18
Technical Information
RS 232/RS 485 Communication Description
N.
Read/
Write
504
R/W
1.
NOTE
opened with a delay defined by window n. 126; when the controller starts, the
vent valve is immediately closed.
2.
window n. 122.
Figure 21
282/292
Data
Description
Type
L
Serial type select
Automatic means that when the controller stops, the vent valve is
On command means that the vent valve is opened or closed by means of
7
6
TOO HIGH LOAD
SHORT CIRCUIT
OVERVOLTAGE
AUX FAIL
Window N. 206 Bit Description
TV 902 Navigator User Manual / 87-900-999-01
5
4
3
2
1
PUMP OVERTEMP.
CONTROLL. OVERTEMP.
POWER FAIL
Admitted
Values
0 = RS 232
1 = RS 485
(default = 0)
0
NO CONNECTION
(A)