Apollo Locally Powered Zone Monitor Manual page 3

ANALOGUE VALUES RELATED TO CIRCUIT STATUS AND ZONE LOAD (INPUT RESISTANCE)
Status
Short circuit fault
Indeterminate
Alarm
Indeterminate
Normal
Indeterminate
Open Circuit Fault
Table 2
Zone Monitor
Terminals
+
+
–
–
Fig.2 Zone connection — standard bases with 3k
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Analogue Value
4
4 or 64
64
64 or 16
16
4 or 16
4
Manual Call Point
Ω monitoring resistor at end-of-line
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Locally Powered
Zone Monitor (55000–864)
<47Ω
47Ω to 100Ω
100Ω to 1kΩ
1kΩ to 2kΩ
2kΩ to 3k5Ω
3k5Ω to 4kΩ
>4kΩ
Series 65 Standard Bases
–R
L1OUT
L1OUT
L2
EARTH EARTH
–R
3k
L 2