Siemens SPCK421 Especificaciones Pagina 37

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Controller hardware
7
37
Siemens AB
A6V10276959
Security Products
18.11.2011
6
Auxiliary 12 V output
The SPC controller provides an auxiliary 12 V DC output that can be
used to supply power to expanders and devices such as latches, bells,
etc. See page [➙ 269]. The maximum deliverable current is 750 mA.
Please Note: The amount of current drawn is subject to the amount of
time to be held up under battery conditions.
7
X-BUS interface
This is the SPC communications bus used to network expanders
together on the system. See page [➙ 40]. SPC4000 only has 1 X-BUS
interface.
8
On-board outputs
Outputs OP4, OP5, and OP6 are 12 V open collector resistive outputs
that share a 400 mA current rating with the auxiliary 12 V output. If the
outputs are not connected to the 12 V of the controller and are powered
from an external power source the 0 V of the power source needs to be
connected to the controller 0 V and the external power source cannot
exceed 12 V.
9
Relay output
The SPC controller provides a 1 A, single-pole, changeover relay that
can be used to drive the strobe output on the external bell.
10
Internal bell / external
bell
Internal and external bell outputs (INT+, INT-, EXT+, EXT-) are resistive
outputs with a 400 mA current rating. The BHO (Bell Hol d Off), TR
(Tamper Return), and EXT outputs are used to connect an external bell
to the controller. The INT+ and INT- terminals are used to connect to
internal devices such as an internal sounder. See page [54].
11
Zone inputs
The controller provides 8 on-board zone inputs that can be monitored
using a variety of supervision configurations. These configurations can
be programmed from system programming. The default configuration is
Dual End of Line (DEOL) using resistor values of 4K7. See page [➙ 51].
12
Tamper terminals
The controller provides 2 additional tamper input terminals that can be
connected to auxiliary tamper devices to provide increased tamper
protection. These terminals should be shorted when not in use.
13
Serial port 2 terminal
block
4000
Serial port 2 terminal block (TX, RX, GND) may be used to interface to
an external modem or PC terminal program. Serial port 2 shares a
communications channel with the back-up modem. If a back-up modem
is installed, ensure that no devices are connected to this serial port.
14
Ethernet connectivity
LEDs
The 2 Ethernet LEDs indicate the status of the Ethernet connection. The
left LED indicates data activity on the Ethernet port; the right LED
indicates the Ethernet link is active.
15
Ethernet interface
The Ethernet interface provides for the connection of a PC to the
controller for the purposes of programming the system.
16
USB interface
This USB interface is used to access browser programming or a terminal
program.
17
Serial port 2
4000
This RS232 serial port may be used to interface to an external modem or
PC terminal program. Serial port 2 shares a communications channel
with the back-up modem. If a back-up modem is installed, ensure no
devices are connected to this serial port.
18
Serial port 1
This RS232 serial port may be used to interface to an X10 protocol
device.
19
Optional plug-in
modules
A primary (left slot) and back-up (right slot) module can be connected to
the controller. These modules can be GSM or PSTN modems offering
increased communication functionality. The back-up modem should not
be connected if serial port 2 interface is connected to an external modem
or other device.
20
Front tamper
This on-board front tamper (switch & switch) provides the cabinet tamper
protection.
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