Integrations • IEC 60870-5-104

How to Connect IEC 60870-5-104 to Cloud SCADA

Merobix Engineering • • 6 min read

IEC 60870-5-104 (IEC 104) is a telemetry protocol common in utility, power, and pipeline SCADA, especially outside North America. This guide explains how to bring IEC 104 data into a cloud platform for monitoring distributed telemetry sites.

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Short version: Merobix reads IEC 60870-5-104, the TCP/IP telemetry protocol used in utility and pipeline SCADA, so IEC 104 devices can feed a cloud dashboard with timestamped, report-by-exception data - alongside DNP3 and Modbus in the same platform.

IEC 60870-5-104 in Telemetry

IEC 104 is the network (TCP/IP) profile of the IEC 60870-5 telemetry standard, widely used for power utility and pipeline remote monitoring. Like DNP3, it timestamps events and supports spontaneous (report-by-exception) transmission, which suits wide-area telemetry with many remote stations.

Bringing IEC 104 Into the Cloud

Merobix supports IEC 60870-5-104 among its drivers, so devices and RTUs speaking IEC 104 can be read into the managed cloud, in parallel with a legacy host if needed. For sites with mixed telemetry protocols, IEC 104 sits alongside DNP3 and Modbus in one platform, so the whole network reports to a single web dashboard.

How to Connect IEC 60870-5-104 Devices to Merobix

  1. Confirm the protocol and connection. Identify that your device speaks IEC 60870-5-104 and how it is reached - a direct IP address, a serial connection, or through a cellular gateway at the site.
  2. Establish connectivity to the cloud. For remote sites, a cellular edge gateway reads the local device and connects outbound to the cloud - no fixed IP, no inbound firewall rule, no VPN. On networked sites, a direct connection works.
  3. Map the tags you care about. Select the registers, points, or nodes you want to monitor - pressures, levels, flows, states, alarms - and map them to named tags with engineering units. Merobix configures this for you as part of onboarding.
  4. Set polling or report-by-exception. Choose how data is collected - scheduled polling for reliable links, or report-by-exception to conserve cellular data and battery on remote sites.
  5. Verify data and set alarms. Confirm live values match the field, then set alarm thresholds. SMS and email alarms, typically delivered within a minute, are included - so the data is not just visible, it reaches someone when it matters.

Frequently Asked Questions

Does Merobix support IEC 60870-5-104?

Yes. IEC 60870-5-104 is among Merobix's broad protocol-driver coverage, so IEC 104 telemetry devices and RTUs can be read into a cloud dashboard with timestamping and report-by-exception intact.

Can I mix IEC 104 with DNP3 and Modbus?

Yes. Merobix reads IEC 60870-5-104 alongside DNP3, Modbus, and its other drivers, so a mixed telemetry network reports to a single platform.

Is IEC 104 suitable for wide-area telemetry?

Yes - like DNP3, it timestamps events and supports spontaneous report-by-exception transmission, which suits many remote stations over wide-area links.

Sources & Further Reading

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