Timpdon Marine
Tel 0161 - 980 8054
Issue 1 – May 2011
Web
www.timpdon.co.uk
EMail [email protected]
Notes on Programming
1
Once you have entered programming mode, there is no exit until all
programming steps have been completed. If you enter programming
mode inadvertently, and you do not wish to re -program the unit,
remove and re-apply power, to restart in normal operation mode.
2
Remember that no new programmed settings are saved until the end
of programming
Step 3
. All steps must therefore be completed for
programming to be valid.
3
If you make an error during programming, simply repeat the
programming procedure after the unit has re-booted in normal
operation mode.
Constraints on Operation
1
The
MRSS3
is designed to detect a change in pulse width on
consecutive transmissions from the transmitter, at nominal intervals
of 20 ms, in order to determine a
set
or
reset
condition of the
output.
2
An
increase
in pulse width will be interpreted as a
set
request, and a
decrease
as a
reset
request.
3
In order for the
MRSS3
to detect a valid change in pulse width, the
slew rate of the transmitter pulse width output must be greater than
or equal to 0.17 ms per second, representing a maximum total slew
period between pulse widths of 1.0 ms and 2.0 ms of 6 seconds.
4
In addition to slew rate detection, in order to accommodate the end
conditions [pulse width = 1.0 ms or 2.0 ms nominal] where the p ulse
width no longer changes, the
MRSS3
will, in addition, consider a
pulse width
greater
than 1.5 ms to represent a
set
condition, and a
pulse width of
less
than 1.5 ms to represent a
reset
condition, if the
pulse widths are no longer changing.
