Table of contents
Preface ................................................................................................................................................... 3
1
Documentation guide .............................................................................................................................. 6
2
Product overview .................................................................................................................................... 8
2.1
Properties .................................................................................................................................. 8
3
Wiring ................................................................................................................................................... 10
4
Address space ...................................................................................................................................... 12
4.1
Address space ........................................................................................................................ 12
5
Diagnostic alarms ................................................................................................................................. 16
5.1
Status and error displays ........................................................................................................ 16
6
Technical specifications ........................................................................................................................ 18
A
Dimensional drawing ............................................................................................................................. 21
B
Open Source Software .......................................................................................................................... 23
DI 16x230VAC BA Digital Input Module (6ES7521-1FH00-0AA0)
Manual, 07/2014, A5E03485975-AC
5