Modbus TCP Gateways for Alarm Systems

AJAX-MBTCP User Manual

Connect your alarm system to a Modbus TCP installation.

Products, guides, integrations

Purpose, features and compatible AJAX systems and Modbus TCP clients.

Auxiliary supply and Ethernet connections, server operation and front-panel status LEDs.

Set SIA reporting and control permissions, and understand detector reporting and Night Mode.

Set the IP address, Hub ID and partition options, then connect and test the Modbus client.

Supported function codes, exception responses and the Modbus TCP message header.

Full address map for area and global commands, alarm states, detectors and power faults.

Resolve missing detector updates, control failures, timeouts and invalid coil writes.

Read the installed firmware version and install updates from the gateway webpage.

Power, mounting, temperature, Modbus connection limits and supported alarm capacity.

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