
Smart Positioner
YT-3700 / 3750
Product Manual
Ver. 1.03
33
Terminal
name
Signal name
Function
IN+
Current input signal (+)
Apply analog current command 4 - 20 mA to this
terminal to supply power and signal to the positioner.
IN-
Current input signal (-)
F.G
Safety ground
Safety ground
OUT+
Analog output signal (+)
Analog feedback signal indicating the position of the
current valve
OUT-
Analog output signal (-)
D.G IN+
Digital input signal (+)
A digital input that performs a specific function.
The 0 - 5 V input is defined as Low level, and
the 10 - 28 V input is defined as High level.
D.G IN-
Digital input signal (-)
D.G OUT+
Digital output signal (+)
A digital output signal that is activated when a specific
event or alarm is triggered.
When the output is activated by Low logic at the input
voltage range of 5 to 28VDC, no current flows to the
output port, and when it is activated by High logic,
the current flows between 2.1 and 14.0mA.
D.G OUT-
Digital output signal (-)