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Connector J11
Purge Flow Meter Connector
J11 connectors
PIN
DESCRIPTION
1-3
Flow
meter
10 mA, (pin 1 negative - pin 3 positive)
5-6
Analog
signal
proportional to the flow.
Between 0 and 3 V it is linearly proportional
to
between
(pin 6 negative, pin 5 positive)
CAUTION!
Use this connector (J11) only with the Varian solid
state flowmeter model 969-9114 or 969-9115. Any
other connection could lead to serious injury.
Connector J12
Heater Jacket Connector
J12 connectors
•
A-B
heater jacket temperature sensor
•
C-D
120 Vac 2 A, output to heater jacket
•
E
Ground (Earth)
!
On the connector J12 is present an Hazardous voltage.
Connect on the connector only the Varian Heating
Jacket.
power
supply:
12
Vdc,
with
a
voltage
value
0
and
100
sccm
WARNING!
OPTIONAL SERIAL PORT
The Controller can be read when set in the
Front/Remote mode, (read window only enabled), while
it can be written to and read when set in the Serial
mode (write window enabled).
Serial Port Installation
An optional RS 232/422/485 kit is available for both
models. To install it, proceed as follows:
•
Switch off the power and disconnect the power
cord.
•
Unscrew the cover screws and remove the cover.
•
On rear panel, remove the connector plate, and
then secure connectors J13 and J14 to the frame
using the turrets provided.
•
On rear panel, remove the fixing turrets of
connectors B and C and then remove the controller.
•
Attach the interface board connector to connector
P6 on the controller and then secure it in place
using screw A (3x6), which is not provided.
•
Insert the flat cable through the rear panel and plug
it into the socket P1 located on the Interface board.
•
Restore the main board into its original position.
•
Install and tighten the connector screws and turrets.
•
Replace the cover.
P 6
A
Serial port connector installation
75
TECHNICAL INFORMATION
NOTE
B
C
87-900-902-01 (L)
J13
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