Assa Abloy 1384 - I;O Extension Module 901-20

21
Device 1385 can be extended with E/A Extension Module 901-20 to
include further switching operations.
Circuit diagram
I/O Extension
Module
901-20
1 2
3
4
5 6
7
8 9 10
11 12
13
14
15 16
17
18 19 20
21 22
23
24
25 26
27
28
1 2 3 4 5 6 7 8
ON OFF
F1
0,5AT
F2
0,5AT
K2
Potential-free relay contact
Load capability max. 24V / 2A
Potential-free relay contact
Load capability max. 24V / 2A
Code switch for the adjusting
of the Bus-Adress of the unit
K1
D
LED
green
LED
yellow
E1 E2
E3 E4
E5 E6
E7
E8
A1 A2
A3
A4
12 V battery or12 V DC, controlled
12 V DC ±10 %, residual ripple max. 50 %
12 V AC ±10 %
Only at terminal 1 and 2: 24 V DC, controlled
ON
1 2 3
4 5
6
7
8
2
0
2
1
2
2
2
3
2
4
2
5
2
6
64
32
16
8
4
2
1
Switch 8 has to be
in the ON position.
Power supply
E1-E8 = Inputs/ Signal = Low Active (0V)
A1-A4 = Outputs - Open Collector / mass switching (0V)
(Note voltage drop!)
K1 = Potential-free relay output
Load capability max. 24V / 2A (resistive load)
K2 = Potential-free relay output
Load capability: max. 24V / 2A (resistive load)
Note:
Connect only one power
supply