Digital modules
3.6 Digital input module SM 321; DI 32 x DC 24 V; (6ES7321-1BL00-0AA0)
S7-300 Automation System Module data
3-12 Manual, 08/2006, A5E00105505-04
3.6 3.6 Digital input module SM 321; DI 32 x DC 24 V;
(6ES7321-1BL00-0AA0)
Order number: "Standard module"
6ES7321-1BL00-0AA0
Order number: "SIPLUS S7-300 module"
6AG1 321-1BL00-2AA0
Properties
Properties of SM 321; DI 32 x DC 24 V:
● 32 inputs, electrically isolated in groups of 16
● Rated input voltage 24 VDC
● suitable for switches and 2- /3-/4-wire proximity switches (BEROs)
Wiring and block diagrams of SM 321; DI 32 x DC 24 V
9
0
0
9
0
0
① Channel number
② Status display - green
③ Backplane bus interface
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