System extensions
43
Security Products
Alarm box / Input
Alarm input, operating
profile 1
Alarm input, operating
profile 2
Alarm input, operating
profile 3
Box 2 / Input 1
193 - 224
161 -192
129 - 160
Box 2 / Input 2
225 -240
193 - 224
161 -192
Box 2 / Input 3
not used
225 -240
193 - 224
Box 2 / Input 4
not used
not used
225 - 240
Tab. 11
Allocation of pins and alarm inputs
The technical specifications and allocation of the alarm inputs are identical to the alarm input modules
of the SIMATRIX 648.
Config switch
Configuration switch
R
activates an RS422 terminating resistor, used if the alarm
box is the last device in the SysLink bus.
Device address switch
Fig. 28
Rotary device address switch
The rotary switch is used to set a device address. At delivery, the switch is set to
device address 2. If two alarm boxes are used, device address 3 must be set for
the second alarm box.
SysLink connections
Fig. 29
SysLink sockets
The alarm box connects to the basic unit via the SysLink interface. This is an
RS422/RS485 four wire, 307.2 kBaud interface.
The alarm box SysLink interface has one input and one output and allows feed-
through of the SysLink system to additional devices.
SIMNEO-168 Basic
unit
SIMNEO-EXT
Extension bay. When this unit is not used, the basic unit is connected directly to
the first alarm box
SIMNEO-A128 Alarm
box
Siemens AB
