Design, Functions And Operation - Siemens SIMATIC S5-95F Manual

2

Design, Functions and Operation

This chapter contains information on the design and principle of operation of the S5-95F.
2.1
Basic System Design - without External 1/0s
The following section discusses the basic unit without expansions. The basic unit has inputs and
outputs available on board.
Basic Unit
EWA0234S
2 Front connectors for digital inputs
(1 32.0 to I 33.7) and
for digital outputs (Q 32.0 to Q 32.7; Q 33.0 to
Q 33.3 or Q 34.o to Q 34.3)
3 Battety failure display
4 switch
5 LED display for digital inputs and outputs
6 Power supply terminals
7 Connector for S5-IOOU bus units
(not visible)
Figure 2-1.
EWA 4NEB 8126210-02
Design, Functions and Operation
RUN
STOP
RUN
STOP
\
8 Yellow error LEDs
9 Connector for fiber optic cable
Displays for operating mode: green LED + RUN;
IO
red LED + STOP
11 Operating mode selector switch
12 DIP switch for subunit identification
13 Receptacle for memory submodule
Serial interface for programmer (PG), text display (TD),
14
operator panel (OP) or SINEC L1 LAN
for counter inputs (IW 36, IW 38)
9
10
11
2-1