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Description
Industrial 8-Ch Ethernet Digital Input / Output Module Modbus RTU / TCP Protocol, Supports PoE Power Supply, 339171. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply 2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines 3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply 4. Input features bidirectional optocoupler isolation, supporting passive and active switch
1. Onboard voltage regulation chip, supporting a wide voltage range from 7V to 36V, and supporting PoE Ethernet power supply
2. Supports control via MQTT protocol, providing Alibaba Cloud MQTT application routines
3. Onboard integrated power isolation, capable of providing stable isolated voltage, and the isolated end does not require additional power supply
4. Input features bidirectional optocoupler isolation, supporting passive and active switch input, built-in anti-jitter algorithm, relays support switch input linkage mode or inversion mode control
5. Output uses Darlington, with optocoupler isolation, stronger driving capability, with a driving current of up to 500mA, and built-in reverse current diode protection
6. Output has flash-on and flash-off functions, can be set with parameters in the instruction, automatically turns off after a certain period of time after the output is turned on
7. Rail-mounted enclosure design, convenient installation, safer to use
8. External indicator light, convenient for checking input/output status, MCU status and signal transmission/reception status
9. Size: about 14.5 x 9 x 4 cm
Packaging list:
- Modbus POE ETH IO 8CH host unit x 1
- Screwdriver x 1
Specification:
| Package Weight |
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.0 ★★★★★
Based on 250 reviews
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Product Reviews
★★★★★ 5
Good stuff
Color: White, Size: Queen (Pack of 1)
This is a great bed cover.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Beyond my expectations
Size: 10 Wide, Color: Mocha Grainy Leather
Really nice shoes. Wide enough and comfortable I’m keeping these.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Good Fit Out of the Box
Size: 9, Color: Black
The shoes came with the correct size and is a good fit. They were originally pretty stiff, but are much better now after breaking them in. They look good. but as other's have said, they are made of synthetic leather and in my opinion have kind of a plastic look to them. The quality is good with ridged rubbber soles. I thought they were kind of expensive, but then again I haven't purchased these type of shoes in a while. A family member told me that if they were real leather, they would have been a lot more expensive. For what the shoes are I would recommend the purchase.
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Reviewed in the United States on February 11, 2025
★★★★★ 3
I wanted to love these
Size: 9, Color: Black Leather
These are very good looking in person, especially the buckles and the pop of red on black.
Alas, I have another pair of Marc Joseph shoes to compare comfort and fit, and this pair simply hurts my feet.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Fitness
Size: 9, Color: Black Leather
Comfortable
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Reviewed in the United States on June 5, 2026