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3BHE004573R0141串行鏈路配套卡件
顯示和連接模塊外殼
1 16個黃色LED,用于顯示信號狀態(tài)
輸入2個LED“總線錯誤”、“過載”和“電源”
指示操作條件和錯誤(參見“診斷和顯示”部分)
3 CS31總線連接器(輸入)
4 CS31總線連接器(輸出)
5 16個輸入連接器
6個PG11電纜密封套,用于24 V DC電源7 24 V DC和PE的端子位于可拆卸的蓋子??梢詮捻敳窟M入模塊用于設(shè)置模塊的DIL開關(guān)地址也在封面下面。
8標(biāo)簽字段9安裝鉆孔(另見“尺寸標(biāo)注圖紙”)
電氣連接下圖顯示了電氣連接。必須在每個模塊上設(shè)置地址,以便中央單元可以正確訪問輸入和輸出。
關(guān)于項目的詳細描述“尋址”包含在章節(jié)中中央單元和耦合器的“尋址”。
模塊地址設(shè)置在位于在模塊頂部的蓋子下面。短路或過載時的行為
傳感器:
傳感器輸入接頭處的電源連接通過溫度相關(guān)電阻器連接(PTC熱敏電阻)至螺釘式+24 V DC輸入端終端。如果傳感器發(fā)生過載或短路,PTC將起過載保護作用。A.電壓監(jiān)測電路產(chǎn)生錯誤信息在欠壓情況下(LED“過載”亮起)。下圖演示了該函數(shù)。短路或過載消除后,模塊可以再次正常運行。紅色LED“過載”熄滅。發(fā)送給主機的錯誤消息:如果發(fā)生短路或過載,錯誤消息連同錯誤代碼一起發(fā)送給主服務(wù)器4號。在每種情況下,信道0都被視為故障,獨立于真正涉及的渠道。錯誤消息保持至少5秒,甚至如果短路或過載已在時間更短。
有關(guān)診斷的更多信息,請參閱用作總線的中央單元和耦合器的說明大師。CS31系統(tǒng)總線連接是電氣隔離的來自其余模塊組件。該模塊提供診斷功能(參見章節(jié)“診斷和顯示”)。
Displays and connections at
module housing
1 16 yellow LEDs for displaying the signal statuses of
the inputs
2 LEDs ”Bus Error”, ”O(jiān)verload” and ”Supply”
indicating of operating conditions and errors (see
section ”Diagnosis and displays”)
3 CS31 bus connector (input)
4 CS31 bus connector (output)
5 16 connectors for the inputs
6 PG11 cable gland for the 24 V DC power supply
7 The terminals for 24 V DC and PE are located under
a removable cover. It is accessible from the top of
the module. The DIL switch for setting the module
address is also under the cover.
8 Labelling fields
9 Bore holes for mounting (see also ”Dimensioned
drawing” at the end of this description)
Electrical connection
The following figure shows all details necessary for the
electrical connection.An address has to be set on each module, so that the
central unit can access the inputs and outputs correctly.
A detailed description concerning the item
”Addressing” is contained in the chapters
”Addressing” of the central units and couplers.
The module address is set on the DIL switch located
under the cover at the top side of the module.Behaviour in case of short–circuit or overload at
sensors:
The supply connections at the sensor input connectors
are connected via a temperature–dependent resistor
(PTC thermistor) to the +24 V DC input of the screw–type
terminals. If an overload or a short–circuit occurs with a sensor, the PTC will work as an overload protection. A
voltage monitoring circuitry generates an error message
in case of undervoltage (the LED ”O(jiān)verload” lights up).
The following figure demonstrates the function.After the short–circuit or overload has been eliminated,
the module can operate correctly again. The red LED
”O(jiān)verload” goes out.
Error message to the master:
In case of a short–circuit or an overload, an error
message is sent to the master, along with the error code
No. 4. In each case, the channel No. 0 is given as faulty,
independent of the really involved channel. The error
message is kept up for a period of at least 5 seconds, even
if the short–circuit or overload has been remedied in a
shorter time.
Fur further information concerning diagnosis, see the
descriptions of the central units and couplers used as bus
masters.The CS31 system bus connection is electrically isolated
from remaining module components.
The module offers diagnosis functions (see chapter”Diagnosis and displays”).