// products · L3 system

GDC
Thirty analyzers, one cabinet, one SCADA link.

Multi-level gas-detection and alarm controller: collects up to 30 field analyzers, drives relays, alarms and ventilation, and reports to SCADA over Modbus TCP or IEC 60870-5-104.

up to 30 analyzers
112 relay outputs
Modbus · IEC 60870-5-104
IP65 · 230 V AC
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L3 · systemGDC
Tremon GDC
Specifications

Typical values from the datasheet; accuracy applies under the datasheet's reference conditions. Where a value depends on the application it is specified per project and fixed in the order confirmation.

functionmulti-level gas monitoring & alarm controller
field devicesup to 30 analyzers per cabinet
architecture3 levels · field → GDC cabinet → SCADA
protocolsModbus RTU / TCP/IP · IEC 60870-5-104
I/Oup to 112 relay outputs · 4–20 mA · RS-485
enclosure600×600×250 mm · 26 kg · IP65 · 230 V AC
Downloads

Open links — no form.

DocumentFileType
Datasheettremon-gdc-datasheet.pdfPDF · 4 MB
Manualtremon-gdc-manual.pdfPDF · 6 MB
Calibration certificate (sample)on request — issued per unitPDF
Modbus register mapon requestPDF
Applications and the rule behind each
  • Substation / GIS gas-detection systems with IR·SF₆ transmitters
  • Plant-wide toxic & combustible gas alarm systems
  • CEMS data concentration and reporting to the control room
  • Ventilation and shutdown interlocks
Gases

Each gas has a reference page with limits, IR band and monitoring practice.

Certificates and compliance

Status words as on the datasheet: certified · pending · application dependent.

CE (EMC, LVD)certified
IP65certified
SILnot claimed — alarm logic per project
How you get it
1
number of points · protocols · alarm logic
2
system design & quote
3
FAT · delivery · commissioning
4
service contract
FAQ
How many field devices?
Up to 30 analyzers per cabinet over RS-485 Modbus RTU; several cabinets scale over Modbus TCP / IEC 60870-5-104.
Alarm logic?
Multi-level thresholds per point, relay groups for ventilation and shutdown, event log — configured at FAT.
SCADA integration?
Modbus TCP and IEC 60870-5-104; register maps delivered with the documentation pack.
Get a quote

Tell us what you measure — just tap

Three taps and an email. An engineer replies within 24 h with feasibility and a price indication.

1 · Which gas?
2 · What for?
3 · What form?
4 · Where do we reply?
Goes to sales@tremon.nl. No newsletter, no tracking.
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