Contec GP-IB(USB)FL, Руководство пользователя

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3. External Connection
GP-IB(USB)FL
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(3) The cables in the system must not form a loop.
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(4) Unplug the cable from any device which is left off for some reason such as a fault.
(5) When powering the measurement system, turn on the measuring instrument first and then on the PC.
(6) Neither unplug/plug the cable nor turn on/off the device during communication. Doing so stops the
operation or causes an error, resulting in trouble.
(7) The talker and listener must be addressed to talk and to listen, respectively, by the controller before
the talker can send messages to the listener.
(8) At least two thirds of all the devices connected must be turned on.
For EMC measures
(1) For the radiation EMC measures, attach the ferrite core to *1.
(2) For the transmission EMS measures, attach the ferrite cores to *1 and *3.
(3) For the static electricity measures, attach the ferrite cores to *1 and *3.
Then, attach a copper wire to *2 using copper foil tape to connect to the earth.
* 1
* 2
* 3
- *2 represents the frame and signal grounds of this product.
- It is effective to use 2turn when attaching to *3.
- We recommend the ferrite core of SEIWA ELECTRIC MFG. CO., LTD. (E04SR301334)
- For meeting the standard level of CE mark, it is effective to perform (1)(2)(3).
- For meeting the standard level of VCCI, FCC, it is effective to perform (1)(2).