Agilent Technologies TV 301SF Bedienungshandbuch Seite 270

17 Technical Information
RS 232/RS 485 Communication Description
N.
500
503
504
1. Automatic means that when the controller stops, the vent valve is opened
NOTE
with a delay defined by window n. 126; when the controller starts, the vent
valve is immediately closed.
2. On command means that the vent valve is opened or closed by means of
window n. 122.
3. These commands remove the pump motor supply for a short time. If they
are used continuously, they can cause the pump stopping.
Figure 24
270/300
Read/Write Datatype
Reserved to Agilent service
R/W N
R/W L
7 6
TOO HIGH LOAD
SHORT CIRCUIT
OVERVOLTAGE
AUX FAIL
Window N. 206 Bit Description
TV 301SF Navigator User Manual / 87-900-957-01 (H)
Description
RS 485 address
Serial type select
5 4 3 2 1 0
NO CONNECTION
PUMP OVERTEMP.
CONTROLL. OVERTEMP.
POWER FAIL
Admitted Values
0 to 31
(default = 0)
0 = RS 232
1 = RS 485
(default = 0)