Pyronix PCX 78 Installation Manual page 22

Input resistance
Fault
Masking (6k8)
Tamper
Grade 3 Mask/Fault Input Wiring
Input resistance
Normal
Burglary alarm
Fault
Masking (6k8)
Tamper
22 PCX Installation Guide
1k / 1k DEOL Range 4k7 / 2k2 DEOL Range
6k to 8k1 8k to 11k3
8k2 to 17k 11k6 to 22k
<0k5 or <17k <1k4 or >22k
1k / 1k DEOL Range 4k7 / 2k2 DEOL Range
0k5 to 1k4 1k4 to 2k9
1k5 to 5k9 4k2 to 7k8
6k to 8k1 8k to 11k3
8k2 to 17k 11k6 to 22k
<0k5 or <17k <1k4 or >22k
4k7 / 4k7 DEOL Range
10k3 to 14k9
15k to 22k
<3k7 or >23k
4k7 / 4k7 DEOL Range
3k7 to 8k3
8k4 to 10k2
10k3 to 14k9
15k to 22k
<3k7 or >23k
102017852 - V01