MT70-CCB-A
Car-top interface boards for elevator input, relay-output and communication functions. The A, B and B1 configurations use different installation arrangements; select the exact board version for the controller and available mounting space.

| Item | Specification |
|---|---|
| Model family | MT70-CTB-A / MT70-CTB-B / MT70-CTB-B1 |
| Processor | 32-bit industrial controller |
| Digital inputs | 14 optically isolated inputs |
| Relay outputs | 8 relay outputs |
| Analogue input | One −10 V to +10 V channel |
| Communication | CAN bus and serial Modbus |
| Control configuration | Up to 48 landings in the matching system |
| Setup interface | External LCD operator interface |
| Feature | MT70-CTB-A | MT70-CTB-B | MT70-CTB-B1 |
|---|---|---|---|
| Mounting arrangement | Horizontal installation | Vertical plug-in installation | Vertical installation, interface-optimized version |
| Terminal arrangement | Side or front-facing access | Compact vertical arrangement | Version-specific OEM layout |
| Digital input configuration | 14 isolated inputs | 14 isolated inputs | 14 isolated inputs, enhanced interference protection |
| Relay-output configuration | 8 relay outputs | 8 relay outputs | 8 relay outputs, contact-load optimization |
| Analogue channel | One −10 V to +10 V channel | One −10 V to +10 V channel | One −10 V to +10 V channel with filtering optimization |
| Communication | CAN bus / serial Modbus | CAN bus / serial Modbus | CAN bus / serial Modbus |
| Landing configuration | Up to 48 | Up to 48 | Up to 48 |






The A layout uses horizontal installation, while the B layout uses a vertical plug-in arrangement. Match the physical layout and connector access to the installation.
The photograph shows the A-version layout. Select A, B or B1 according to the required installation and interface configuration.
Functions depend on the controller configuration. Match the I/O assignments and exact wiring diagram for the installation.
Match the board version, mounting arrangement, connectors, firmware and configuration before selecting a replacement.
Protective packaging options selected according to product size, weight and shipping requirements.
From precision manufacturing to final inspection, every process supports consistent quality and reliable supply.
Reliable elevator parts supply with factory-direct service, genuine quality and dependable support.
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