MEC 2 MICROPROCESSOR ENGINE/GENERATOR CONTROLLER
PM056 Rev 6 05/10/15
Thomson Technology
13
3. DESCRIPTION
The MEC 2 controller consists of three parts; a Lexan faceplate which is mounted externally on
the enclosure door, a printed circuit board (PCB) which is mounted inside the enclosure door,
and a rear cover for the PCB.
3.1. LEXAN
FACEPLATE
The Lexan faceplate is shown as in FIGURE #10. The Lexan pushbuttons are connected
to the main PCB via plug-in ribbon cable. The main features of the Lexan faceplate are
described as follows with reference to FIGURE #10.
MEC2_03.VSD Rev. 0 00/12/11
DECREMENT
INCREMENT
SILENCE
RESET
SHUTDOWN
ALARM
READY
SPEED SIGNAL
EMERGENCY
STOP
RUN
OFF
AUTO
LOAD
TEST
EXIT
ENTER
14
3
2
13
1
6
7
4
11
12
5
8
9
10
LAMP TEST
MICROPROCESSOR ENGINE CONTROLLER
MEC 2
FIGURE #10
LCD viewing window. The LCD display is mounted on the main PCB that
is visible through the lexan faceplate viewing window.
EXIT
pushbutton. The
EXIT
function is used to scroll backwards through
the status menus or programming prompts to the previous item. The
EXIT
function is used to “exit” the programming menu by holding this button down for
approximately 2 seconds while in the programming mode.
DECREMENT
pushbutton. The
DECREMENT
function is used to change
a programming value while in the programming mode. When this pushbutton is
Summary of Contents for MEC 2
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