Digital modules
3.14 Digital input module SM 321; DI 16 x 120/230 VAC (6ES7321-1FH00-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-41
Technical data of SM 321; DI 16 x 120/230 VAC:
Technical data
Dimensions and weight
Dimensions W x H x D 40 x 125 x 117
Weight approx. 240 g
Module-specific data
Isochronous mode supported No
Number of inputs 16
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 V
Number of simultaneously controlled inputs
• Horizontal mounting position up to 60 °C
16
• Vertical mounting position up to 40 °C
16
Electrical isolation
• between channels and the backplane bus
Yes
• Between channels
in groups of
Yes
4
Permissible potential difference
• between M
internal
and inputs
230 VAC
• between inputs of different groups
500 VAC
Isolation test voltage 4000 VDC
Current consumption
• from the backplane bus
max. 29 mA
Power loss of the module typ. 4.9 W
Status, interrupts, diagnostics
Status display green LED per channel
Interrupts None
Diagnostics functions None
Transducer selection data
Input voltage
• Rated value
• for "1" signal
• for "0" signal
• Frequency band
120/230 VAC
79 V to 264 V
0 V to 40 V
47 Hz to 63 Hz
Input current
• with "1" signal
120 V, 60 Hz
230 V, 50 Hz
typ. 6.5 mA
typ. 16.0 mA