EasyManuals Logo

Siemens Simatic M7-400 User Manual

Siemens Simatic M7-400
638 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #180 background imageLoading...
Page #180 background image
Digital Modules
4-58
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
Technical Specifications of the SM 421; DI 32 120 VUC
Dimensions and Weight
Dimensions W H D (mm) 25 290 210
Weight Approx. 600 g
Data for Specific Module
Number of inputs 32
Length of cable
Unshielded
Shielded
600 m
1000 m
Voltages, Currents, Potentials
Rated load voltage L+ 79 to 132 VAC
80 to 132 VDC
Reverse polarity protection Yes
Number of inputs that can be
triggered simultaneously
32
Isolation
Between channels and
backplane bus
Yes
Between the channels Yes
In groups of 8
Permitted potential difference
Between M
internal
and the
inputs
120 VAC
Between the inputs of the
different groups
250 VAC
Insulation tested with 1500 VAC
Current consumption
From the backplane bus Max. 0.2 A
Power dissipation of the
module
Typ. 6.5 W
Status, Interrupts, Diagnostics
Status display Green LED per
channel
Interrupts None
Diagnostic functions None
Data for Selecting a Sensor
Input voltage
Rated value
For signal “1”
For signal “0”
120 VUC
79 to 132 VAC
80 VDC to 132 VDC
0 to 20 V
Frequency range 47 to 63 Hz
Input current
At signal “1”
At signal “0”
2 mA to 5 mA
0 to 1 mA
Input delay
At “0” to “1”
At “1” to “0”
5 to 25 ms
5 to 25 ms
Input characteristic curve To IEC 61131; type 1
Connection of two-wire BEROs
Permitted bias current
Possible
Max.1 mA

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Siemens Simatic M7-400 and is the answer not in the manual?

Siemens Simatic M7-400 Specifications

General IconGeneral
BrandSiemens
ModelSimatic M7-400
CategoryComputer Hardware
LanguageEnglish

Related product manuals