Product Introduction

EC-CTB-A / EC-CTB Elevator Car-Top Control Boards

Name: Car Top Control Board
SKU: SH-01300005
Price: 66.04 USD
Availability: InStock

Car-top signal collection and control for compatible INVT EC-series elevator systems.

The EC-CTB family links car-top inputs and outputs with the elevator controller, car command board and display. The EC-CTB-A shown here carries the EC-CTB-A REV.A board marking.

EC-CTB-A REV.A elevator car-top control board — EC-CTB-A REV.A with removable terminal blocks and two DB9 connectors.

Control and communication

CAN communication with the compatible elevator controller and car display.
RS485 interface for compatible displays or voice annunciators, plus RS232 communication support.
Supports analog load-weighing input and digital load-weighing signals.
Supports dual-door control, arrival-gong output and lighting energy-saving control.
EC-CCB command-board connection for the car operating panel.

Product selection

Model	Application
EC-CTB-A	Car-top control board for compatible EC160A elevator systems; EC-CTB-A REV.A appearance shown.
EC-CTB	Car-top control board for compatible EC100, EC160 and EC300 systems.

Match the complete board model, revision, terminal labels and controller configuration when selecting a replacement.

EC-CTB-A interfaces

Interface	Description
P2 / P3	CAN communication connectors; 24+, 24−, CANH and CANL.
P4	A / B: RS485 communication.
P7 analog input	AI / GND: 0–10 V input range for analog weighing.
CN1 / CN2	DB9 female connectors for car command boards; CN2 serves the rear-door command buttons.

EC-CTB-A dimensions and mounting

EC-CTB-A dimension and terminal-location drawing — EC-CTB-A outline and fixing dimensions, in millimetres. J1 selects the external protocol and CAN termination resistor.

EC-CTB-A parameter	Dimension
Overall board size	162 × 125 mm
Fixing-hole centre distance	152 × 115 mm
Fixing holes	4 × Ø5 mm

Use the four fixing points shown and follow the terminal markings during installation.

Board appearance

Second photograph of EC-CTB-A REV.A board — EC-CTB-A REV.A terminal and connector layout.

Frequently Asked Questions

What configuration is shown for EC-CTB-A?

Model EC-CTB-A is shown as a green controller/interface board with terminal strips, relays and plug connectors. Match the complete model, physical layout and documented interfaces to the installed component before ordering.

Which hardware details determine replacement compatibility?

Match the complete board or module code, revision, outline and mounting points, connector keying and terminal layout against the original hardware.

Which electrical and controller interfaces must match?

Confirm supply, I/O or communication interface, connector pinout, hardware/firmware revision and installed controller generation from the exact label and schematic.