SIMPLEX 4100 EWIS Page 17
INSTALLATION MANUAL
Document No.: 4100-M011 March 1998 Issue 1.0
Circuit Type Meter Reading
Style B (formerly Class B) Initiating Device (Zone) Circuit
From zone + to zone – (each zone) 3.3K ohms
From zone + to ground Infinity
From zone – to ground Infinity
Style D (formerly Class A) Initiating Device (Zone) Circuit
From zone + to zone – (each zone) Infinity
From zone + to ground Infinity
From zone – to ground Infinity
From zone + OUT to + IN Less than 50 ohms
From zone – OUT to – IN Less than 50 ohms
Style Y (formerly Class B) Notification Appliance Circuit (each signal circuit)
From + to ground Infinity
From – to ground Infinity
Resistance across circuit
In one direction 10K ohms
In opposite direction Less than 200 ohms
Style Z (formerly Class A) Notification Appliance Circuit (each signal circuit)
From + to ground Infinity
From – to ground Infinity
From + OUT to + IN Less than 50 ohms
From – OUT to – IN Less than 50 ohms
Resistance across circuit
In one direction Infinity
In opposite direction Less than 200 ohms
Shielding
Shield to ground Infinity
Shield to – Infinity
Shield to + Infinity
Table 1 Acceptable Zone and Signal Circuit Meter Readings
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