Mitsubishi KCA-1040D Elevator MAXIZ Interface PCB Board — Signal & Control

Mitsubishi KCA-1040D — Elevator MAXIZ Interface PCB Board

The Mitsubishi KCA-1040D is an interface printed circuit board (PCB) manufactured for Mitsubishi Electric Corporation's MAXIZ elevator control system. The MAXIZ (Maximum Intelligent Zone) platform is Mitsubishi's advanced elevator control architecture used in mid-rise and high-rise commercial, residential, and institutional buildings worldwide. The KCA-1040D serves as the critical signal interface layer between the main elevator controller and the building's peripheral systems.

Technical Specifications

KCA Series Interface Board Family

Key Functions

• Signal Routing — Routes control signals between the main CPU board and peripheral subsystems including door operators, safety circuits, load weighing devices, and fire emergency return modules

• Floor Indication Logic — Processes floor position data from the encoder system and drives the car position indicator (CPI) and hall lantern displays on each landing

• I/O Interface — Provides buffered digital I/O connections for limit switches, door zone sensors, leveling sensors, and emergency stop circuits

• Communication Bridge — Facilitates serial communication between the elevator controller and building management systems (BMS), group control panels, and remote monitoring devices

• Safety Circuit Integration — Interfaces with the safety chain including door interlocks, governor switches, buffer switches, and pit stop stations

Typical Applications

• Commercial Office Buildings — Signal interface for passenger elevators in multi-tenant high-rise office towers using MAXIZ group control

• Residential High-Rise — Interface board for residential elevator banks with floor-specific access control and security system integration

• Hospitals & Healthcare — Signal routing for hospital elevators with stretcher-size cars, priority recall, and fire service operation

• Hotels & Hospitality — Interface for hotel elevators with card-key access systems, lobby management, and VIP floor designation

• Elevator Modernization — Replacement board for aging MAXIZ control systems during partial modernization projects, extending the service life of existing installations

Installation & Compatibility Notes

• The KCA-1040D is designed exclusively for Mitsubishi MAXIZ elevator control systems and is not interchangeable with other Mitsubishi elevator platforms (e.g., GPM, Sigma, Nexiez)

• When replacing a defective board, verify the firmware version and DIP switch configuration match the original unit to ensure proper floor count and I/O mapping

• Installation should be performed by a licensed elevator technician in accordance with local elevator safety codes (ASME A17.1, EN 81, GB 7588, etc.)

• Always disconnect the elevator main power supply and follow lockout/tagout (LOTO) procedures before removing or installing PCB boards

Condition & Warranty

This is a tested unit verified for proper signal routing and I/O functionality before shipment. Each board is inspected for connector integrity, solder joint quality, and component-level testing. A 3-month warranty covers manufacturing defects. Technical support via WhatsApp and email.