Product guide

page
11
Operating voltage:
17
–
28V DC
Communication protocol:
Apollo Discovery 5
–
9V peak
to peak
Quiescent current:
500µA average 750µA peak
Power-up surge current:
1mA
Maximum power-up time:
10s
Alarm current, LED
illuminated:
3.4mA
Remote output
characteristics:
Connects to positive line
through 4.5kΩ (5mA
maximum)
Alarm level analogue value:
55
Alarm indicator:
2 red Light Emitting Diodes
(LEDs).
Optional remote LED
Electro-magnetic
compatibility:
marked
A copy of the relevant
declaration is available on
request
Temperature range:
Max. continuous
operating see Table 3
Min. continuous
operating 0°C
Min. operating
–
20°C
(no condensation/icing)
Storage
–
30°C to +80°C
Humidity:
0 to 95% relative humidity
(no condensation)
Vibration, Impact and
Shock:
To EN54
–
5:2000
IP rating:
53
Dimensions:
100mm diameter; 42mm
height
Weight:
Detector 105g
Detector in base 160g
Materials:
Housing: White
polycarbonate V
–
0 rated
to UL94
Terminals: Nickel plated
stainless steel
TECHNICAL DATA
Discovery Heat Detector
Part No: 58000-400
Specifications are typical at
24V, 23°C and 50% relative
humidity unless otherwise
stated.
Detection principle:
Temperature sensitive resistance.
Type code:
2 1 0 4 3 7 6 5
1 1 0 0 0 0 0 0
Supply wiring:
Two-wire supply, polarity
insensitive
Terminal functions:
L1 & L2 supply in and out
connections
+R remote indicator
positive connection
(internal 2.2kΩ
resistance to positive)
–
R remote indicator
negative connection
(internal 2.2kΩ
resistance to
negative)
Mode Class Application Static Response
(EN54
–
5:2000) Temperature °C Temperature °C
Typ Max Min Typ Max
1A1R25 50 54 57 65
2A22550546170
3 A2S 25 50 54 61 70
4CR55808490100
5CS55808490100
For air temperatures in the range 15°C to 55°C, the analogue value for a detector in
mode 1 will correspond approximately to the air temperature.
Table 3 Heat Detector response modes