Connection J7 - Accessories And Options Internconnections; Rs 232 Option; Rs 232 Installation - Varian Turbo-V 250 969-9423 Bedienungshandbuch

Connection J7 - Accessories and Options
Interconnections
J7 connector
The 120 Vac, 1 A maximum (independent of line
voltage) output voltage is present on J7 connector after
START pushbutton is pressed and will remain present
until a fault condition is displayed on the front panel
display or the turbopump is stopped.
To make connections, remove the plug and wire the
pins (maximum wire size 18 AWG, 1 mm
in the figure to obtain the desired capability.
On the J7 outlet the output voltage is 120 Vac with the
maximum current of 1 A.
If more than one device is connected, be sure to draw
not more than 120 VA to avoid controller damage.
Use a relay coil with a maximum surge power of
65 VA.
Forepump relay coil is an independent, user supplied
item.
2
) as indicated
CAUTION!
NOTE

RS 232 OPTION

RS 232 Installation

An optional RS 232 kit is available for model 969-9423
and 969-9523. 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 J5 connector plate.
•
Insert the flat cable through the rear panel and plug
it into the socket located on the internal board of the
controller.
•
Install and tighten the connector screws.
•
Replace the cover.
RS 232 connector installation
56
TECHNICAL INFORMATION
87-900-852-01 (B)