Advantech ADAM-4051 16-channel Isolated Digital Input Module RS-485 Tested

USSP MOXA 45MR-1600 I/O Module 16 Digital Input Channel 24VDC

COMIZOA cnDV00-16 Digital I/O Module Tested

Weidmuller UR20-16DO-P U-Remote I/O Module Digital 16-Channel 1315250000

WAGO 750-1504 16DO I/O Module 16-Channel Digital Output 24VDC 0.5A #212993-O3

OPTO 22 G4RS, I/O MODULE, 16 CHANNEL, NEW* #262071

Opto 22 G4 DIGITAL 16-Channel I/O Unit G4-D16R

USED GRAYHILL 70MRCK16-HL I/O MODULE RACK 16-CHANNEL 50-PIN & I/O MODULES(H265)