48
SLC ADDRESSABLE DEVICE CIRCUIT WIRING / OPERATION COMPARABLE TO NFPA CLASS X
(or PABE DCLC)
CLASS X (DCLC) provides redundant communication paths.
- S_AN
+ S_AP
- S_BN
+ S_BP
SEE NOTE SEE NOTE
SEE
NOTE
SEE
NOTE
ISOLATOR
MODULE
SEE NOTE
SEE NOTE SEE NOTE
SEE
NOTE
SEE NOTE
SUPERVISED
POWER LIMITED
PORT-A PORT-B
Notes:
• Siemens SLC Devices: Monitor Modules, or Control Modules up to a maximum of 50 devices.
• Only listed Class X (DCLC) devices, models XTRI-R, XTRI-D, XTRI-S, XTRI-M, ILED-XW, ILED-XC,
TSM-1X, and PAD-5 can support CLASS X (DCLC) mode. And all these devices must be wiring as
isolator module. If Class X (DCLC) devices are mixed with existing devices or wiring as non-
isolator module, only Class A (DCLA) supervision can be achieved.
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