Bosch EA500 User Manual
EA500
Installation Instructions
EN
Transponder
EA500 | Installation Instructions |
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1.0 Overview
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1.0 Overview
The EA500 Transponder is the Security Escort module
that provides communications between the central
console and the many receivers and alert units
throughout the protected area. In addition to its
communications functions, this transponder also
supplies power to the receivers. Each transponder also
includes drivers for a single strobe and siren.
2.0 Specifications
Table 1: Specifications
Enclosure (AE3)
(H x W x D)
Temperature
Range
Power
Power Output
Driver Outputs
Battery Backup
Multiplex Buses
Communications
Interface
Keyswitch Input
Compatibility
Tamper Switch
(option)
52.7 cm x 38.1 cm x 10.8 cm
(20.75 in. x 15 in. x 4.25 in.)
-40°C to +65°C (-40°F to +149°F)
18.0 VAC, 50 VA maximum plug-in
transformer for 110 V, 60 Hz
9 VDC used for SE485 or Proxim
radio power
Strobe: 500 mA solid state sink,
terminal switches to ground in an
alarm condition.
Siren: 500 mA solid state sink,
terminal switches to ground in an
alarm condition.
12 VDC lead acid battery
Eight multiplex drivers, each capable
of driving eight receivers or alert
units for a combined total of 64
receivers and alert units per
transponder.
Selectable SE485 or RS-232
47k EOL resistor, supervised loop
ROM version 4.00 or greater (the
version shipped with this unit) is
compatible with “–304” equipment
(such as EA102A-304). Version
4.00 or greater is
with non “–304” equipment.
ROM versions earlier than 4.00 are
compatible with non “-304”
equipment.
P/N: CTS1-70, Normally Closed
not
compatible
3.0 Mounting
Normally, the enclosures are mounted first and all
wiring is run. Then the electronics are mounted, wired,
and tested.
The enclosures include hardware for mounting the
enclosure to a wall and mounting the circuit board to
the enclosure.
1. Mount the enclosure to the mounting surface.
2. Mount the circuit board to the enclosure. See Figure
1.
Figure 1: Enclosure
1 - View to show retainer tabs. Insert board between
tabs to secure.
2 - Circuit location
3 - Tamper switch mounting location
4 - Support post
5 - Battery location
6 - Enclosure
7 - Circuit board
8 - Support post assembly
Bosch Security Systems | 6/03 | 33829E
EA500 | Installation Instructions |
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BUS 0 PWR 0
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BUS
POWER
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BUS
POWER
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TX
+
GND
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RX
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4.0 Wiring
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4.0 Wiring
Wire the transponder according to Figure 2.
The wiring to the receivers and alert units can be as
home-run (individual), daisy-chain (device to device), or
a combination of both. T-tapping is also acceptable. The
recommended cable is 4-conductor, 18 AWG
(1.2 mm [0.05 in.]) fire rated.
Wiring from SE485 to the transponders can be home-run
(individual), daisy-chain (device to device), or a
combination of both. T-Tapping is also acceptable. The
recommended cable is 4-conductor, twisted pair,
non-shielded, 22 AWG (0.8 mm [0.03 in.]).
Figure 2: Wiring
1 - Transponder
2 - Typical receiver
3 - Typical output module
4 - To next device
5 - SE485
6 - To next transponder
Bosch Security Systems | 6/03 | 33829E
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