Siemens 6ES7321-1BH01-0AA0 digital module Used
Supply voltage
Load voltage L +:
- Rated value (DC) 24 V
- Allowable range, lower limit (DC current) 20.4 V
- Permissible range, upper limit (DC current) 28.8 V
Input current
- from the bus on the rear rack 5 V DC. current, max. 10 mA
Power
Normal power dissipation is 3.5 W
Digital inputs
- The number of entrances is 16
- Input characteristics according to IEC 61131, type 1 Yes
The number of simultaneously enabled inputs
horizontal mounting position
- up to 40 ° C, max. 16
- up to 60, max. 16
vertical mounting position
- up to 40 ° C, max. 16
Input voltage
Type of DC input voltage. current
Nominal value (DC current) 24 V
for signal "0" from -30 to +5 V
for signal "1" from 13 to 30 V
Input current
for signal "1", typ. 7 mA
Delay at the input (at the nominal value of the input voltage)
for standard inputs
- from "0" to "1", min. 1.2 ms
- from "0" to "1", max. 4.8 ms
- from "1" to "0", min. 1.2 ms
- from "1" to "0", max. 4.8 ms
Wire length
shielded, max. 1,000 m
unshielded, max. 600 m
Sensors
sensors are connected
2-wire sensor Yes
- max. permissible quiescent current (2-wire sensor) 1.5 mA
Clock synchronization
Clock synchronization mode (execution before terminal synchronization) None
Emergency signals / diagnostics / status information
Diagnostic functions None
Emergency signals
Diagnostic signal None
Process alarm None
Diagnostic LED indicator
Digital input status indicator (green) Yes
Galvanic isolation
Galvanic isolation of digital inputs
- between channels None
- between channels, in blocks for 16
- between the channels and the tire on the back wall Yes; optocoupler pair
Insulation
Insulation tested with 500 VDC. current
connection
A 20-pole front plug is required
Dimensions
Width 40 mm
Height 125 mm
Depth 120 mm
The masses
Weight, approx. 200 g
