Siemens SIMATIC Manual page 106

Digital modules
3.14 Digital input module SM 321; DI 16 x UC 24/48 V; (6ES7321-1CH00-0AA0)
SM 321; DI 16 x UC 24/48 V - Technical specifications
Technical specifications
Dimensions and weight
Dimensions W x H x D
Weight
Module-specific data
Supports isochronous mode
Number of inputs
Cable length
•
unshielded
•
shielded
Voltages, currents, electrical potentials
Number of simultaneously controlled inputs
•
horizontal mounting position up to 60 °C
•
other mounting positions up to 40 °C
Electrical isolation
•
Between channels and the backplane bus
•
between channels
In groups of
Maximum potential difference
•
Between channels and the backplane bus
•
between inputs of different groups
Isolation test voltage
•
Between channels and the backplane bus
•
between inputs of different groups
Current consumption
•
from the backplane bus
Power loss of the module
•
Operation with 24 V
•
Operation with 48 V
Status, interrupts, diagnostics
Status display
Interrupts
Diagnostic functions
106
40 x 125 x 117
ca. 260 g
no
16
max. 600 m
max. 1000 m
16
16
Yes
Yes
1
170 VDC, 120 VAC
170 VDC, 120 VAC
1500 VAC
1500 VAC
100 mA max.
typ. 1.5 W
typ. 2.8 W
green LED per channel
none
none
Manual, 06/2017, A5E00105505-AJ
S7-300 Module data