Digital modules
3.15 Digital input module SM 321; DI 8 x 120/230 VAC (6ES7321-1FH01-0AA0)
S7-300 Automation System Module data
3-44 Manual, 08/2006, A5E00105505-04
Technical data
Voltages, currents, electrical potentials
Number of simultaneously controlled inputs
• horizontal mounting position
up to 60 °C
8
• vertical mounting position
up to 40 °C
8
Electrical isolation
• between channels and the backplane bus
Yes
• between channels
in groups of
Yes
2
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. 11 mA
Input delay
• at "1" to "0"
• at "1" to "0"
max. 25 ms
max. 25 ms
Input characteristics to IEC 61131, type 1
Connection of 2-wire BEROs
• Permissible quiescent current
supported
max. 2 mA
Wiring signal transducers with 20-pin front connector
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