Control Terminal Wiring - Bosch DS7400Xi Reference Manual

3.0

Control Terminal Wiring

Before servicing, remove all power
including the transformer, battery and
phone line. A complete functional test
is required after any programming.
WARNING
Incorrect connections may
result in damage to the unit.
CAUTION
System is Power Limited except for
battery terminals. All wiring entering
this enclosure must be power limited.
A/C Power Indication LED
EARTH GROUND:
1
a good earth ground such as a cold water
pipe and also connected to the cabinet cover,
2
using the supplied wire jumper.
A/C INPUT:
3
A
VA, class 2 transformer. Model TR-1850
requires 50/60 Hz. unswitched dedicated
C
4
outlet - do not share.
ALARM OUTPUT:
5
–
Provides 12 VDC, special application, up to
1.75 A for powering bells, siren drivers, etc.
6 A
Function programmed in address 2734.
– AUXILIARY POWER:
7
Provides 12 VDC, special application, up to
1.0 A for powering detectors.
8
+
R
O
OPTION BUS:
P
B
Used for options such as the DS7416i
T
Communications Module, the DS7420i Dual
I
G
O
Phone Line Module, etc.
Y
N
Also for keypads #11 - #15.
For Commercial Fire Mode: Option Bus wiring
should be in conduit if run ouside the
enclosure.
KEYPAD BUS*:
Up to 15 keypads**
may be used. Can be
"home-run" or
"daisy-chained."
R B
9 10
Keypad
(#1 - #10)
Keypad
(#1 - #10)
* = Maximum wire length each: 1000 ft. (305 m).
Maximum wire length total in system: 6000 ft. (1830 m) when using
#22 AWG (0.8 mm) or #18 AWG (1.0 mm) cable.
** = Keypads #1 - #10 connect to the Keypad Bus and keypads #11 - #15
connect to the Option Bus.
Page 10 P/N: F01U035325-01
Must be connected to
Use U. L. listed, 18 VAC 50
PHONE LINE:
T TH RH R
G Y G B S R
1 12 13 14 15 16
NOTE
Copyright © 2007 Bosch Security Systems, Inc.
TYPICAL BURGLAR AND FIRE WIRING
Zone Loop + Zone
Input Input
Z– L+
NO
NC
Typical 2-wire
Typical burglar
smoke detector
alarm loop wiring
compatible 2-wire
smoke detectors,
see Technical Service
Note P/N 27685)
An appropriate two pole disconnect device must be installed
by qualified service personnel, as part of the building installation.
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace with the same or equivalent type
recommended by the manufacturer.
CAUTION
Dispose of used batteries according to the
manufacturer's instructions.
PROGRAMMABLE OUTPUTS:
PO1 shorts to aux. power negative when activated, PO1 can sink up to 1.0 A.
PO1 function programmed in address 2735.
PO2 supplies 12 V and up to 500 mA when activated.
PO2 function programmed in address 2736.
ZONES 1-8:
Open or Normally Closed alarm contacts. They may also be used
for compatible 2-wire smoke detectors. These zones require a
2.21k resistor (P/N 25899) at the end of the loop. Power is
momentarily removed from L+ after a [PIN] + [System Reset] or
during a fire verification.
Zone 1-8 assignments are programmed in address 0031-0038.
PO1 PO2 1– L+ 2–
17 18 19 20 21
Shared cable is not recommended for keypad,
multiplex, options bus, telephone, or siren wiring.
Loop + Zone Loop +
Input or PO2
Z– L+ Z– L+
in
+
Power
in
+
Power
wiring
(for a list of
End-of-Line
Supervision Relay
(e.g. Detection Systems'
EOL200)
Typical 4-wire smoke
detector wiring.
For example:
Detection Systems'
DS250 in an MB4W base.
Zones 1-8 are intended for connection of Normally
3– L+ 4– 5– L+
22 23 24 25 26
DS7400Xi (4+) Reference Guide
Aux. Power (—)
(terminal 5 or 7)
–
out
+
–
Alarm
out
+
–
Alarm
6– 7– L+ 8–
27 28 29 30