Micron MR601a Manual

Micron MR601a DSM2/DSMX 13V Receiver with 1.2A Bi-Directional ESC
Overview:
MR601a is a 2.4GHz DSM2/DSMX receiver which includes one integrated 1.2A reversable
controller for brushed motors (ESC) plus 5
MR601a Top
trigger, couplers, etc. It can be used with any Spektrum DSM2/DSMX compatible
transmitter; this includes all of the Micron
transmitter.
MR601a is 22.5 x 11 x 5 and weighs 0.9g without leads. The voltage range is 2.7V to 13v and the 1.2A
motor current rating makes it suitable for 00/H0, 7mm narrow gauge and smaller Gauge 0 locos.
MR601a is available as board-only for you to add wiring or with a range of pre-wired leads. The
standard output configuration is described on the
not meet your needs, please
An enormous range of programming
MR601a to suit your model. The current firmware version is 1.7. See
full details or the
transmitter or one of the Micron
is in development.
Specification:
Size:
Weight:
Protocol:
Voltage:
Motor Current: 1.2A max continuous
P outputs:
F switches:
The default speed controller PWM frequency is 16kHz which works well for small and coreless motors.
Larger motors may exhibit a reduced throttle response at this high frequency and will benefit from
lowering to 1kHz or 500Hz - experience with Re280 type motors shows that 500Hz or 250Hz works
best. The PWM frequency may be set using power-on programming changes (from v1.7, ident 'I') or by
programming MR601a, which requires a transmitter capable of programming receivers (e.g. Tx20,
Tx22, Tx24 - not Tx10 or Tx21).
Low Voltage Cutoff:
The default receiver setting is for the Low Voltage Cutoff (LVC) threshold to be determined from the
voltage seen on initialisation - basically, the receiver firmware makes a 'guess' at the battery type. The
algorithm used for this calculation means that a 9V Alkaline or NIMH battery can often be interpreted
as an almost discharged 3S LiPo. The solution is to either disable LVC, or set it to the correct value for
your battery; this is done by programming the receiver.
Instructions for programming receivers using your transmitter are at the end of the information leaflet
that came with the transmitter.
The receiver programming steps for LVC are:
disable LVC: 4 2 1
enable auto LVC: 4 2 2
set LVC: 4 2 3 units tenths
e.g. to set the LVC to 6.5V, the programming steps are: 4 2 3 6 5
The receiver is supplied either as a bare board or with wiring options and heatshrink covering as specified in
the menus below. MR601a is available only with a short wire arial. If the receiver is to be used with a metal
bodied vehicle, it should be mounted so that the aerial wire can be fed through a small hole to the outside of
the body or into the cab space.
The default behaviour of the P outputs and F switches are defined on the
Micron R/C, www.micronradiocontrol.co.uk, +44 (0)1653 696008
contact us
features
user manual for brief information. Access to programming is either via a stick type
model rail
22.5 x 11 x 5mm
0.9g without leads
Spektrum DSM2/DSMX
2.7V - 13V
3 (P1..P3), 0V when off, 3.3V when on, max 20mA
2 (F1..F2 or A..B) open when off, closed to negative when on
auxiliary outputs
model rail transmitters
Outputs tab. If the wiring or configuration options do
to discuss your requirements.
are provide to enable you to customise the operation of
transmitters. A stand-alone programmer with web interface
Micron MR601a DSM2/DSMX 13V Receiver with 1.2A Bi-Directional ESC : 1 of 2
(2xF, 3xP) for lighting, sound
or a stick model aircraft type
MR601 Programming
Configuration tab. F switches are
(v1.5) for