Honeywell MAXPRO MPIP2000U Series Installation And Setup Manual page 42

Installation and Setup Guide
For example, for R1 = R2 = 1K, the system will go in:
Tamper state if the resistance falls below 800 ohms.
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Ready state if the resistance is between 800 and 1,500 ohms.
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Alarm state if the resistance is between 1,500 and 12,000 ohms.
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Tamper state if the resistance is above 12,000 ohms.
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
Note
Resistor tolerance 1% or better.
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Capable of up to 100 ohms resistance.
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3.8.2.3 Triple Balanced
R2
ALARM TROUBLE
R1
N.C.
State at input terminals
Short circuit
R1 ohms
R1 + R2 ohms
R1 + R3 ohms
R1 + R2 + R3 ohms
Open circuit
Acceptable values for for R1, R2, and R3 are:
R1 = 1K
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R2 = 1K
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R3 = 3K.
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The electrical bands are indicated below:
0
Tamper < Ready
800 Ω
42
Honeywell MAXPRO Intrusion MPIP2000U/3000U Series
R3
N.C.
Message to the system
Tamper
Ready
Alarm
Trouble
Mask condition (trouble when system is
disarmed; alarm when system is armed)
Tamper
< Alarm <
1,800 Ω 2,500 Ω
Trouble < Mask
4,500 Ω
800-23044 Rev. A draft_11
Ohm
< Tamper
10,000 Ω