionally similar) MSTAPK and MSTAPV.
ZIMO decoder-test-and-connection boards are best used with MXULFA, as well as ZIMO command sta-
tions (especially MX10), but also with older ZIMO digital command stations and devices of other manufac-
turers.
The basic features of these PCBs are the following:
- Plugs for all interfaces used in ZIMO decoders, i.e. PluX12, -16, -22, Next-18, 21MTC, NEM651,
NEM652 (all standardized by VHDM or NMRA), as well as interfaces for large-scale decoders MX696,
MX697, MX699 (proprietary of ZIMO).
Two versions - MXTAPS only for small scales, MXTAPV with all interfaces (including large-scale)
- Connection to MXULFA, ZIMO central command station or other digital command stations via double
clamp “SCHIENE” and, if necessary (if available on counter device) via SUSI cable.
- To test the decoders, the following is provided: DC motor, speaker (1 Watt), various LEDs for function
outputs and fan outputs (large-scale decoders), servo connections (large-scale decoders), plugs for
various ZIMO decoder types and wires to external consumers.
Connections between the MXTAPV and the MXULF: a 2-pole cable to connect the “Schiene”-plug (track;
connectors are supplied with the device) and a 4-pole SUSI cable (supplies; SUSIKAB).
The MXTAPS (or MXTAPV) is connected to the output “Schiene” of the MXULF via the double clamp
“SCHIENE”, and to a track output of a ZIMO central command station or another digital command station.
No additional supply is necessary.
If needed, the SUSI plugs from MXULF and MXTAP are connected: via “SUSI”, sound loading is essen-
tially faster than via “tracks”. For decoders with the interfaces “PluX”, “MTC”, “Next” as well as large-scale
decoders, SUSI is automatically available at the “SUSI” interface of the MXTAP and can easily be trans-
ferred to the MXULF.
Simultaneous sound loading of more than one MX645P22 via “SUSI”: each
decoder has to be connected to an individual decoder-test-and-connection
board MXTAP. Several connection boards can be connected in parallel.
NOTE: The supply via
SUSI cable is sufficient for
SUSI sound loading!
DO NOT connect "rail" at
the same time!
NOTE: With the MXTAPS or MXTAPV, also decoders of other manufacturers can be used. To update soft-
ware or sound, naturally, a suitable programming device of the corresponding manufacturer has to be used.
When testing, ZIMO and other products can be mixed on both sides. SUSI sound load is only possible with
ZIMO decoders.
ATTENTION: only ONE connection can be used. Therefore, you can NOT connect more than one de-
coder to the number of interfaces of the MXTAPS or MXTAPV.
MX644 can NOT be loaded simultaneously!

Page 10 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
Typical application:
MXTAPV with decoder MX644D (MTC interface), connected to MXULFA:
Supply of the combination via connection “Power” on the MXULFA, 2-pole cable from “Schiene”
(MXULFA) to “SCHIENE” (MXTAP); on the MXULFA, a decoder update was just started (according to
the display), the decoder software is loaded from a flash drive.
MXTAPV (not MXTAPS) with connected large-scale decoder MX696, connected to MXULFA; on the
MXULFA sound loading was just started (according to the display), the sound project is loaded from a
flash drive.
MXTAPV with decoder MX645P22 (PluX22), connected to MXULFA:
additionally, SUSI cable between MXULFA and MXTAPV, for faster sound loading via SUSI,
MXULFA in this case is controlled by computer (usually software ZSP - ZIMO Sound Programmer;
USB cable to the computer; on the display information to communication between PC and MXULF).
ATTENTION: The rail connection to the test stand must be disconnected. Never leave SUSI + rail
plugged in at the same time, this can cause damage to the decoder!
MXTAPV with decoder MX648N18 (Next), connected to MXULFA:
Via operating elements and display of the MXULFA, test operation is active, i.e. tests motor control,
function outputs, sound of the decoder.
MXTAPV with decoder MX648R (8-pole NEM652 interface, speaker not on interface, therefore, wires
on clamps), connected to MXULFA:
In this case, the test operation is controlled by the computer (display controller in ZSP or ZCS), there-
fore, on the display only information about communication between PC and MXULF.
Therefore, it is not possible to load more than one large-scale decoder at the same time like “small” de-
coders (see previous page - with more than one MXTAPVs). Instead, it is possible to build your own
equipment to connect large-scale decoders in parallel by SUSI cables.
ATTENTION: To load sound into large-scale sound decoders, the SUSI interface (“SUSI” plug) on the
decoder itself has to be used; it is NOT provided on the pin connectors of the decoder and therefore
also NOT on the SUSI pins of the MXTAPV!

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 11
13. the decoder connection boards MSTAPK resp. -G
MSTAPK and MSTAPG are the "newer" test and connection boards (from the MS era); see
previous chapter for the (functionally similar) "old" MXTAPS and MXTAPV.
The ZIMO decoder test and connection boards of the MS series were developed in connection with the MS
sound decoders, in order to support their possibilities fully (therefore e.g. two loudspeakers for large rail-
road decoders and PluX-26 decoders, interfaces for the new gauge 0 decoders. etc.).
MSTAP.. and MXTAP.. are nevertheless similar in many respects. MSTAP.. (i.e. the "more modern") test
and connection boards are practically universal, applicable for MS as well as for almost all MX decoders
(exception: not for MX696); in case of using MXTAP for MS decoders there are restrictions for large scale
decoders (only 1 speaker, missing cut points for gauge 0 decoders).
However, because of the greater number of interfaces, in the case of MSTAP. there is no combined test
and connection board for all decoders (as there is with MXTAPV), but two types:
MSTAPK: Test and connection board for "small" decoders (interfaces for H0, H0e, TT, N, ...)
MSTAPG: Test and connection board for large scale decoders (gauges 0, 1, 2, G, ...) and PluX-26.
Typical applications MSTAPK together with MXULFA:
Power supply of the combination via connection "Power" at the MXULFA, 2-pole connection from "Rail"
(MXULFA) to "RAIL" (MSTAPK); a decoder update has just been started at the MXULFA (according to
the display), the decoder software comes from the USB stick.

Page 12 Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G
Typical applications MSTAPG together with MXULFA:
MSTAPG with attached large scale railroad sound decoder MS990 (ZIMO interface for
sizes G, 1), connected to MXULFA: sound loading has just been started at MXULFA
(according to the display), the sound project comes from the USB stick.
IMAGE WILL BE ADDED LATER

Decoder-Update-and-Sound-Loading-device MXULFA, Test and Connection boards MXTAPS, -V, MSTAPK, -G Page 13
Annex: Declaration of Conformity and Warranty
Declaration of Conformity:
ZIMO Elektronik GmbH hereby declares that the product MX10 bears the EC mark and is built in accordance
with the provisions of Directives 88 / 378 / EWG ; 89 / 336 / EWG ; 73 / 23 / EWG.
24 months warranty:
Our products are technically sophisticated and are manufactured and tested with utmost care, therefore,
ZIMO Elektronik GmbH guarantees its products for 24 months from the date of purchase (with proof of pur-
chase from a ZIMO contractor).
The warranty covers the repair or replacement of defective parts. ZIMO Elektronik GmbH reserves the
right to proceed at its own discretion only if the damage is proven to be the result of a design, manufac-
turing, material or transport fault. A repair does not extend the warranty. Warranty claims can be made
with a ZIMO contract partner or ZIMO Elektronik GmbH. Proof of purchase is required.
The warranty does not apply:
- with normal wear and tear
- if devices are not used for the purpose intended by ZIMO Elektronik GmbH and in accordance with its
operating instructions
- in case of modifications or alterations not performed by ZIMO Elektronik GmbH.
ZIMO Elektronik GmbH
Schönbrunner Straße 188
1120 Vienna
Austria