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Idiomas disponibles
Idiomas disponibles
ENGLISH
• Send: negative TX- connector 26.
• Reception: negative RX- connector 27.
• Reception: positive RX+ connector 28.
For a correct use of RS485 communication interface, connect
two resistors 120 in parallel of receive connectors situated at the
beginning and at the end of the data line.
All transportation cables of the measurement signals must be
absolutely:
• be separated from the power ones.
• be twisted conductors, better if also screened.
• have a section not smaller than 1,0 mm
.
2
MESSAGES DESCRIPTION
The letters that appear on single digit display assume the following
meaning:
F: function mode (range 0-3).
P: pre alarm level, the PrE relay switch on when the temperature
exceeds the level set.
A: alarm level, the ALL relay switch on when the temperature
exceeds the level set.
L: low level for cooling system switch off, the FAn relay switch off
when the temperature gets lower than all L values.
H: High level for cooling system switch on, the FAn relay switch on
when the temperature gets higher than any H value.
t: min. time that must elapse before the device turn off the fan
cooling system (see programming details for more information).
S: RS485 speed (see details to chapter PROGRAMMING).
d: answer delay on RS485 serial communication interface in 1/100
seconds (see details to chapter PROGRAMMING).
U: Address of device on RS485 network.
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