Unitronics UID-1600 Dig In 16 x 24VDC Module

Unitronics Model V200-18-E46B Snap In I/O Module 18 x 24VDC USED.

Unitronics IO-DI16 Digital Input Module 16 Channel 24VDC Expansion Adapter

Unitronics V200-18-E6B 18 iso x 24 VDC Snap I/O Digital Module 1 x tc/pt100/0 US

UNITRONICS MODEL IO-TO16 12/24VDCOUTPUT 15 X 12/24VDC EXPANSION MODULE

UNITRONICS MODEL: UID-0808THS DIGITAL l I/O MODULE PLC MACHINE CONTROL

UNITRONICS UID-0808R 8 X DC 24 I/O MODULE SOURCE WIRING USED.

Unitronics V200-18-E3XB Snap-In I/O Module 24VDC