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Green rectangular circuit board with relay array and terminal blocks

ELENE

ELENE LNL-1200-S3 16-Relay 12/24 VDC cpu accessory

SKU CH-9NH9-ZBXHW MPN LNL-1200-S3

Provides 16 Form-C relay outputs at 12 or 24 VDC with RS-485 host connection for up to 128 elevator floors

  • 16 Form-C relays switch loads up to 5 A at 30 VDC
  • Operates on 12 or 24 VDC input with ±10 % tolerance
  • RS-485 multidrop link connects up to 16 modules per controller
  • AES 128-bit or 256-bit encryption secures communications
  • Elevator control supports up to 128 floors

Access control module with 16 Form-C relays

The Lenel LNL-1200-S3 is a Series 3 output control module designed for security integrators and facility managers who need to expand door or elevator control from a central host. It provides 16 Form-C contacts rated at 5 A / 30 Vdc for switching resistive loads and connects to the host over RS-485 multidrop wiring. The unit operates on 12 to 24 Vdc input power and supports up to 128 elevator floors in a single deployment.

Thermal range and power envelope

Operating temperature is specified from 0 to 70 °C with a storage range of -55 to 85 °C, allowing installation in unconditioned equipment rooms. Maximum current draw is 1100 mA at the nominal input voltage, and the board carries CE, RoHS, UL 1076 and UL 294 compliance markings. No active cooling is integrated; heat dissipation relies on the mounting enclosure and ambient airflow.

On-board configuration and encryption

Two dedicated digital inputs monitor tamper and power-failure status, while DIP switches set the module address and jumpers select RS-485 termination. Status LEDs indicate host communication, heartbeat and individual relay state. AES 128-bit or 256-bit encryption is supported depending on the connected Intelligent System Controller and OnGuard version, and the board can replace earlier Series 1 and Series 2 units without rewiring.

Highlights

  • 16 Form-C relays switch loads up to 5 A at 30 VDC
  • Operates on 12 or 24 VDC input with ±10 % tolerance
  • RS-485 multidrop link connects up to 16 modules per controller
  • AES 128-bit or 256-bit encryption secures communications
  • Elevator control supports up to 128 floors

Specifications

No published specifications for this item yet.

Questions about this item

How do I mount the LNL-1200-S3 and wire the RS-485 bus correctly?

Mount the 6 by 8 inch board in the enclosure, set a unique address on the DIP switches, connect the 2-wire or 4-wire RS-485 link to the host controller, and fit the on-board termination jumpers only on the last module in the chain.

Which parts of the LNL-1200-S3 are most likely to need replacement over time?

The 16 Form-C relay contacts rated at 5 A and 30 VDC are the primary wear items; repeated switching of inductive loads can degrade them faster than the solid-state electronics.

What thermal limit will I hit first if the LNL-1200-S3 runs continuously at full load?

The operating ceiling is +70 °C ambient; sustained full-load operation in a poorly ventilated cabinet will reach that limit before the 1100 mA input current or the 5 A per relay ratings become restrictive.

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