Cooper Security 9752 Guide d'installation télécharger pdf (Page 27)

9752 Installation Guide 3. Installation

11976870 Page 23

Note: Depending on the sensor, a 4K4 resistance means either

"masked" or "fault". Use command 88 to specify which reporting method

to use. All sensors with anti-masking contacts must use a 4K4 resistance

for the same meaning (masked or fault).

Short Circuit Tamper Alarm

Open Circuit Tamper Alarm

Zone

Resistance

Healthy

Sensor

failure/Fault/Masked

Masked

Alarm

9.1k

2.2k

4.4k

6.9k

2K2

4K7

Tamper

Zone 1

Zone 2

Tamper

Alarm

Anti-mask

Figure 14. Wiring Zones that use Anti-Masking

Connecting Expanders

9954 Hardwired Expander

The 9954 hardwired expander provides connectors for eight CCL, FSL or EOL

zones (EOL zones are not relevant for the 9752). Figure 15 shows the layout

of the PCB. See the wiring diagram supplied with the 9954 hardwired

expander for more details.

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Cooper Security 9752 Guide d'installation Page 27