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Bosch ISP-EM55FM-120 Quick Installation Manual page 2

Lsn 2 zone expander module, recessed mounting

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9 |
4
Internal EOL 12.1 kΩ resistors,
already onboard
2-wire connection (shielded)
Use a 2-wire connection with a shielded
cable with a maximum length of 500 m and
an external EOL resistor (e.g. for lock con-
tacts).
Connect shielding only to the zone expander
module.
Use one ferrite bead per shielding.
12 |
Technical data
Electrical
Minimum operating voltage in
10
VDC
Maximum operating voltage in
33
VDC
Maximum current consump-
0.6
tion in mA
Number of primary lines
2
Terminal resistance in KΩ
12.1
Mechanical
Dimension in cm (Ø x D)
7.6 x 2.5
Housing material
ABS
Color
RAL 9002
Weight in g
54 g
10 |
2
2
aLSN2
aLSN1
bLSN2
bLSN1
LSN
LSN
0V
0V
+U
+U
I4
I3
I5
I2
I6
bLSN2
+U
aLSN2
I1
I7
1
bLSN1
0V
aLSN1
3
RE1
RE2
RE1
RE2
II1
II7
PL2
PL1
II2
II6
II5
II3
II4
4
R
R
Element
Description
1
Terminal for fed-through voltage sup-
ply
13 |
Environmental
Minimum operating temperat-
0
ure in °C
Maximum operating temperat-
50
ure in °C
Protection class
IP40
Security level
IK04
Environmental class
II
11 |
2
LSN connection
3
Ferrite bead (not part of the delivery);
approved: Wuerth # 74270017
4
2-wire connections, e.g. lock contacts
DIP switch settings for LSN improved mode
On
O
O
N
D I P
1
2
3
4
5
6
7
8
DIP switch settings for LSN classic mode
On
O
O
N
D I P
7
8
1
2
3
4
5
6
14 |
ISP-EM55FM-120 LSN 2 Zone Expander
Module, Recessed Mounting
en Quick Installation Guide
Bosch Sicherheitssysteme GmbH
Robert-Bosch-Ring 5
85630 Grasbrunn
Germany
www.boschsecurity.com
© Bosch Sicherheitssysteme GmbH, 2016
| 2016.08 | 10 | F.01U.318.467

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