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ComWinTop CWT-MB317T 32-Channel Digital Output Industrial Modbus Digital Output Controller - RS485 Interface
The CWT-MB317T 32-Channel Digital Output Industrial Modbus Controller is a reliable industrial automation module designed for multi-channel digital output control through Modbus RTU communication over RS485. Featuring 32 independent NPN transistor output channels, this controller enables efficient integration with PLCs, HMIs, SCADA systems, industrial PCs, and remote monitoring platforms. It is suitable for industrial control, process automation, equipment switching, signal transmission, and IoT-based applications.
Built with an industrial-grade architecture, the module supports wide DC power input, electrical isolation, and enhanced communication protection for stable operation in demanding environments. The compact design supports DIN rail installation or screw mounting, making deployment quick and flexible across industrial cabinets and control panels.
Features
- 32-channel digital output (NPN transistor type)
- RS485 communication interface
- Supports Modbus RTU protocol
- Output isolation with optocoupler protection
- Wide input voltage range: 7–35V DC
- Adjustable baud rate from 1200 to 115200bps
- Industrial-grade protection against ESD, overvoltage, overcurrent, and surge
- DIN rail or screw mounting support
- Designed for industrial automation, remote I/O, and control systems
- Stable operation across -40°C to +85°C environments
Specifications
- Output Channels: 32 Digital Outputs
- Output Type: NPN Transistor Output
- Output Isolation: Optocoupler Isolation
- Load Voltage: 5–30V DC
- Maximum Load Current: 100mA per channel
- Communication Interface: RS485
- Communication Protocol: Modbus RTU
- Baud Rate: 1200 ~ 115200 bps (Default: 9600)
- Serial Configuration: 8 Data Bits, 1 Start Bit, 1/2 Stop Bits
- Parity Options: None / Even / Odd
- Default Communication Setting: 9600.N.8.1
- Power Supply: 7–35V DC
- Power Consumption: Approx. 2W
- Processor: 32-bit ATMEL ARM, 72MHz
- Protection Features: Reverse polarity, ESD, overvoltage, overcurrent protection
- Operating Temperature: -40°C to +85°C
- Humidity Range: 5%–95% RH (Non-condensing)
- Mounting Method: DIN Rail / Screw Mount
- Protection Rating: IP20
- Watchdog: 1.5m Guard
Package Includes
- 1x ComWinTop CWT-MB317T 32-Channel Digital Output Industrial Modbus Digital Output Controller - RS485 Interface
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
