OM-120

Output Module for Elevator & Floor Access Control.

OM-120
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Overview

OM-120 is Suprema's output module for elevator and floor-by-floor access control, providing 12 relay outputs per unit for controlling lift cabin buttons and floor-access relays. Connected via RS-485 OSDP V2 to CoreStation, up to 31 OM-120 units can daisy-chain to support up to 192 floors per elevator and up to 1,000 elevators per deployment. With its Cortex M3 processor, compact 90 × 190 × 21 mm form factor and DIN-rail-friendly design, OM-120 is the standard Suprema solution for commercial towers, hospitals, hotels and any multi-floor facility requiring per-floor credential enforcement.

Key Features

12 relay outputs per unit

Controls up to 12 elevator floor buttons or floor-access relays per OM-120 — daisy-chain up to 31 units for 192 floors per elevator.

Up to 1,000 elevators

Scales from a single lift to a 1,000-elevator deployment — covering the largest commercial and hospitality facilities.

OSDP V2 RS-485 bus

Encrypted OSDP V2 communication from CoreStation — all floor-relay commands are authenticated and tamper-proof.

Compact DIN-rail mount

90 × 190 × 21 mm profile fits inside standard elevator control panels and server-room enclosures without modification.

Specifications

General
CPU Cortex M3 72 MHz
Memory 128 KB Flash + 20 KB SRAM
Dimensions 90 × 190 × 21 mm
Weight 300 g
Operating Temperature -20 °C to 60 °C
I/O
Output Relays 12
Max Units per Daisy-Chain 31
Max Floors per Elevator 192
Max Elevators 1,000
Connectivity
RS-485 OSDP V2 compliant
Power 12 V DC

Interested in OM-120 for your organisation?

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