Humandata USB-304, Руководство пользователя

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USB-304 (Ver.1.0)
Table of Contents
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Precautions ..................................................................................................... 1
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Revision History .............................................................................................. 2
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Introduction .................................................................................................... 2
1. Overview ............................................................................................................ 2
1.1. Power Supply ........................................................................................................4
1.2. Block Diagram ......................................................................................................4
2. Specifications ..................................................................................................... 5
2.1. Optional Accessories ............................................................................................6
2.2. RS-485/422(4 wire) Mode .....................................................................................7
2.3. RS-485(2 wire) Mode ............................................................................................7
3. Interface Terminal .............................................................................................. 8
4. Setting Switch .................................................................................................... 9
4.1. RS-485/422(4 wire) ...............................................................................................9
4.2. RS-485(2 wire) ................................................................................................... 10
4.3. Setting Switch (SWA2/SWB2) Function .......................................................... 10
5. Additional Documentation and User Support ................................................... 11
6. Warranty and Compensation............................................................................ 11