The NT18B07 features robust electrical safety protocols, highly flexible power tolerances, and compact form factor framing designed for tight control cabinets. Specification Note / Requirement DC 6V to 24V Optimized for standard 9V, 12V, 15V, and 24V rails. Operating Current 8mA to 15mA Scales minimally with the number of active NTC channels. Communication Protocol Modbus RTU Supports standard function codes 03 (Read) and 06 (Write). Physical Interface RS485 Serial Half-duplex differential bus topology. Default Serial Settings 9600 bps, N, 8, 1 9600 baud rate, No parity, 8 Data bits, 1 Stop bit. Device Scalability Up to 247 modules Requires RS485 repeaters if cascading more than 16 units. Compatible Sensors B3950 10K 1% NTC
Connect the wire to the module's corresponding A port.
uart: tx_pin: GPIO17 rx_pin: GPIO18 baud_rate: 9600 id: uart_bus nt18b07 manual
The NT18B07 is a specific model of air conditioner manufactured by a reputable brand. Like any complex device, it requires proper operation, maintenance, and troubleshooting to ensure optimal performance and longevity. The NT18B07 manual is a crucial resource for users, providing detailed instructions on installation, operation, maintenance, and troubleshooting. In this article, we will provide an in-depth look at the NT18B07 manual, covering its contents, and offering valuable insights and tips on how to get the most out of your air conditioner.
The thermistors use standard . Because NTC thermistors are non-polarized resistive components, the orientation of the two wires plugged into any given channel (CH1 through CH7) does not matter. Connect one lead to the signal terminal and the other to the adjacent local ground on the terminal port. Modbus RTU Protocol and Register Mapping Device Scalability Up to 247 modules Requires RS485
The NT18B07 supports daisy-chain infrastructure, allowing you to link multiple modules together on a single twisted-pair RS485 bus.
Connect the from your mains wall power to the Relay COM terminal. Like any complex device
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The NT18B07 is a versatile and cost-effective solution for digitizing multiple NTC temperature sensors. As this manual has demonstrated, it can be used in a wide array of applications, from professional industrial automation with PLCs to custom DIY IoT data loggers using the ESP32 platform.