Siemens SIMATIC Manual page 109

SM 321; DI 16 x DC 48-125 V - Technical specifications
Technical specifications
Dimensions and weight
Dimensions W x H x D (mm)
Weight
Module-specific data
Supports isochronous mode
Number of inputs
Cable length
•
unshielded
•
shielded
Voltages, currents, electrical potentials
Number of simultaneously controlled inputs per group at U
•
horizontal mounting position
to 50 °C
to 60 °C
•
vertical mounting position
to 40 °C
Electrical isolation
•
between channels and the backplane bus
•
between channels
in groups of
Maximum potential difference
•
between different circuits
Isolation test voltage
Current consumption
•
from the backplane bus
Power loss of the module
Status, interrupts, diagnostics
Status display
Interrupts
Diagnostic functions
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
3.15 Digital input module SM 321; DI 16 x DC 48-125 V; (6ES7321-1CH20-0AA0)
40 x 125 x 120
ca. 200 g
no
16
max. 600 m
max. 1000 m
to 60 V
I
8
8
8
yes
yes
8
146 VDC / 132 VAC
1500 VDC
max. 40 mA
typ. 4.3 W
green LED per channel
none
none
Digital modules
to 146 V
8
6
8
109