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Omron E5CC-RX3D5M-5803U — Process / Temperature Controllers

Omron E5CC-RX3D5M-5803U Temp Controller, 24V

MPNE5CC-RX3D5M-5803U
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Omron E5CC series Process, Temperature Controller, RTD and thermocouple input, 24VAC/DC supply, 4 relay outputs, RS-485 CompoWay/F Modbus, IP66 panel mount.

Omron E5CC-RX3D5M-5803U datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

E5CC-RX3D5M-5803U — Identification
ParameterValue
SeriesE5CC
TypeProcess, Temperature Controller (RTD, Type B, E, J, K, L, N, PLII, R, S, T, U, W)
E5CC-RX3D5M-5803U — Electrical
ParameterValue
Supply voltage24VAC/DC
E5CC-RX3D5M-5803U — Performance
ParameterValue
Control methodOn/Off, Proportional (PID)
FeaturesHeater Fault Detection, Starter Kit (Controller, Cable, Software)
E5CC-RX3D5M-5803U — I/O
ParameterValue
Input range-200°C ~ 2300°C, 0 ~ 20mA, 0 ~ 10VDC
Output typeRelay (4)
E5CC-RX3D5M-5803U — Communication
ParameterValue
Communication interfacesRS-485 (CompoWay/F, Modbus)
E5CC-RX3D5M-5803U — Display
ParameterValue
Display typeLCD - Dual Color Characters, Backlight
Characters per row4, 4
Character height0.600" (15.20mm), 0.280" (7.10mm)
E5CC-RX3D5M-5803U — Environmental
ParameterValue
Operating temperature-10°C ~ 55°C
Ingress protection (IP rating)IP66 - Dust Tight, Water Resistant
E5CC-RX3D5M-5803U — Mechanical
ParameterValue
Mounting typePanel Mount
Panel cutout dimensionsSquare - 45.00mm x 45.00mm
Termination styleScrew Terminal

Product details

The E5CC-RX3D5M-5803U: Four relay outputs give you separate heat/cool or alarm channels. The onboard RS-485 speaks CompoWay/F and Modbus, so it talks to a PLC or SCADA without an extra gateway. And it ships with a starter kit—controller, programming cable, and software—so you can have it loop-tuned before the panel's even buttoned up.

How it stacks up

The big difference between this 24V unit and the E5CC-RX3A5M-003 (100-240VAC) is the supply voltage. If your panel's already wired for 120V, you'll need that one instead. This 24V version is for machines that run on low-voltage control power—common in food processing, packaging, and anything with high contact protection. It keeps the same relay bank (4), same RS-485, same 45mm square cutout, and the same IP66 front. The starter kit is only bundled with this order code, so if you're starting from scratch, this saves pulling cables and software separately.

Frequently asked questions

What is the listed type and series?

It's a Process, Temperature Controller in the E5CC series, accepting RTD and thermocouple types B, E, J, K, L, N, PLII, R, S, T, U, W.

Will the E5CC-RX3D5M-5803U drop into a panel wired for the E5CC-RX3A5M-003 without rewiring?

Not directly—the RX3A5M-003 runs on 100-240VAC, while this one is 24VAC/DC. You'd need to change the power supply wiring. The panel cutout, communications, and output wiring are the same.

MPN
E5CC-RX3D5M-5803U