Siemens SIMATIC TOP connect Manual page 93

Connecting terminals in
Spring-loaded terminal system: 6ES7921-3AA20-0AA0
Screw-type system: 6ES7921-3AB20-0AA0
Figure B-4 6ES7921-3AA20-0AA0 / 6ES7921-3AB20-0AA0
Front connector module 6ES7921-3AC00-0AA0 / 6ES7921-3AD00-0AA0
For S7-300 / ET200M, 2 A digital 1 x 8 A
Front connector module with potential supply
Connecting terminals in
Spring-loaded terminal system: 6ES7921-3AC00-0AA0
Screw-type system: 6ES7921-3AD00-0AA0
Figure B-5
Front connector module 6ES7921-3AF00-0AA0 / 6ES7921-3AG00-0AA0
For S7-300 / ET200M, analog 20-pin I/O module
Front connector module with potential supply
System cabling for S7-300
Manual, 09/2018, 70327045899
6ES7921-3AC00-0AA0 / 6ES7921-3AD00-0AA0
Circuit diagrams
B.1 Front connector modules S7-300
93