Siemens SIMATIC User Manual

Digital modules
3.1 Module overview
S7-300 Module data
Manual, 06/2017, A5E00105505-AJ
49
3.1 Module overview
Introduction
The tables below summarize the essential properties of the digital modules. This overview
supports you in selecting a module to suit your requirements.
3.1.1 Digital input modules:
Overview of properties
The table below shows essential properties of the digital input modules
Table 3- 1 Digital input modules:
Properties
Module
SM 321;
DI 64 x 24V; Sink-
ing/Sourcing
SM 321;
DI 32 x DC24V
SM 321;
DI 32 x AC120V
SM 321;
DI 16 x DC24V
(-1BP00-)
(-1BL00-)
(-1EL00-)
(-1BH02-)
Number of inputs 64 DO; isolated in
groups of 16
32 DI; isolated in
groups of 16
32 DI; isolated in
groups of 8
16 DI; isolated in
groups of 16
Rated input voltage 24 VDC 24 VDC 120 VAC 24 VDC
Suitable for...
-
2-wire, 3-wire and 4-wire proximity switches (BEROs)
Supports isochronous
mode
No No No No
Programmable
diagnostics
No No No No
Diagnostic interrupt
No
No
No
No
Edge-triggered hard-
ware interrupt
No No No No
Adjustable input de-
lays
No No No No
Special features
-
-
-
-

Siemens SIMATIC Specifications

General

Product type designation	SIMATIC
CPU	Varies by model
Memory	Varies by model
Input/Output	Varies by model
Communication	Varies by model
Programming Language	STEP 7
Operating Temperature	0°C to 60°C (varies by model)
Protection Class	IP20
Category	Programmable Logic Controller (PLC)