UNITRONICS IO-DI8-TO8 I/O EXPANSION MODULE 12/24VDC

UNITRONICS MODEL IO-DI16 EXPANSION MODULE 16 X 24VDC

Unitronics IO-DI16 I/O Expansion Module 16x 24VDC

2X ALLEN BRADLEY 1794-0B16 FLEX I/O 24VDC SOURCE OUTPUT MODULE

GE Fanuc IC693MDL645G Input Module 24VDC 16-Point POS/NEG USED.

Unitronics IO-DI8-TO8 I/O Expansion Output Module 12/24VDC

2X ALLEN BRADLEY 1794-1B16 FLEX I/O 24 VDC SINK INPUT MODULE

Allen-Bradley 1791D-16B0x Compactblock I/O 16 Sinking Input Expansion Module