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MDE-LEDI-1099V3.4
3.1.7. TOP option
► Connect the cable on the both wires outgoing from the clock: brown wire and white
wire
► Static relay output: no polarity
► TTL 50 ohms output: brown wire is GND, white wire is positive impulse
► Sine wave output 1000Hz: brown wire is GND, white wire is frequency
3.1.8. ASCII RS232 or RS485 output option
► Connect the ASCII RS232 or RS485 code on the terminal plug following the table
below:
► After connecting the ASCII code, press « reset » button on the rear of the item.
3.1.9. Temperature option
► Wire the temperature sensor on the both terminals marked : probe T°C of the termi-
nal (no polarity).
► Temperature probe is provided with a 4 meters cable, this cable might be extended
(25 meters length maxi.)
☛ In case of an indoor temperature display, the sensor must be placed
between 1.5 to 2 meters from the ground and as far as possible from any
heat source.
☛ In case of an outdoor temperature display the sensor must be
placed under a ventilated shelter, to avoid the inuence of solar radiation
(greenhouse effect).
☛ In case of a pool temperature display, the sensor must be placed below
the surface of water.
☛ In wireless version, the radio transmitter must be placed out of the
water. 1000m maximum distance of transmission (distance can be reduced
by impediment presence)
ASCII RS232C ASCII RS422/485
ASCII 1 plug TXD E / S -
BASCII 2 plug RXD E / S +
GND plug GND GND
ENGLISH