Mitsubishi CM110YE4-12F Industrial Relay

CM110YE4-12F Servo Relay — Stop the Bleed. Get Your Line Back Online.

Your MR-J series servo amplifier just threw a fault. The drive won’t enable. The coil on the internal relay is open — and your production line is standing still. Every hour of downtime on a servo-driven axis costs real money: scrapped batches, missed shipments, penalty clauses. The Mitsubishi CM110YE4-12F is the exact OEM relay that sits inside the MR-J series servo amplifier’s control circuit. We stock it. We ship it today.

URGENT REQUIREMENT? Contact: [email protected] | WhatsApp: +86 18359268345

Quick Technical Datasheet

Troubleshooting & Replacement Tips

The CM110YE4-12F fails in predictable ways. Here’s what you’ll see on the drive and what it actually means on the bench:

Fault Code AL.10 / AL.12 (Undervoltage / Control Power Fault): Before condemning the power supply board, pull the relay and check coil resistance. A shorted coil will drag down the 12 V rail and trigger false undervoltage alarms. Measured coil resistance should be in the 200–400 Ω range depending on batch. Open circuit = failed relay.

Fault Code AL.37 (Parameter Error on Power-On): Intermittent contact bounce on the CM110YE4-12F can corrupt the initialization handshake between the servo amplifier’s control board and the encoder. If AL.37 appears only on cold start and clears after a second power cycle, suspect relay contact oxidation before touching parameter settings.

Replacement Procedure — Step by Step:

1. De-energize the servo amplifier completely. Verify DC bus voltage has discharged below 30 V using a meter — do not rely on the charge indicator LED alone on older MR-J2S units.
2. Remove the amplifier cover. The CM110YE4-12F is PCB-mounted on the control board, typically near the 24 V interface terminal block. Photograph the board orientation before touching anything.
3. Use a solder sucker or wick to remove the relay cleanly. Avoid thermal stress on adjacent SMD components — keep iron contact under 3 seconds per pad.
4. Seat the new CM110YE4-12F. Verify pin 1 orientation against the PCB silkscreen. Incorrect orientation will not damage the relay but will prevent coil energization.
5. After reassembly, perform a parameter initialization (PR parameter clear) before enabling the servo. On MR-J4 units, use MR Configurator2 to verify no latched faults remain from the previous relay failure event.
6. Run a JOG test at low speed before returning the axis to automatic mode. Confirm servo-on signal latches cleanly without chatter.

No DIP switch or address configuration is required for this relay. It is a passive switching component — no firmware interaction, no self-addressing. The only variable is coil polarity, which is fixed by PCB footprint.

Reliability in Harsh Conditions

The CM110YE4-12F is built to Mitsubishi Electric’s internal component qualification standard for servo amplifier internals. That means it has been validated against the conditions your panel actually sees — not lab conditions.

Vibration resistance is rated to IEC 60068-2-6 levels consistent with machine tool and press-line environments. The sealed relay body prevents flux contamination and contact oxidation in high-humidity foundry or food-processing environments where ambient RH regularly exceeds 85%. Operating temperature range covers -10°C to +70°C, which accommodates both cold-start conditions in unheated facilities and the thermal soak inside a fully loaded servo cabinet running at rated current.

Contact material is silver alloy with gold flash on the mating surfaces — this is what gives the relay its low-resistance switching characteristic at 12 VDC coil voltage and prevents the dry-circuit contact failures that plague generic relay substitutes in low-current control circuits. Do not substitute with a generic 12 V relay of similar footprint. The contact rating and coil impedance are matched to the MR-J series control board drive circuit. A mismatched coil impedance will either fail to pull in reliably or overheat the relay driver transistor on the control board.

Global Express Logistics

We operate from Xiamen, China — one of the most logistics-efficient export hubs on the mainland, with direct access to DHL, FedEx, and UPS international gateways. For urgent orders, here’s the realistic timeline:

Order confirmed before 14:00 CST: Same-day dispatch from Xiamen warehouse.
DHL Express to Europe / Middle East: 3–5 business days door to door.
FedEx International Priority to North America: 3–4 business days.
DHL to Southeast Asia: 1–3 business days.
FedEx to Australia / New Zealand: 4–6 business days.

All shipments include full commercial invoice, packing list, and country-of-origin documentation. For customers in regulated industries requiring ECCN classification or import duty pre-calculation, we provide HS Code 8536.49 documentation for relay components. Customs clearance support is available for first-time importers — contact us before placing the order and we’ll walk you through the paperwork.

Tracking numbers are issued within 2 hours of dispatch. We do not use consolidators or postal services for industrial components — every shipment moves on a named express courier with real-time tracking and signature confirmation.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
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