Siemens SIMATIC Manual page 66

Digital modules
3.6 Digital input module SM 321; DI 64 x DC 24 V, sinking/sourcing; (6ES7321-1BP00-0AA0)
Technical specifications of SM 321; DI 64 x DC 24 V, Sinking/Sourcing
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
•
Horizontal installation
to 40 °C
to 60 °C
•
Vertical installation
to 40 °C
Electrical isolation
•
between channels and the backplane bus
•
Between channels
in groups of
Isolation test voltage
Current consumption
•
from the backplane bus
Power loss of the module
Status, interrupts, diagnostics
Status display
Interrupts
Diagnostic functions
66
40 x 125 x 112 (including protective barrier, re-
quired for connections which are not in use)
ca. 230 g
No
64
max. 600 m
max. 1000 m
64
32 (50% derating per group)
32 (50% derating per group)
Yes
Yes
16
500 VDC
Max. <100 mA
Typ. 7 W
Green LED (per channel)
none
none
Manual, 06/2017, A5E00105505-AJ
S7-300 Module data