Texas Instruments RS485-HF-DPLX-EVM Скачать руководство пользователя страница 11 | Manualshive

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Texas Instruments RS485-HF-DPLX-EVM Скачать руководство пользователя страница 11

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【

Important Notice for Users of this Product in Japan

】

】

This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan

If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:

1.

Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,

2.

Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or

3.

Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.

Texas Instruments Japan Limited

(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan

http://www.tij.co.jp

【ご使用にあたっての注】

本開発キットは技術基準適合証明を受けておりません。

本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。

1.

電波法施行規則第

6

条第

1

項第

1

号に基づく平成

18

年

3

月

28

日総務省告示第

173

号で定められた電波暗室等の試験設備でご使用いただく。

2.

実験局の免許を取得後ご使用いただく。

3.

技術基準適合証明を取得後ご使用いただく。

なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。

　　　上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。

日本テキサス・インスツルメンツ株式会社

東京都新宿区西新宿６丁目２４番１号

西新宿三井ビル

http://www.tij.co.jp

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Содержание RS485-HF-DPLX-EVM

Страница 1: ...gures 1 RS 485 Half Duplex EVM Schematic 3 2 Bridging DUT_GND with EARTH_GND 3 3 Example for Stimulus and Probe Points with JMP4 and JMP14 4 4 Transceiver Configuration for Normal Operation 5 5 RS 485 Half Duplex EVM Setup for Normal Transceiver Operation 5 6 Configuration for Maximum Loading 6 7 RS 485 Half Duplex EVM Setup for Maximum Loading 6 8 RS 485 Half Duplex EVM Configurations Left as Rec...

Страница 2: ...VM See http www ti com tool rs485 hf dplx evm for more information 2 EVM Setup and Precautions Figure 1 shows the schematic of the EVM The EVM board has headers labeled from JMP1 to JMP14 JMP5 is omitted and two 3 pin terminal blocks labeled TB1 and TB2 These headers support device evaluation for a wide range of system configurations NOTE The examples in this document show a 3 3 V signal generator...

Страница 3: ...LUE LED Diode 1 2 C5 0 1uF R14 1k Ohms JMP7 Header 4x1 1 2 3 4 R1 1k Ohms JMP13 Header 3x1 1 2 3 JMP1 Header 4x1 1 2 3 4 JMP6 Header 4x1 1 2 3 4 TB1 3PIN_TERMINAL_BLOCK 1 2 3 JMP11 Header 3x1 1 2 3 R9 0 Ohm C8 UNINSTALLED R8 0 Ohm R10 0 Ohm www ti com EVM Setup and Precautions Figure 1 RS 485 Half Duplex EVM Schematic For the first measurements ignore the common mode simulation and connect EARTH t...

Страница 4: ... 2 Connect the oscilloscope with the respective probe points you want to measure 3 Adjust the power supply to match the VCC requirements of the selected RS 485 device 4 Adjust the generator outputs for a maximum output signal level based on the VCC requirements of your selected RS 485 device or check the logic switching levels of the controller I O 5 Connect the power supply conductor with pin 3 o...

Страница 5: ...P2 and the high potential for DE through a wire bridge from pin 2 to pin 1 at JMP3 Data from the signal generator enter the board at pin 2 and pin 3 of JMP4 This data is measured via channel 1 which is connected to pin 1 and pin 2 of JMP14 Channel 2 measures the receive data at JMP11 and channels 3 and 4 the bus voltages VA and VB at JMP6 2 Operation Under Maximum Load EIA 485 RS 485 specifies thr...

Страница 6: ...d to be implemented to reflect maximum load conditions replace R5 120 Ω default with 60 Ω replace R8 and R9 0 Ω default with 375 Ω connect pin 2 of JMP7 with pin 1 and pin 3 with pin 4 replace the previous wire bridge at TB1 with a second power supply unit PSU2 and connect the ground terminals of both PSU1 and PSU2 with a wire bridge as shown in Figure 7 Figure 7 RS 485 Half Duplex EVM Setup for M...

Страница 7: ... RE DE 1 JMP14 2 3 1 2 3 TB1 GND EARTH VCC 1 2 3 TB2 B A 3 3V 3 3V www ti com Powering Up the EVM and Taking Measurements Figure 8 RS 485 Half Duplex EVM Configurations Left as Receiver EVM Right as Transmitter EVM Figure 9 Top View of RS 485 Half Duplex EVM 7 SLLU173A October 2012 Revised November 2012 RS 485 Half Duplex Evaluation Module Submit Documentation Feedback Copyright 2012 Texas Instrum...

Страница 8: ...485 Half Duplex EVM For detailed information on the device parameters see the data sheet of the selected device at www ti com 8 RS 485 Half Duplex Evaluation Module SLLU173A October 2012 Revised November 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated ...

Страница 9: ...ency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required t...

Страница 10: ... its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this l...

Страница 11: ...er you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shi...

Страница 12: ... property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Plea...

Страница 13: ...regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures monitor failures and their consequence...

Страница 14: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments RS485 HF DPLX EVM ...

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