Analog Inputs - Unitronics V200-18-E1B User Manual

Snap-in I/O Modules
Increasing Contact Life Span
To increase the life span of the relay output
contacts and protect the device from potential
damage by reverse EMF, connect:
▪
a clamping diode in parallel with each
inductive DC load,
▪
an RC snubber circuit in parallel with each
AC
inductive load.
Transistor Outputs
▪
Each output can be wired separately as either npn or pnp.
▪ The 0V signal of the transistor outputs is isolated from the controller's 0V signal.

Analog Inputs

▪
Shields should be connected at the signal source.
▪
Inputs may be wired to work with either current or voltage.
▪ Note that the analog input's 0V signal must be the same 0V used by the controller's power supply.
Unitronics
npn (sink)
current
pnp (source)
current/voltage
5