Device Description MV4-150-TA1, MV4-450-TA1, MV4-170-TA1, MV4-470-TA1 1-21
Moeller 07/01 AWB-C2700-1347GB
11 Expansion and configuration options
11.1 Additional 5 V power supply on programming port (PROG PORT)
Pin 9 of the PROG PORT (see Section 8) can also be used for the power supply (+5 V) of external additional
hardware (jumper J7 on the main board set to position A). This is not short-circuit proof and not overload
protected and must only be used in conjunction with original Moeller hardware. The power supply cannot be
used for non-Moeller products.
12 Function and control LEDs
The Touch Operator Panel provides two LEDs for monitoring the functions of the touch controller (
TOUCH
)
and two other LEDs for monitoring the system voltages (
POWER
). They are located underneath the COM
SLOT.
TOUCH
DEF/DIRTY
The LED (red) is lit if during the power up function test of the Touch Screen the signal
level of one or several IR channels is below the minimum level (see Section 13.2).
A reduction of the signal level is caused by the contamination of the IR transparent
plastic frame or the failure of an optical element. If this LED is lit, clean the plastic
frame on the device front (see Section 13.3).
RUN/ACTUATE
The LED (green) remains unlit when the system voltage is switched on. It will light up
once the initialisation of the touch controller has been successfully completed.
The LED will be deactivated for approx. 0.3 seconds when the touch screen is
pressed.
POWER
12 V OK
5 V OK
When lit the LEDs indicate the presence of the system voltages (+12 V and +5 V).
If the LEDs are not lit when the system voltage is applied, check the fuse.
When the system voltage is switched on, both Touch LEDs are activated for approx. 0.3 seconds as a
function check.
COM SLOT
Section of the connector panel with a view of the control LED, the PROG PORT and the COM SLOT
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