Technical Information
Interconnections
Signal characteristics and use
PIN N. SIGNAL NAME IN-/OUTPUT
1 Start/Stop (+) In
2 Start/Stop (-) In
3 Interlock (+) In
4 Interlock (-) In
5 Speed setting (+) In
6 Speed setting (-) In
7 Soft start (+) In
9 + 24 vdc Out
10 Spare
11 Programmable set point (+) Out
12 Contact: normally open
13 Fault output Out
14 Programmable analog signal (+) Out
15 • Ground
• Programmable analog signal (-)
Out
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 automatically starts as soon as the controller
recognises the input supply ("Plug & Pump").
Interlock: input signal to control the pump rotation. With the
supplied cover connector the interlock (+) signal is connected to the
+24 Vdc pin and the interlock (-) signal to the GROUND pin.
Soft start: this input is used to provide a "soft start" to the pump; in
this condition the ramp-up time could be up to 45 min.
150/178 TwisTorr 304 FS on board Controller User Manual / 87-901-028-01 (C)
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