Interconnections; P3 - Vent; P4 - External Fan; J5 - In-Out - Varian TV 301 Manual De Instrucciones

INTERCONNECTIONS

The following figure shows the TV 301 intercon-
nections.

P3 - Vent

This is a dedicated 24 Vdc connector to control the
optional vent valve.
P4 – External fan
This is a dedicated 24 Vdc connector to supply the
optional external fan.
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TECHNICAL INFORMATION

J5 - IN-OUT

This connector carries all the input and output sig-
nals to remote control the TV 301 Navigator.
It is a 15-pins D type connector; the available sig-
nals are detailed in the table, the following para-
graphs describe the signal characteristics and use.
PIN N. SIGNAL NAME
1 START/STOP (+)
2 START/STOP (-)
3 INTERLOCK (+)
4 INTERLOCK (-)
5 SPEED SETTING (+)
6 SPEED SETTING (-)
7 SOFT START (+)
8 SOFT START (-)
9 +24 Vdc
10 SPARE
11 PROGRAMMABLE SET POINT
12 SPARE
13 FAULT OUTPUT
14 PROGRAMMABLE ANALOG
SIGNAL (+)
•
15 GROUND
•
PROGRAMMABLE ANALOG
SIGNAL (-)

Signal description

START/STOP: input signal to start or stop the
pump. With the supplied cover connector the
START/STOP (+) signal is connected to the +24
Vdc pin and the START/STOP (-) signal to the
GROUND pin: in this condition the pump auto-
matically starts as soon as the controller recog-
nises the input supply ("Plug & Pump").
INTERLOCK: input signal to control the pump ro-
tation. With the supplied cover connector the IN-
TERLOCK (+) signal is connected to the +24 Vdc
pin and the INTERLOCK (-)signal to the GROUND
pin.
INPUT/
OUTPUT
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
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