Installing And Removing The Fm 354 - Siemens SIMATIC S7-300 Manual

Installing and Removing the FM 354

Overview The FM 354 is intended for installation as an I/O module in the SIMATIC
S7-300 programmable logic controller.
Important safety
There are important rules which you must follow when integrating an FM
rules
354 in the S7-300 PLC in a plant or system.
These rules and specifications are described in the manual S7-300 Program-
mable Controller, Hardware and Installation.
Mechanical set–up
The options for the mechanical set–up and its configuration are described in
the manual S7-300 Programmable Controller; Hardware and Installation,
Order No.: 6ES7 030-0AA01-8AA0.
Below, we give only a few supplementary pointers.
Installation
The module should preferably be installed horizontally.
position
In vertical installations, please observe the ambient temperature restrictions
(max. 40 C).
What you should
The FM 354 can be mounted in any of the eight available slots (slots 4 to 11)
know about the
for I/O modules on the mounting rail.
mechanical layout
In configuring the mechanical layout of your controller, you should note the
following rules:
1. No more than eight SMs or FMs per tier (rack).
2. The maximum number of modules is limited by module width and by the
3. The maximum number of modules is limited by the total power that all
Chapter over-
view
3.1
3.2
3.3
FM 354 Servo Drive Positioning Module
length of your DIN rail.
The FM 354 requires an installation width of 80 mm (3.12 inches).
modules to the left of the CPU or IM, as the case may be, consume from
the 5 V backplane bus.
The CPU 314, for example, can supply a maximum of 1.2 A.
The FM 354 requires 100 mA of this amount.
In Section
Installing the FM 354
Removing the FM 354
Replacing modules
you will find
3
on page
3-2
3-3
3-4
3-1