Dimension drawings
A.1
Front connector modules
Front connector modules 6ES7921-3AA20-0AA0 and 6ES7921-3AB20-0AA0
Front connector modules for digital 32 I/O modules of S7-300:
● 6ES7921-3AA20-0AA0 spring-loaded terminals
● 6ES7921-3AB20-0AA0 screw-type terminals
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Front connector module 6ES7921-3AK20-0AA0
Front connector module for compact CPU 312C for terminal X1:
● 6ES7921-3AK20-0AA0 screw-type terminals
System cabling for S7-300
Manual, 09/2018, 70327045899
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A
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