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TECHNICAL INFORMATION
56
87-900-852-01 (B)
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
2
) as indicated
in the figure to obtain the desired capability.
CAUTION!
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.
NOTE
Forepump relay coil is an independent, user supplied
item.
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
Содержание 969-9423
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