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PIN
DESCRIPTION
6-18
START S2 signal 24 V, 60 mA, optically
∗
isolated output (pin 18 positive, pin 6
negative). The output Voltage will be present
when the START push-button on front panel
is pressed or the remote start is present. or
the function has been requested by RS
232/422/485, until NORMAL operation is
reached.
7-19
Normal S1 signal 24 V 60 mA, optically
*
isolated output (pin 19 positive, pin 7
negative). The output Voltage will be present
when the rotational speed of the pump is
higher
than
the
threshold.
8-20
Normal S2 signal 24 V 60 mA, optically
∗
isolated output (pin 20 positive, pin 8
negative). The output Voltage will be present
when the rotational speed of the pump is
higher than the selected low speed threshold.
9-21
Flow meter alarm, the flow value remained
*
below the threshold for 10 seconds or more
(pin 21 positive, pin 9 negative).
10-22
OVERTEMP. signal 24 V, 60 mA, optically
∗
isolated output (pin 22 positive pin 10
negative). The output Voltage will be present
when a fault condition is displayed on the
front panel display, with only in an overtemp
condition.
11-23
FAULT signal 24 V, 60 mA, optically isolated
∗
output (pin 23 positive pin 11 negative). The
output Voltage will be present when a fault
condition is displayed on the front panel
display, with exception of an overtemp
condition.
12-25
Analog output Voltage of power drawn by the
turbopump (pin 12 positive, pin 25 negative).
10 Vdc proportional to 1000 W.
13-25
Analog output voltage (0 - 10 V) of pump
speed (pin 13 positive, pin 25 negative).
24-23
BRAKING signal 24 V, 60 mA, optically
*
isolated output (pin 24 positive pin 23
negative). The output voltage will be present
when the pump is in its deceleration phase,
with exception of an overtemp condition.
∗ Open collector type contacts
NOTE
In the presence of both S1 and S2 signals, the one that
reaches the processor first is executed.
NOTE
Pin 3-16 must be shorted to allow the Turbo-V
2000 ICE pump to start if no interlock contact is
connected. If after starting the pump, the interlock
contact opens, it has no effect on the operation and the
pump continues to turn.
The following figure shows a typical contact logic input
connection and the related simplified circuit of the
controller.
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selected
high
speed
Typical logic input connection
All the logic output from the controller must be
connected at P1 mating connector. With the optional
P1 mating connector make the connection with AWG
2
24 (0.25 mm
) or smaller wire to the pins indicated in
the figure to obtain the desired capability. The following
table describes the signals
available on the connector.
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 open collector
73
TECHNICAL INFORMATION
87-900-929-01 (H)
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