Siemens Simatic S7-300 - Digital Input Module SM; DI 16 X 24 VDC High Speed; (6 ES7321-1 BH10-0 AA0); DI 16 X 24 VDC High Speed

Digital Modules
3-20
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
3.8 Digital Input Module SM 321;
DI 16 x 24 VDC High Speed; (6ES7321-1BH10-0AA0)
Order number:
6ES7321-1BH10-0AA0
Characteristics
The SM 321; DI 16 x 24 VDC High Speed has the following salient features:
• 16 inputs, isolated in groups of 16
• 24 VDC rated input voltage
• Suitable for switches and two / three / four-wire BEROs (proximity switches).
• Supports clocked operation
Terminal assignment and block diagram of the SM 321;
DI 16 x 24 VDC High Speed
Status display – green
Channel number
Backplane bus
interface
M
24 V
Figure 3-5 Module view and block diagram of the SM 321; DI 16 x 24VDC High Speed