Digital modules
3.23 Digital output module SM 322; DO 8 x DC 24 V/ 2 A; (6ES7322-1BF01-0AA0)
S7-300 Automation System Module data
Manual, 08/2006, A5E00105505-04
3-71
Technical data
Rated load voltage L+ 24 VDC
Cumulative current of outputs (per group)
• horizontal mounting position
up to 60 °C
max. 4 A
• vertical mounting position
up to 40 °C
max. 4 A
Electrical isolation
• between channels and the backplane bus
Yes
• between channels
in groups of
Yes
4
Permissible potential difference
• between different circuits
75 VDC / 60 VAC
Isolation test voltage 500 VDC
Current consumption
• from the backplane bus
• from load voltage L+ (no-load)
max. 40 mA
max. 60 mA
Power loss of the module typ. 6.8 W
Status, interrupts, diagnostics
Status display green LED per channel
Interrupts None
Diagnostics functions None
Actuator selection data
Output voltage
• with "1" signal
min. L+ (-0.8 V)
Output current
• with "1" signal
Rated value
Permissible range
2 A
5 mA to 2.4 A
• with "0" signal (residual current)
max. 0.5 mA
Output delay (resistive load)
• at "1" to "0"
max. 100 μs
• at "1" to "0"
max. 500 μs
Load resistance range 12 Ω to 4 kΩ
Lamp load max. 10 W
Wiring two outputs in parallel
• for redundant load control
supported (only outputs of the same group)
• for performance increase
not supported
Control of a digital input supported
Switching frequency
• with resistive load
max. 100 Hz
• with inductive load to IEC 947-5-1, DC 13
max. 0.5 Hz
• with lamp load
max. 10 Hz
Internal limiting of the inductive shutdown voltage to typ. L + (-48 V)
Short circuit-proof output Yes, electronic
• Threshold
typ. 3 A
Wiring the actuators with 20-pin front connector
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