Siemens Simatic s7-1500 Manual page 22

Technical specifications
Permitted potential difference
Between different circuits
Isolation
Isolation tested with
Ambient conditions
Ambient temperature during operation
Horizontal mounting position, min.
Horizontal mounting position, max.
Vertical mounting position, min.
Vertical mounting position, max.
Distributed mode
Prioritized startup
Dimensions
Width
Height
Depth
Weights
Weight, approx.
22
6ES7521-1FH00-0AA0
250 V AC between the channels and the back-
plane bus; 500 V AC between the channels
3100 V DC
0 °C
60 ℃
0 °C
40 °C
Yes
35 mm
147 mm
129 mm
300 g
DI 16x230VAC BA Digital Input Module (6ES7521-1FH00-0AA0)
Manual, 09/2016, A5E03485975-AD