User guide
User
Guide
Page 99
Install RX with Tamper Circuit and External Resistors
Single End of Line Configuration
Normal Close (NC)
Normal Open (NO)
Without Tamper Detection Circuit Configuration
Normal Close (NC)
Normal Open (NO)
LEGEND
NO Normally Open Alarm
NC Normally Closed Alarm
O/C Open Circuit
S/C Short Circuit
LoZ Low Impedance
HiZ High Impedance
Notes:
The table below shows the summary between the resistance network and the condition result.
Note that this table is used as a reference. There may be a 10% tolerance for the resistance
value in the below table.
Term
Status Description
S/C TAMPER
Wire short (point A and B)
LoZ NORMAL
Sensor drive output close (point
B and C)
O/C
ALARM Sensor drive output open (point
B and C)
Term
Status Description
S/C ALARM Sensor drive output close (point
A and B)
LoZ NORMAL
Sensor drive output open (point
A and B)
O/C
TAMPER
Wire open (point A and B)
Term
Status Description
S/C NORMAL
Sensor drive output close
(point A and B)
O/C ALARM Sensor drive output open
(point A and B)
Term
Status Description
S/C ALARM Sensor drive output close
(point A and B)
O/C
NORMAL
Sensor drive output open
(point A and B)
sensor
drive
output
A
B
wire
sensor
drive
output
B
A
wire
C
sensor
drive
output
wire
A
B
sensor
drive
output
wire
B
A