Power Supply; Electrical Connections - DIEL MT200 LITE S Manual De Uso

ENGLISH

POWER SUPPLY

MT200 LITE can be supplied with (24÷240) Volt AC/DC ± 10% 50/60 Hz
without respect of polarity.
Power supply connectors are indicated as AL1-AL2 and they are reported
to the end of this manual to chapter (TAB 1).

ELECTRICAL CONNECTIONS

Perform the connections on the terminal board following the scheme on
TAB1 at the end of this manual.
FAULT relay usually results excited during normal working of device, in
case of failure of probes or feeding absence, the relay switch off.
FAN relay is dedicated to the management of the fans of cooling of
the transformer or for the conditioning of the environment where the
transformer is installed.
Each probe type PT100 is gifted with three wires, one of them is white
and the other two are red.
Connect the white wire to the terminal board which is marked as shown
as sensor, connectors (1-4-7-10)
The twelve terminal boards relevant to the four probes are divided as
follows:
Probe N. 1 connectors 1-2-3, probe N. 2 - connectors 4-5-6
Probe N. 3 connectors 7-8-9, probe N. 4 - connectors 10-11-12
All transportation cables of the measurement signals must be absolutely
• be separated from power wires.
• be performed with twisted conductors, better if also screened.
• have a section not smaller than 1.0 mm .
2
Serial communication interface RS485 half duplex
Transmission/Receive negative: connector RX/TX B -
Transmission/Receive positive: connector RX/TX A +
Reference GND: connector GND
PROGRAMMING
Push and hold the buttons "UP" and "DOWN for programming menù.
On the display appears finally the letter "F" which allows to fasten the
state of the monitor system:
10