SIMATIC S7-300, Digital module SM 323, isolated, 16 DI and 16 DO, 24 V DC, 0.5 A, Total current 4A, 1x 40-pole

SIMATIC S7-300, Digital module SM 323, isolated, 16 DI and 16 DO, 24 V DC, 0.5 A, Total current 4A, 1x 40-pole

Category: SIEMENS Simatic Control Systems Available
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Description

Supply voltage
Load voltage L+
● Rated value (DC) 24 V
● permissible range, lower limit (DC) 20.4 V
● permissible range, upper limit (DC) 28.8 V
Input current
from load voltage L+ (without load), max. 80 mA
from backplane bus 5 V DC, max. 80 mA
Power loss
Power loss, typ. 6.5 W
Digital inputs
Number of digital inputs 16
Input characteristic curve in accordance with IEC 61131, type 1 Yes
Number of simultaneously controllable inputs
horizontal installation
— up to 40 °C, max. 16
— up to 60 °C, max. 8
vertical installation
— up to 40 °C, max. 16
Input voltage
● Type of input voltage DC
● Rated value (DC) 24 V
● for signal "0" -30 to +5 V
● for signal "1" 13 to 30V
Input current
● for signal "1", typ. 7 mA
Input delay (for rated value of input voltage)
for standard inputs
— at "0" to "1", min. 1.2 ms
— at "0" to "1", max. 4.8 ms
— at "1" to "0", min. 1.2 ms
— at "1" to "0", max. 4.8 ms
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Digital outputs
Number of digital outputs 16
Short-circuit protection Yes
● Response threshold, typ. 1 A
Limitation of inductive shutdown voltage to L+ (-48 V)
Controlling a digital input Yes
Switching capacity of the outputs
● on lamp load, max. 5 W
Load resistance range
● lower limit 48 !&
● upper limit 4 k!&
Output voltage
● for signal "1", min. L+ (-0.8 V)
Output current
● for signal "1" rated value 0.5 A
● for signal "1" permissible range, min. 5 mA
● for signal "1" permissible range, max. 0.6 A
● for signal "1" minimum load current 5 mA
● for signal "0" residual current, max. 0.5 mA
Output delay with resistive load
● "0" to "1", max. 100 µs
● "1" to "0", max. 500 µs
Parallel switching of two outputs
● for uprating No
● for redundant control of a load Yes; only outputs of the same group
Switching frequency
● with resistive load, max. 100 Hz
● with inductive load, max. 0.5 Hz
● on lamp load, max. 100 Hz
Total current of the outputs (per group)
horizontal installation
— up to 40 °C, max. 4 A
— up to 60 °C, max. 3 A
vertical installation
— up to 40 °C, max. 2 A
Cable length
● shielded, max. 1 000 m
● unshielded, max. 600 m
Encoder
Connectable encoders
● 2-wire sensor Yes
— permissible quiescent current (2-wire sensor), max. 1.5 mA
Interrupts/diagnostics/status information
Alarms No
Diagnostics function No
Diagnostics indication LED
● Status indicator digital input (green) Yes
● Status indicator digital output (green) Yes
Potential separation
Potential separation digital inputs
● between the channels Yes
● between the channels, in groups of 16
● between the channels and backplane bus Yes; Optocoupler
Potential separation digital outputs
● between the channels Yes
● between the channels, in groups of 8
● between the channels and backplane bus Yes; Optocoupler
Isolation
Isolation tested with 500 V DC
connection method
required front connector 40-pin
Dimensions
Width 40 mm
Height 125 mm
Depth 120 mm
Weights
Weight, approx. 260 g
Classifications
 
  Version Classification
eClass 14 27-24-22-04
eClass 12 27-24-22-04
eClass 9.1 27-24-22-04
eClass 9 27-24-22-04
eClass 8 27-24-22-04
eClass 7.1 27-24-22-04
eClass 6 27-24-22-04
ETIM 10 EC001419
ETIM 9 EC001419
ETIM 8 EC001419
ETIM 7 EC001419
IDEA 4 3566
UNSPSC 15 32-15-17-05
Approvals / Certificates
General Product Approval

Manufacturer Declaration

EU declaration of conformity

UK Declaration of Conformity

Miscellaneous

UL

RCM

EMV For use in hazardous locations

EU declaration of conformity

UK Declaration of Conformity

RCM

ATEX

FM

UL

For use in hazardous locations Maritime application

IECEx

Miscellaneous

ATEX

CCC-Ex

ABS (American Bureau of Shipping)

DNV (Det Norske Veritas)

Maritime application

LR (Lloyds Register)

NK / Nippon Kaiji Kyokai

PRS (Polski Register of Shipping)

RINA (Registro Italiano Navale)

CCS (China Classification Society)

 

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