Siemens SIMATIC - Digital Input Module SM 321; DI 16 X DC 48-125 V; (6 ES7321-1 CH20-0 AA0)

Digital modules
3.15 Digital input module SM 321; DI 16 x DC 48-125 V; (6ES7321-1CH20-0AA0)
S7-300 Module data
108 Manual, 06/2017, A5E00105505-AJ
3.15 Digital input module SM 321; DI 16 x DC 48-125 V;
(6ES7321-1CH20-0AA0)
Order number: "Standard module"
6ES7321-1CH20-0AA0
Order number: "SIPLUS S7-300 module"
6AG1321-1CH20-2AA0
Properties
Properties of SM 321; DI 16 x DC 48-125 V:
● 16 inputs, electrically isolated in groups of 8
● Rated input voltage 48 VDC to 125 VDC
● suitable for switches and 2- /3-/4-wire proximity switches (BEROs)
Wiring and block diagram of SM 321; DI 16 x DC 48-125 V
①
Channel number
②
Status display - green
③
Backplane bus interface