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PIN
DESCRIPTION
7-14
R2 signal 24 V, 0 mA, optically isolated
output (pin 14 positive, pin 7 negative).
The output Voltage will be present upon the
programmed condition delay YES or delay
NO (see the cycle diagram in the following
pages).
If YES is selected, R2 is off and the
is zero over all run up time, then:
a)
If running speed > speed threshold
R2 = OFF
b)
If running speed < speed threshold
R2 = ON
If NO is selected:
a)
If running speed > speed threshold
R2 = OFF
b)
If running speed < speed threshold
R2 = ON
8-15
FAULT signal 24 V, 60 mA, optically
isolated output (pin 15 positive. pin 8
negative).
The output Voltage will be present when a
fault condition is displayed on the front panel
display.
1-9
Analog output voltage (0 - 10 V) of pump
speed (pin 9 positive, pin 1 negative).
The following figure shows a typical logic output
connection (relay coil) but any other device may be
connected e.g. a LED, a computer, etc., and the related
simplified circuit of the controller.
Typical output connection
Controller-to-Pump Connection
A five-meter long cable is to connect the controller to
the pump. The following figures show the controller
output connector configuration where pins:
•
A-F = pump temperature sensor
•
B-C-D = 56 Vac 3-phase output to pump
stator
•
E = ground
output
(applicable to model 969-9445 and 969-9545)
Connection J6 and J7
Accessories and Options Interconnections
The 120 Vac, 1 A maximum (independent of line
Voltage) output Voltage is present when the main
power switch is set to 1 position and after START push-
button is pressed and will remain present until a fault
condition is displayed on the front panel display or the
turbopump is stopped.
The connector J6 is a power output for a pump cooling
fan, the connector J7 is for vent device, forepump
connector coils, etc.
The maximum current that can be drawn from J6+J7 is
1 A.
74
TECHNICAL INFORMATION
Controller-to-pump connector
J6 and J7 connectors
87-900-894-01 (F)
motor
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