SIMATIC S7-300 – SM 323 Digital Input / Output Modules – Siemens Digital Modules

USD $ 172.72 – USD $ 778.68

SKU: N/A

Digital input/output modules are suitable for connecting

  • Switches and 2-wire proximity switches (BEROs)
  • Solenoid valves, contactors, small-power motors, lamps and motor starters.

Siemens Digital Input/Output Modules SIMATIC S7-300 Product Specifications:

Article number 6ES7323-1BH01-0AA0 6ES7323-1BL00-0AA0
SM323, 8DI/8DO, DC24V, 0,5A SM323, 16DI/DO, DC24V, 0,5A
Supply voltage
Load voltage L+
● Rated value (DC) 24 V 24 V
● permissible range, lower limit (DC) 20.4 V 20.4 V
● permissible range, upper limit (DC) 28.8 V 28.8 V
Input current
from load voltage L+ (without load), max. 40 mA 80 mA
from backplane bus 5 V DC, max. 40 mA 80 mA
Power loss
Power loss, typ. 3.5 W 6.5 W
Digital inputs
Number of digital inputs 8 16
Input characteristic curve in accordance with IEC 61131, type 1 Yes Yes
Number of simultaneously controllable inputs
horizontal installation
— up to 40 °C, max. 16
— up to 60 °C, max. 8 8
vertical installation
— up to 40 °C, max. 8 16
Input voltage
● Type of input voltage DC DC
● Rated value (DC) 24 V 24 V
● for signal “0” -30 to +5 V -30 to +5 V
● for signal “1” 13 to 30V 13 to 30V
Input current
● for signal “1”, typ. 7 mA 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— at “0” to “1”, min. 1.2 ms 1.2 ms
— at “0” to “1”, max. 4.8 ms 4.8 ms
— at “1” to “0”, min. 1.2 ms 1.2 ms
— at “1” to “0”, max. 4.8 ms 4.8 ms
Cable length
● shielded, max. 1 000 m 1 000 m
● unshielded, max. 600 m 600 m
Digital outputs
Number of digital outputs 8 16
Short-circuit protection Yes Yes
● Response threshold, typ. 1 A 1 A
Limitation of inductive shutdown voltage to L+ (-53 V) L+ (-48 V)
Controlling a digital input Yes Yes
Switching capacity of the outputs
● on lamp load, max. 5 W 5 W
Load resistance range
● lower limit 48 Ω 48 Ω
● upper limit 4 kΩ 4 kΩ
Output voltage
● for signal “1”, min. L+ (-0.8 V) L+ (-0.8 V)
Output current
● for signal “1” rated value 0.5 A 0.5 A
● for signal “1” permissible range, min. 5 mA 5 mA
● for signal “1” permissible range, max. 0.6 A 0.6 A
● for signal “1” minimum load current 5 mA 5 mA
● for signal “0” residual current, max. 0.5 mA 0.5 mA
Output delay with resistive load
● “0” to “1”, max. 100 µs 100 µs
● “1” to “0”, max. 500 µs 500 µs
Parallel switching of two outputs
● for uprating No No
● for redundant control of a load Yes; only outputs of the same group Yes; only outputs of the same group
Switching frequency
● with resistive load, max. 100 Hz 100 Hz
● with inductive load, max. 0.5 Hz 0.5 Hz
● with inductive load (acc. to IEC 60947-5-1, DC13), max. 0.5 Hz
● on lamp load, max. 10 Hz 100 Hz
Total current of the outputs (per group)
horizontal installation
— up to 40 °C, max. 4 A 4 A
— up to 60 °C, max. 4 A 3 A
vertical installation
— up to 40 °C, max. 4 A 2 A
Cable length
● shielded, max. 1 000 m 1 000 m
● unshielded, max. 600 m 600 m
Encoder
Connectable encoders
● 2-wire sensor Yes Yes
— permissible quiescent current (2-wire sensor), max. 2 mA 1.5 mA
Interrupts/diagnostics/status information
Alarms No No
Diagnostics function No No
Diagnostics indication LED
● Status indicator digital input (green) Yes Yes
● Status indicator digital output (green) Yes Yes
Potential separation
Potential separation digital inputs
● between the channels Yes Yes
● between the channels, in groups of 8 16
● between the channels and backplane bus Yes; Optocoupler Yes; Optocoupler
Potential separation digital outputs
● between the channels Yes Yes
● between the channels, in groups of 8 8
● between the channels and backplane bus Yes; Optocoupler Yes; Optocoupler
Isolation
Isolation tested with 500 V DC 500 V DC
connection method / header
required front connector 20-pin 40-pin
Dimensions
Width 40 mm 40 mm
Height 125 mm 125 mm
Depth 120 mm 120 mm
Weights
Weight, approx. 220 g 260 g
Weight N/A
Dimensions N/A

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