18
Technical Information
RS 232/RS 485 Communication Description
N.
Read/
Write
400
R
402
R
404
R
500
Reserved to Agilent service
503
R/W
504
R/W
1.
NOTES
opened with a delay defined by window n. 126; when the controller starts, the
vent valve is immediately closed.
2.
window n. 122.
3.
are used continuously, they can cause the pump stopping
Figure 14
174/182
Data
Description
Type
A
CRC EPROM (QE)
A
CRC Param. (PA)
A
CRC Parameter structure
N
RS 485 address
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
These commands remove the pump motor supply for a short time. If they
7
6
TOO HIGH LOAD
SHORT CIRCUIT
OVERVOLTAGE
Window N. 206 Bit Description
Controller TV70 Navigator User Manual / 87-900-956-01 (G)
5
4
3
2
PUMP OVERTEMP.
CONTROLL. OVERTEMP.
AUX FAIL
POWER FAIL
Admitted
Values
QE8XXXX
(where "XXXX" are
variable)
PA8XXXX
(where "XXXX" are
variable)
"XXXX"
0 to 31
(default = 0)
0 = RS 232
1 = RS 485
(default = 0)
1
0
NO CONNECTION