MS - SOUND decoders MS440 to MS990 and MN - NON-SOUND decoders MN170 to MN340 Page 3
Notes for users switching from MX to MS & MN:
The
relationship between
MS - Sound Decoders &
MN - non-sound decoders
In contrast to earlier decoder generations (at ZIMO and other manufacturers),
the sound decoders - i.e. the more elaborate types - were the first on the market
at MS & MN. The types without sound are largely derived from this: so they are
NOT trimmed for low cost, but for optimal functionality as it results from the
match:
MS sound decoders and MN non-sound decoders are of one mold.
Identical hardware, apart from the special components for sound generation, of
course, and jointly developed software mean
- same driving behavior (important for locomotive networks, etc.),
- same (very similar) configuration, including ZIMO specials like
"Swiss Mapping", scripts, registration under DCC and mfx, etc.
- same project organization (sound projects or decoder projects)
Therefore, there is this
one shared operating manual
for sound and non-
sound decoders. Sections that refer only to sound can of course be ignored
for non-sound.
Differences
concerning operation and config. (
MX
→
MS & MN
):
Apart from the new sound quality (see below) and other improvements, the MS and
MN decoders are very similar to the MX decoders. In some cases, though,
specific
settings (CVs)
behave differently or have additional functions for better operation:
CV #12
(Operation types): according to VHDM-standard, individual operating states
can be locked (DCC, mfx, MM, analog), by default all unlocked.
Chap. 3.1
CVs #5, #57
(top speed, Reg’ref.): CV #5 gets the original configuration to reduce
the top speed back, which was in CV #57 in MX decoders. CV #57, therefore,
is used to select, whether the speed depends on running voltage or if voltage
variations can be eliminated by references to a lower value (e.g. 14
V). NOT
in SW. 4.50!
Chapter 3.6
CV #56
(P- and I-value): only effective, if CVs #147, #148, #149 = 0
Chapter 3.6
CV #144
(Programm./Update lock): dropped, no longer necessary in new decoders.
CV #147, #148, #149
(PID settings): new CVs, enable separated, high-resolution
adjustment of integral, differential, and proportional values for EMF-load bal-
ance control, replace CV #56 if <> 0.
Chapter 3.6
CVs #190, #191
(Brightening up and dimming times for effects 88, 89, 90): New def
inition due to broader range of timeset (now 0-320s).
Chapter 3.21
CVs #49, #50
In contrast to MX decoders the values of CV #3/#49 or #4/#50 are not
added together, but the higher value is used.
Chapter 3.7
Summary of Contents for MS450
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