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22
en | Wiring
TriTech
6.2.2
Tamper/EOL resistors (dip switch section 2)
Use the dip switch selection labeled 2 when wiring to control panels with the following
configuration: single, dual, or triple EOL resistor.
When tuning on/off the integrated EOL resistor dip switch, the corresponding resistance value
is connected in parallel with the alarm contact.
During normal operation, the control panel verifies the continuity of the alarm loop with the
help of this resistor. The loop continuity breaks and indicates a tamper condition if any of the
following occurs: the tamper switch opens, the detector body is removed from the base, or
the wire is cut.
The available resistance values are 1 kΩ, 2.2 kΩ, and 33 kΩ.
Notice!
When using single EOL loops, this resistor represents: EOL resistor. Refer to the control
i
panel documentation to verify whether individual outputs signaling different conditions
(alarm, tamper, or trouble) should be connected on the same loop. Single EOL loops with
multiple outputs connected in series with the resistor cannot determine which output
contacts opened the loop.
2022.01 | 01 | F.01U.401.708
NC
9 to 15 VDC
NC
TriTech
NC
T
T
NC
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2
1
2
1
Installation manual
Commercial Series TriTech and TriTech AM
Bosch Security Systems B.V.
detectors
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