Siemens SIMATIC Manual page 107

Technical specifications
Sensor selection data
Input voltage
•
Rated value
•
"1" signal
•
"0" signal
•
Frequency band
Input current
•
"1" signal
•
"0" signal
Input delay
•
"0" to "1" transition
•
"1" to "0" transition
Input characteristics
Connection of 2-wire BEROs
•
Permissible quiescent current
Wiring of the signal sensors
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
3.14 Digital input module SM 321; DI 16 x UC 24/48 V; (6ES7321-1CH00-0AA0)
24 VDC/VAC or 48 VDC/VAC
14 V to 60 V
-5 V to 5 V
0 Hz to 63 Hz
typ. 2.7 mA
-1 mA to +1 mA
max. 16 ms
max. 16 ms
to IEC 61131, type 1
supported
max. 1 mA
using a 40-pin front connector
Digital modules
107