參數(shù)資料
型號(hào): BK5200
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運(yùn)算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁數(shù): 12/25頁
文件大?。?/td> 1295K
代理商: BK5200
Eiserstrae 5 / D-33415 Verl / Telefon 05246/963-0 / Telefax 05246/963-149
BK5200
Basic information
12
BK5200
particular in the description of the standard master units that are installed.
The chapters of this manual which deal with the fieldbus refer to the most
common of these standard units.
Processing complex signals
All byte-oriented signal channels such as RS232, RS485 and incremental
encoder, can use byte lengths greater than two. Apart from the actual diffe-
rence in length, the procedure is always comparable with that for analog
signals.
Starting operation and diagnostics
When the bus coupler is first switched on it at once checks the attached
configuration. A correct start-up procedure is indicated by the red LED ”I/O
ERR” going out. If this LED flashes, this indicates a fault somewhere in the
terminals. You can determine the actual error code by observing the speed
of flashing and number of flashes. This will enable you to clear the fault
quickly. You will find a detailed description in the chapter ”The diagnostic
LEDs”.
The diagnostic LEDs
The bus coupler has a status display consisting of two groups of LEDs.
The upper group has four LEDs which indicate the mode of the installed
fieldbus. The significance of these ”fieldbus status LEDs” is explained in
the appropriate chapters of this manual; they correspond to the usual dis-
plays for fieldbuses.
There are two more green LEDs at the top right-hand side of the bus cou-
pler to indicate the supply voltage. The left-hand LED shows the 24V
supply of the bus coupler. The left-hand LED shows the supply to the po-
wer contacts.
Local errors
Two LEDs, the ”I/O LEDs”, which are situated below the fieldbus status
LEDs described above, are used to display the operating mode of the bus
terminals and the connection to these bus terminals. The green LED lights
up to indicate error-free operation, where ”error-free” implies that commu-
nication with the fieldbus system is also operating correctly. The red LED
flashes at two different rates to indicate a fault, whereby the specific error
is encoded in the pattern of flashes, as follows.
Code of flashes
Rapid flashing
First slow sequence
Second slow sequence
Start of the error code
Type of error
Location of error
Type of error
1 flash
2 flashes
3 flashes
4 flashes
Connection to the bus terminals cannot be set up correctly
Break in the K-bus
Location of error
The number of flashes corresponds to the position of the lasK-bus terminal
before the error, not counting passive bus terminals such as power input
terminals.
The bus coupler will carry on flashing the error code even when you have
cleared the fault and its operating mode will remain at ”Stop”. The only way
to restart the bus coupler is by switching the power supply off and on
again.
You should not plug or unplug bus terminals from the series without first
turning off the power. The circuitry of the bus terminals and the bus coupler
is largely protected against damage, but if you modify the assembly while it
is under power, malfunctions and damage cannot be ruled out.
相關(guān)PDF資料
PDF描述
BK60A-048L-050F30G Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
BK60A-048L-120F13G Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
BK60A-048L-150F10 Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
BK60A-300L-050F30G Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
BK60A-300L-120F13G Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
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