Brochure

12
ON
delay
Pulse generatorInterval relay,
edge-triggered
Interval relay/
Pulse output
Latching ON
delay
ON/OFF
delay
OFF
delay
The eight basic functions
NOR (or not)
series connection
NC contact
XOR (exclusive or)
2-way changeover
AND (and) series
connection NO
contact
OR (or) parallel
connection NO
contact
NOT (not)
inverter*
NAND (and not)
parallel connection
NC contact
AND with edge
evaluation
(pos. edge)
NAND (and not)
with edge evalua-
tion (neg. edge)
Up to 50% cost savings
■
Replaces many conventional switching
devices
■
Requires less space in the control cabinet
■
Fewer accessories
■
Less storage space
■
Saves on servicing costs because it is free
of wear
Up to 70% time savings
■
Simply snap it onto a standard
mounting rail
■
Low wiring overhead
■
Simple programming using LOGO!
Soft Comfort
■
Use ready-to-use sample programs at
no cost or create and test them on the PC
and quickly transfer them free of errors
■
Automatic daylight-saving adjustment
■
Documentation
Up to 70% space savings
■
4/6 modular widths suffice as a replace-
ment for many relays, time switches, and
contactor relays
■
8 basic and 30/35 special functions
replace many conventional switching
devices
Universally applicable
■
Vibration-proof
■
High electromagnetic compatibility (EMC)
■
Fully industrial-grade
■
For all climatic conditions
■
Radio suppression class B
■
All of the required certifications for
worldwide use
■
Marine approval
LOGO! functions
The special functions
With the eight basic functions and 30 special functions, simple
switching programs can be created quickly – either directly on
the device or via PC. You can find a large selection of example
applications under www.siemens.com/logo
LOGO! pays off
*Binary inputs of function blocks can be negated directly