The bells ring — even when nobody's there.

cosy-bell controls electronic bell systems and relay-based ringers with a fully automatic ringing schedule, holiday calendar and remote override via cosy-connect.

Get in touch ← cosy-module Overview

Features

Custom firmware for maximum reliability in continuous operation
Weekly schedule with ringing times, duration and intensity per day
Holiday calendar with church year integration (interdenominational)
Relay control: direct actuation of electrical ringers via Modbus RTU
Manual override and emergency stop via cosy-connect or button
Redundant time source: NTP sync and local RTC fallback

Technologies & Dependencies

cosy-hubcosy-connectModbus RTUNTP

Protocols & Standards

Modbus RTUNTP (RFC 5905)

Runs on cosy-hub

cosy-bell runs fully on-premise on the cosy-hub — no cloud dependency, no external requirements for operation. Configuration and monitoring via cosy-connect, accessible from anywhere.

More Modules

cosy-hub is built modularly.

cosy-planLive

Room & Schedule Planning

cosy-senseLive

Environmental Sensing

cosy-dataBeta

Data Logging & AI Optimisation

cosy-shellyLive

Shelly Integration

cosy-inkPreview

Digital Signage & E-Ink Displays

Discuss your project

cosy-bell for your installation — what do you need?

CoSy-Tec advises from the very first idea. We clarify requirements, develop a concept and provide a quote — free and non-binding.

Get in touch

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