Pixsys ATR 141 - Page 42

41
21 - LOADING DEFAULT VALUES
This procedure makes it possible to restore factory settings of
the instrument.
Premere Effetto Eseguire
1
for 3
seconds.
After 5 seconds display
shows , first digit
on the left is flashing.
on ATR141
2
or
Change the flashing
digit and move to the
next one using the
key.
Enter password:
for ATR121
for ATR141
3
to confirm
Instrument loads
default settings and
resets
42
22 - SUPERVISORY SYSTEM WITH CONTROLLERS
ATR121 / 141
Below main elements of the system. Consider the converter
RS232/RS485 with automatic direction and the suggested
serial communication cables.
Serial line
RS 232
PERSONAL COMPUTER
PTC/NTC
6 7 8 9 10 11 12
PT/NI100/1K
RS485
PTC/NTC
6 7 8 9 10 11 12
PT/NI100/1K
RS485
PTC/NTC
6 7 8 9 10 11 12
PT/NI100/1K
RS485
Serial line
RS 485
Controller
Mod. : ATR121-AT
SLAVE 1 Controller
Mod. : ATR121-AT
SLAVE 2 Controller
Mod. : ATR121-AT
SLAVE 254
Sensor : PT100
Converter Rs232 / Rs485
Automatic direction
Mod. : PIX-RECORDER
Use shielded cable
1 twisted pair.
According to EIA RS-485.
Suggested cable: Belden 9841.
A
N-0020-3704