Siemens SIMATIC User Manual

Digital modules
3.1 Module overview
S7-300 Module data
56 Manual, 06/2017, A5E00105505-AJ
3.1.4 Digital IO modules
Overview of properties
The table below shows the essential properties of digital IO modules
Table 3- 8 Digital IO modules
Properties
Module
SM 323; DI 16/DO 16 x
DC 24 V/ 0,5 A
(-1BL00-)
SM 323; DI 8/DO 8 x
DC 24 V/0,5 A
(-1BH01-)
SM 327; DI 8/DX 8 x
DC 24 V/0,5 A,
Programmable
(-1BH00-)
Number of inputs 16 inputs, electrically isolat-
ed in groups of 16
8 inputs, electrically isolated
in groups of 8
8 digital inputs, plus 8 sepa-
rately programmable in-
puts/outputs, electrically
isolated in groups of 16
Number of outputs 16 outputs, electrically iso-
lated in groups of 8
8 outputs, electrically isolat-
ed in groups of 8
Rated input voltage 24 VDC 24 VDC 24 VDC
Output current
0.5 A
0.5 A
0.5 A
Rated load voltage
24 VDC
24 VDC
24 VDC
Inputs suitable for...
Switches and 2-/3-/4-wire proximity switches (BEROs).
Outputs suitable for...
solenoid valves, DC contactors and signal lamps
Supports isochronous mode
no
no
no
Programmable diagnostics
no
no
no
Diagnostic interrupt
no
no
no
Edge-triggered hardware inter-
rupt
no no no
Programmable input delay
no
no
no
Substitution value output
no
no
no
Special features - 8 individually configurable
input or outputs;
Reading back of inputs is
possible, for example, for
diagnoses

Siemens SIMATIC Specifications

General

Brand	Siemens
Model	SIMATIC
Category	Control Unit
Language	English