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PURGE/VENT VALVES: the pump integrates the
"purge" and "vent" valves. The two valves are
Normally Closed so if a power fail occur, the
valves will remain closed.
1=Remote-I/O
Pin-10 Low -> Purge Close
Pin-10 High -> Purge Open
Pin-12 Low ->Vent Close
Pin-12 High -> Vent Open
win.122=0 Vent Close (def)
win.122=1 Vent Open
win.145=0 Purge Close (def)
win.145=1 Purge Open
Fail -> Vent and Purge =
Closed
Power Fail -> Purge and
Vent = Closed
J2 - Serial
This is a 9 pin D-type serial input/output connector
to control via an RS 232 or RS 485 connection the
Turbo-V "K-G.
In remote mode you can open the purge valve
(N.C.) connecting pin10 of J1 to pin 9, or supplying
24 Vdc between pin 10 and pin 15. The same
thing occurs for the vent valve with pin 12.
Note that the vent and purge valve can also be
controlled by means of the serial connection (see
the following diagram for details).
1=OnCommand
Win
125
Win
146
0=Serial (def)
Purge
O
C
Vent
O
C
Stop
Ramp
Start Command
A serial communication kit with a serial cable and
the Navigation software is available (optional).
SERIAL CABLE INSTALLATION
In order to maintain the IP-54 protection level,
please use a certified IP-54 connector or the one
provided by Varian.
76
TECHNICAL INFORMATION
0=Auto (def)
Win.126 set the "Vent Valve Opening Delay", from 0 to
65535, 1bit=0.2s, def=10s=50bit
Win.147 set the "Vent Valve Open Time", from 0 to
65535, 1bit=0.2s, def=0=infinite
Stop Command
Win.
126
Normal AutoTun
Stop
Breaking
PIN N.
SIGNAL NAME
1
RESERVED
2
TX (RS232)
3
RX (RS232)
4
SPARE
5
GND
6
A + (RS485)
7
SPARE
8
B – (RS485)
9
RESERVED
Win.
147
If win.147=0
87-900-968-01(C)
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