Siemens SIMATIC - Page 118

Digital modules
3.18 Digital input module SM 321; DI 8 x AC 120/230 V ISOL; (6ES7321-1FF10-0AA0)
S7-300 Module data
118 Manual, 06/2017, A5E00105505-AJ
SM 321; DI 8 x AC 120/230 V ISOL - Technical specifications
Technical specifications
Dimensions and weight
Dimensions W × H × D 40 × 125 × 117
Weight
ca. 240 g
Module-specific data
Supports isochronous mode
no
Number of inputs
8
Cable length
• unshielded
• shielded
max. 600 m
max. 1000 m
Voltages, currents, electrical potentials
Rated load voltage L1
All load voltages must be connected to a common phase
120/230 VAC
Number of simultaneously controlled inputs
• Horizontal mounting position to 60 °C
8
• Vertical mounting position to 40 °C
8
Electrical isolation
• Between channels and the backplane bus
Yes
• between channels
in groups of
Yes
1
Maximum potential difference
• between M
internal
and inputs
230 VAC
• between inputs of different groups
500 VAC
Isolation test voltage
• between M
internal
and inputs
1500 VAC
• between inputs of different groups
2000 VAC
Current consumption
• from the backplane bus
max. 100 mA
Power loss of the module
typ. 4.9 W
Status, interrupts, diagnostics
Status display
green LED per channel
Interrupts
none
Diagnostic functions
none