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Description
Waveshare Industrial 8-Ch Analog Output Module 12-Bit DA Conversion, Modbus RTU Analog Output 8CH, Modbus RTU Analog Output 8CH (B)1. Modbus RTU Analog Output 8CH is an industrial standard analog output module, supports 8 ch simultaneous output. Adopts Modbus RTU protocol with built in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS. 2. Supports setting device address (1 to 255) to cascade multiple devices via RS485 bus. 3. On board voltage regulator chip supports wide voltage supply from 7 to 36V. 4. On board integrated power isolation
1. Modbus RTU Analog Output 8CH is an industrial standard analog output module, supports 8-ch simultaneous output. Adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.
2. Supports setting device address (1 to 255) to cascade multiple devices via RS485 bus.
3. On-board voltage regulator chip supports wide voltage supply from 7 to 36V.
4. On-board integrated power isolation provides stable isolation voltage; the isolated end requires no additional power supply.
5. On-board integrated magnetic coupling isolation enables signal isolation, with high reliability and strong anti-interference capability.
6. On-board self-recovery fuse and TVS (Transient Voltage Suppressor) effectively suppress surge voltage and transient spike voltage in the circuit, protecting against overcurrent, overvoltage, lightning, and static electricity.
7. 12-bit DA conversion with high-precision resistors ensures more accurate output data.
8. Built-in watchdog ensures stable output without crashing.
9. Rail-mounted enclosure design supports stackable combination, enabling easy installation and safer use.
10. External 3 LED indicators for convenient viewing of MCU status and signal transmission/reception status.
Parameters:
1. Communication Interface: RS485
2. Communication Baud Rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
3. Default Communication Format: 9600, N, 8, 1
4. Modbus Protocol: Standard Modbus RTU Protocol
5. Supply Voltage: DC 7 to 36V
6. Output Mode: 8-channel current output / 8-channel voltage output
7. Resolution: 12-bit, 1 microampere / 12-bit, 1 millivolt
8. Range: 0~20mA / 0~10V
9. Output Accuracy: +/-0.03mA / +/-0.01V
Specification:
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4.1 ★★★★★
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Product Reviews
★★★★★ 2
Good to have if you've never seen the iTEP exam, but don't rely on it to boost your scores
Format: Paperback
This book is good in that it comes with two practice tests: one in the beginning of the book, one in the end of the book. The grading rubric is helpful too. However, the actual guide part of the book, doesn't help too much with how to improve test scores. What I like least about this guide is that it won't tell you which questions you answered incorrectly on the practice exams. A good test prep guide will tell you what you answered incorrectly, and will tell you what logic to follow to get to the correct answer. In the reading passages, it would be nice to know where I can find evidence to justify the "correct" answer. In the grammar section, it would be nice to know which rule I'm violating. Any test guide should always come with some testing strategies. I.E. If this question is taking up too much time, skip it and go to the next one. This guide lacks simple strategies like that. Simple strategies like that could be useful when incorporated into this guide because there are certain sections on the exam that you can go back to previous questions, but some sections where the "back" button is disabled.
Overall, if you've never seen an iTEP exam before, this book is certainly helpful in that it will give you an idea of what you will be testing for. However, this book alone won't help you achieve a score of 6. The table of contents itself will tell you there are only 86 pages of actual content covering test material. That's not enough to cover how to excel in the exam.
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Reviewed in the United States on January 27, 2015
★★★★★ 1
Don't buy it
Format: Paperback
It does not prepare for the real test.
Using it is absolutely not enough to be approved with good grades.
Too expensive for what it offers.
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Reviewed in the United States on October 21, 2016
★★★★★ 5
Five Stars
Format: Paperback
great
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Reviewed in the United States on September 18, 2016
★★★★★ 5
go o o o o
Format: Paperback
go o o o o d
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Reviewed in the United States on October 21, 2014
★★★★★ 1
One Star
Format: Paperback
Exactly the same as the free PDF I downloaded online for my student, only this costs $26 plus tax.
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Reviewed in the United States on April 3, 2017