Digital modules
3.38 Digital IO module SM 323; DI 8/DO 8 x DC 24 V/0.5 A; (6ES7323-1BH01-0AA0)
S7-300 Module data
230 Manual, 06/2017, A5E00105505-AJ
Output voltage
• "1" signal
min. L + (- 0.8 V)
• "1" signal
Rated value
0.5 A
5 mA to 0.6 A
• "0" signal (residual current)
Max. 0.5 mA
Output delay (resistive load)
• "0" to "1" transition
• "1" to "0" transition
Max. 100 μs
Max. 500 μs
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
Switching frequency
• with resistive load
• with inductive load to IEC 947-5-1, DC 13
• with lamp load
max. 100 Hz
max. 0.5 Hz
max. 10 Hz
Internal limiting of the inductive shutdown voltage to
Short circuit-proof output
• Threshold
typ. 1 A
using a 20-pin front connector