Procom 4IOS - Manual (Page 3)

Data Sheet
4IOS
Multifunction I/O Module
tivated; this means that an appropriate signal will be outputted when
an error occurs.
3. In PA and intercom systems the function e.g. “Alarm input” [Alar-
meingang]
(also binary coded)
These are configured through available programmes in the firmware ICS or speci-
fied modes of operation.
Function Description:
The principle functions are illustrated in the following block diagram.
4IOS
-48V
+0V
S
t
e
u
e
r
u
n
g
KS
+5V
GND
-5V
BUS
P
C
M
Satz 1
Satz 4
I
I/
O
Al
I
I/
O
Al
I/O
-48V
-OK
OK
OK'
-48V
-OK
OK
OK'
ak
mk
rk
ak
mk
rk
0V
0V 0V
U>12V
t>x
U>12V
t>x
C
O
N
T
R
O
L
Set 1
Set 4
Block diagram 4IOS
The 4IOS consists essentially of a control unit and the 4 independent sets.
Each set is equipped with a relay and 2 opto-couplers.
The relay makes available a floating switch contact.
Date: 13.03.2009 Page: 3/8 Author: HS Document-No.: DB_4IOS_2804_01
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