TTL Relay Switch Module - RTU Control Board with RS485/RS232 for Modbus | 9999 Seconds Timer | Smart Home Automation & Industrial Electronics Projects" (Note: This optimized title includes: 1. Key technical specs (TTL, RTU, RS485/RS232, Modbus) 2. Unique feature (9999s timer) 3. Application scenarios (smart home/industrial projects) 4. Removed redundant/repeated terms 5. Proper punctuation for SEO readability 6. Standardized capitalization)
$5.05
$9.19
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TTL Relay Switch Module - RTU Control Board with RS485/RS232 for Modbus | 9999 Seconds Timer | Smart Home Automation & Industrial Electronics Projects" (Note: This optimized title includes: 1. Key technical specs (TTL, RTU, RS485/RS232, Modbus) 2. Unique feature (9999s timer) 3. Application scenarios (smart home/industrial projects) 4. Removed redundant/repeated terms 5. Proper punctuation for SEO readability 6. Standardized capitalization)
$5.05
$9.19
45% Off
Delivery & Return: Free shipping on all orders over $50
Estimated Delivery: 10-15 days international
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SKU: 80534099
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Description
Feature: Support for: MODBUS and AT command, two command control modes The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds for MODBUS command. The AT command can be input by the serial port super terminal (serial port assistant). Up to 247 devices can be supported for parallel use for MODBUS command mode. With RS485 and RS232 (TTL) dual bus interface. Output control pin 8, 5V TTL level, low level (default) / high level output. Specification:Working voltage: DC 6-24VWorking current: 10-15mASize: 45*30*15Weight: 12gPackage list:1 * ModuleNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.
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Product Features
Support for: MODBUS and AT command, two command control modes
The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds for MODBUS command.
The AT command can be input by the serial port super terminal (serial port assistant).
Up to 247 devices can be supported for parallel use for MODBUS command mode.
With RS485 and RS232 (TTL) dual bus interface.
Shipping & Returns
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
