SLC ADDRESSABLE DEVICE CIRCUIT WIRING / OPERATION COMPARABLE TO NFPA STYLE “6”
Style 6 provides redundant communication paths.
- S_AN
+ S_AP
- S_BN
+ S_BP
ISOLATOR
MODULE
SEE NOTE
SEE
NOTE
SEE
NOTE
ISOLATOR
MODULE
SEE NOTE
ISOLATOR
MODULE
SEE NOTE
SEE
NOTE
SEE NOTE
SUPERVISED
POWER LIMITED
PORT-A PORT-B
.
NOTE: Siemens SLC Devices: Detectors, Monitor Modules, or Control Modules up to a maximum of 50 devices. A Maximum of 20 devices
recommended between Isolator Modules. A Maximum of 15 Isolator Modules per addressable device circuit.
NOTE: If more than one HCP is used on a SLC device loop, the loop must be wired Class A or the riser conductors must be installed in
accordance with the Survivability From Attack By Fire requirements in the National Fire Alarm Code, NFPA 72. If wired Class A, at least one
HLIM loop isolator must be installed between each HCP and between the panel and the first and last HCP. See the HLIM installation
instructions for the maximum number of isolators allowed per loop and other wiring instructions.
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