Siemens SM 321 (6ES7 321-1BH02-0AA0) – SIMATIC S7-300 Digital Input Module (16 DI)

SKU: 1002021
Original price was: $40,000.Current price is: $39,500.
A used Siemens SM 321 Digital Input Module (6ES7 321-1BH02-0AA0) providing 16 x 24V DC inputs for SIMATIC S7-300/ET 200M PLCs.

Siemens SM 321 (6ES7 321-1BL00-0AA0) – SIMATIC S7-300 Digital Input Module (32 DI)

SKU: 1002008
Original price was: $60,000.Current price is: $56,500.
A used Siemens SM 321 Digital Input Module (6ES7 321-1BL00-0AA0) providing 32 x 24V DC inputs for SIMATIC S7-300/ET 200M PLCs.

Rockwell Automation 1769-IQ16 – 16-Point Digital Input Module

SKU: 1000031
A Rockwell Automation 1769-IQ16 is a 16-point digital input module for CompactLogix controllers, accepting 10-30VDC sink/source signals.