CM30 Electronic Chronometer
TYPE CM30 Swiss Chrono
2ATI Swiss Made Chronometer
The THOMMEN CM30 Electronic Chronometer is a 2ATI Swiss made precision chronometer designed to operate under the most stringend conditions in both civil and military aircraft.
Main features
- It utilizes solid-state Liquid Crystal Display (LCD) technology to provide a continuous readout.
- It features a three-line display with illuminated digits on a dark background for excellent visibility during all operating conditions.
- It simultaneously displays the clock-and timer-functions and has several day/night mode backlight options including NVIS A and B compatibility.
- The time function has a dedicated internal power supply to maintain the timekeeping function even when the aircraft power is removed.
Features
24 hour clock for UTC or Local Time (LT)
Maintenance Timer (MTH) accessible via serial interface
Simultaneous display of clock, elapsed and flight time readings
Flight Timer (FT) with automatic or manual mode selectable
Elapsed Timer (ET) with split time function
Flight Timer (FT and MTH) remotely controlled by a configurable switch input
Remote setting functions via serial link (RS-232) in master and slave mode
Installer accessible installation feature settings
Installer customizable Lighting Dimming Curve for day and night mode
Lighting options (white/white, white/red, white/green NVIS A&B)
Comprehensive Built In Test with internal maintenance and failure log
PERFORMANCE SPECIFICATION
SUPPLY POWER:
Nominal 14 or 28VDC <300mA @ 28VDC
MTBF
> 20.000 hrs. MIL-HDBK-217
LIGHTING OPTIONS FOR NVIS EQUIPMENT COMPATIBILITY
MIL-STD-3009 TYPE I CLASS B or RTCA/DO-275 or OST 1 00415-81
ELECTRICAL CHARACTERISTICS
SUPPLY POWER
Nominal14or28VDC<300mA@28VDC
LIGHTING CONTROL INPUT SIGNAL
(CENTRAL INSTRUMENT PANEL DIMMING LEVEL SIGNAL)
(CENTRAL INSTRUMENT PANEL DIMMING LEVEL SIGNAL)
0-5 / 0-14 / 0-28 VDC < 5mA
0-5 / 0-14 / 0-28 VAC @ 400Hz < 5mA
5/14/28VDCPWM<5mA
0-5 / 0-14 / 0-28 VAC @ 400Hz < 5mA
5/14/28VDCPWM<5mA
LIGHTING MODE INPUT SIGNAL
(CENTRAL INSTRUMENT PANEL DIMMING MODE SIGNAL)
(CENTRAL INSTRUMENT PANEL DIMMING MODE SIGNAL)
0 to Supply Power Voltage sinks < 5 mA against power return
FT & MTH RUN SIGNAL
0 to Supply Power Voltage sinks < 5 mA against power return
ENVIRONMENTAL CONDITIONS
TEMPERATURE
-55° C to +85° C ground survival and storage
-45° C to +70° C continuous operational
further options are available on request
-45° C to +70° C continuous operational
further options are available on request
COOLING:
none
ALTITUDE
55.000 ft. for continuous operational and storage
further options are available on request
further options are available on request
HUMIDITY
< 99% rel. humidity non condensing for continuous
operational and storage
operational and storage
QUALIFICATIONS
RTCA/DO-160F
[B2Z]BBB[U2]EWFSFSY[ZI]AZ[ZC](ZN)
[RR]M[A3H33]XXAC
[RR]M[A3H33]XXAC
MIL-STD-810F
Method 514.5
Method 505.4 Procedure I
Method 505.4 Procedure I
RTCA/DO-178B
Software Level D
RTCA/DO-254
DAL D
MECHANICAL CHARACTERISTICS
FORM FACTOR
2ATI semi ARINC housing
L62.0mm(2.441in)xW60.3mm
(2.375 in) x H 60.3 mm (2.375 in)
L62.0mm(2.441in)xW60.3mm
(2.375 in) x H 60.3 mm (2.375 in)
WEIGHT
210 grams (7.4 oz.)
COLOUR
FED-STD-595 Housing black (37038) or
grey (36118)
Markings white (37875)
grey (36118)
Markings white (37875)
INSTALLATION:
Semi ARINC Housing installs using a metal mounting clamp
Connector Amphenol 71-570123-12-10 mates with MS3116E12-10S
Connector Amphenol 71-570123-12-10 mates with MS3116E12-10S
MECHANICAL DRAWING
Datasheet
Stepfile
Installation & Operation Manual
Declaration of Design and Performance
Flight Manual Supplement
Service Bulletins
No document available for this product.
Service Information Letters
No document available for this product.
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