Signal Description - Agilent Technologies TV 551 Navigator User Manual

17 Technical Information
Interconnections
Tab. 4
Pin N.
1
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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.
Speed setting: PWM input signal to set the pump speed. The PWM signal
characteristics must be the following:
278/328
Signal characteristics and use
Signal name
Start/Stop (+)
Start/Stop (-)
Interlock (-)
Interlock (-)
Speed setting (-)
Speed setting (-)
Soft start (-)
Soft start (-)
+ 24 vdc
Contact: normally open
Programmable set point (+)
Contact: normally open
Fault output
Programmable analog signal (+)
• Ground
• Programmable analog signal (-)
TV 551/701 Navigator User Manual / 87-900-934-01 (P)
In-/Output
In
In
In
In
In
In
In
In
Out
Out
Out
Out
Out