Mighty Mule FM500 Parts - RVCTBD50 Rev Counter Board

Mighty Mule FM500 Parts - RVCTBD50 Rev Counter Board

The RVCTBD50 rev counter board is the feedback board used in compatible Mighty Mule, GTO and Linear gate opener arms to help the control system understand how far the actuator has moved. In simple terms, it works with the operator electronics to count movement and help maintain consistent gate travel. When this board fails or the signal is unstable, the opener may stop short, forget its closed position, reverse unexpectedly, move inconsistently, or behave differently each time the limits are relearned. Because the rev counter system depends on clean wiring, good battery power and smooth mechanical gate movement, the board should be checked as part of the whole operator system. It is a separate part from the R4211/R5211 main control board and should not be ordered as a substitute for the main board.

Compatible With

• Mighty Mule 2500, 2502 and 2550 series automatic gate operators.
• Mighty Mule MM350, MM352, MM360, MM500, MM502, MM560, MM562, MM600 and MM660 series operators.
• Commonly associated with FM350, FM352, FM500 and FM502 replacement part searches.
• GTO / Linear compatible arm assemblies when the parts diagram calls for RVCTBD50.
• Verify by actuator model, arm generation, board location and original part number.

Features & Specifications

Also Known As / Related Part Numbers

• RVCTBD50
• GTO RVCTBD50
• Mighty Mule RVCTBD50
• Rev counter board
• Revolution counter board
• FM350 rev counter board
• FM500 rev counter board
• FM502 rev counter board
• MM500 rev counter board
• MM502 rev counter board
• 2000XL rev counter board reference in some listings

Technician Note

A gate that is hard to move by hand can make a good rev counter system look bad. Check hinge drag, actuator cable condition and battery voltage before replacing electronics.

Before Ordering Checklist

• Confirm the operator and actuator arm model.
• Compare the old board number and connector style.
• Check the actuator cable for cuts, pinches or corrosion.
• Verify the gate swings freely and has proper stops.
• Do not confuse the rev counter board with the main control board.

Important Ordering Warnings

• RVCTBD50 is not the same part as R4211 or R5211.
• Replacing this board will not correct a binding gate, weak battery, bad main board or damaged actuator cable.

Professional Advisory

Disconnect power and secure the gate before servicing an actuator. If the arm has internal damage or the gate moves unpredictably, have the system checked by a qualified gate technician.

Product Questions & Answers

What does the RVCTBD50 rev counter board do?

The rev counter board helps the operator track motor movement and travel count feedback so the control system can manage gate travel accurately.

Which operators commonly use RVCTBD50?

Mighty Mule lists RVCTBD50 for 2500, 2502, 2550, MM350, MM352, MM360, MM500, MM502, MM560, MM562, MM600 and MM660 series operators.

What symptoms can indicate a bad rev counter board?

Erratic travel, losing the close point, stopping part way, inconsistent limits or movement that does not match learned travel can point to rev counter issues, but wiring and mechanical movement should also be checked.

Is RVCTBD50 the main control board?

No. The rev counter board is separate from the main control board. It provides movement feedback and should not be confused with R4211/R5211 control boards.

Can I replace the rev counter board without checking the gate?

The gate should be checked for binding, sagging, hard stops and actuator problems. Mechanical drag can create symptoms that look like an electronics failure.