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HIMA F3417A機器人備件

HIMA F3417A機器人備件

HIMA F3417A機器人備件它們可以連接到模塊的GND端子之一(通過內部路徑連接到機架接地),如下圖所示。如有必要提高噪聲抗擾度,可使用導線將模塊上的GND端子連接至接地,如圖39所示。這將繞過模塊周圍的噪聲。模擬源模擬輸入模塊GND可選接地導體接地模擬源模擬源模擬電源圖39:連接到模塊端子板PACSystems*RX3i系統手冊第3節GFK-2314T 2019年9月安裝58 2.6.4.1...

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HIMA F3417A機器人備件

    HIMA F3417A機器人備件

    它們可以連接到模塊的GND端子之一(通過內部路徑連接到機架接地),如下圖所示。如有必要提高噪聲抗擾度,可使用導線將模塊上的GND端子連接至接地,如圖39所示。這將繞過模塊周圍的噪聲。模擬源模擬輸入模塊GND可選接地導體接地模擬源模擬源模擬電源圖39:連接到模塊端子板PACSystems*RX3i系統手冊第3節GFK-2314T 2019年9月安裝58 2.6.4.10.2電流傳感器接線對于圖40至圖43中顯示的所有示例,如果電源是浮動的,則將(-)導線連接到模擬輸入模塊COM端子,以限制共模電壓。共模電壓限制為11伏。如果噪聲導致讀數不準確,(-)導線也可以連接到模擬輸入模塊GND端子。+/-AC/DC 4WT+-模擬輸入模塊C G COM GND僅在現場設備端將電纜屏蔽接地圖40:4線傳感器,外部由交流或直流電源供電+-PS+2WT-模擬輸入模件C G COM地線+-僅在現場裝置端將電纜保護接地圖41:2線傳感器,外部由直流電源供電+-PS 3WT+-模擬輸入模塊C G COM GND+-僅現場設備端電纜屏蔽接地圖42:3線傳感器,外部由直流供電+-2WT+-僅模擬輸入模塊G COM GND接地現場設備端的電纜屏蔽圖43:2線傳感器,自供電PACSystems*RX3i系統手冊第3節GFK-2314T 2019年9月安裝59附錄A:連接到兩個測量設備的2線傳感器如圖44所示,如果電源是浮動的,將(-)導線連接到模擬輸入模塊COM端子,以限制共模電壓。共模電壓限制為11伏。如果噪聲導致讀數不準確,(-)導線也可以連接到模擬輸入模塊GND端子。模擬模塊必須是電路上的最后一個設備。當模擬輸入模塊的(-)返回側接地時,其他電流傳感裝置必須是浮動的,并且能夠承受至少20 V的共模電壓,包括噪聲水平。+/-PS 2WT+-僅模擬輸入模塊C G COM GND+-電流傳感設備+-圖44:連接到兩個測量設備的2線傳感器2.6.4.10.3驗證模擬輸入電流RX3i模擬電流輸入模塊在輸入端子兩端具有內部250W電阻器。您可以使用電壓表測量輸入端子兩端的電壓,然后使用歐姆定律確定輸入電流:輸入電流(安培)=V/250例如,如果您在輸入端子兩端測量到3 V:輸入電流(單位:安培)=3/250輸入電流(安培)=0.012(或12 mA)PACSystems*RX3i系統手冊第3節GFK-2314T 2019年9月安裝60 2.6.4.10.4模擬輸出模塊的屏蔽連接對于模擬輸出模塊,屏蔽通常僅在源端接地(即模塊-圖45)。GND連接提供了對背板(機架接地)的訪問,從而對任何屏蔽漏極電流引起的噪聲產生了卓越的抑制。在極端噪聲環境中,您可以將可選的接地編織線從GND端子連接到外部接地,以繞過模塊周圍的噪聲。模擬輸出模塊用戶負載COM OUT GND COM OUT屏蔽僅連接在模塊端用戶負載可選接地導體接地圖45:模擬輸出模塊PACSystems的屏蔽連接*RX3i系統手冊第3節GFK-2314T 2019年9月安裝61附錄A:模擬輸出屏蔽接地,帶端子排如果模擬輸出模塊和現場設備(用戶負載),使用圖46中的方法接地電纜屏蔽。每條電纜僅一端接地,一端靠近模擬輸出模塊。對于需要額外噪聲抑制的安裝,圖示了模塊GND端子的可選外部接地連接。

    They can be connected to one of the GND terminals of the module (which are connected to frame ground through an internal path) as shown left below. If necessary to improve noise immunity, a conductor can be used to connect a GND terminal on the module to earth ground as displayed in Figure 39. This will bypass noise around the module. Analog Source Analog Input Module GND Optional Ground Conductor Earth Ground Analog Source Analog Source Analog Source Figure 39: Analog Input Shields Connected to Module Terminal Board PACSystems* RX3i System Manual Section 3 GFK-2314T Sept. 2019 Installation 58 2.6.4.10.2 Wiring for Current Transducers For all of the examples displayed in Figure 40 through Figure 43, connect the (-) conductor to the Analog Input module COM terminal, if the source is floating, to limit common-mode voltages. Common mode voltage is limited to 11 volts. If noise causes inaccurate readings, the (-) conductor can also be connected to the Analog Input module GND terminal. + - AC/DC 4WT + - Analog Input Module C G COM GND Ground the Cable Shield at field device end only Figure 40: 4-Wire Transducer, Externally Powered by AC or DC Supply + - PS + 2WT - Analog Input Module C G COM GND + - Ground the Cable Shield at field device end only Figure 41: 2-Wire Transducer, Externally Powered by DC Supply + - PS 3WT + - Analog Input Module C G COM GND + - Out Ground the Cable Shield at field device end only Figure 42: 3-Wire Transducer, Externally Powered by DC Supply + - 2WT + - Ground the Cable Shield at field device end only Analog Input Module C G COM GND Figure 43: 2-Wire Transducer, Self-Powered PACSystems* RX3i System Manual Section 3 GFK-2314T Sept. 2019 Installation 59 Appendix A: 2-Wire Transducer Connected to Two Measuring Devices As shown in Figure 44, connect the (-) conductor to the Analog Input module COM terminal, if the source is floating, to limit common-mode voltages. Common mode voltage is limited to 11 volts. If noise causes inaccurate readings, the (-) conductor can also be connected to the Analog Input module GND terminal. The analog module must be the last device on the circuit. When grounding the (-) return side of the Analog Input Module, the other current-sensing device must be floating and able to withstand a common mode voltage of at least 20 V, including the noise level. + - PS 2WT + - Ground the Cable Shield at field device end only Analog Input Module C G COM GND + - Current Sensing Device + - Figure 44: 2-Wire Transducer Connected to Two Measuring Devices 2.6.4.10.3 Verifying Analog Input Current RX3i Analog Current Input Modules have an internal 250W resistor across the input terminals. You can measure the voltage across the input terminals using a voltmeter, then use Ohm’s Law to determine the input current: Input Current (in Amps) = V / 250 For example, if you measured 3 V across the input terminals: Input Current (in Amps) = 3/250 Input Current (in Amps) = 0.012 (or 12 mA) PACSystems* RX3i System Manual Section 3 GFK-2314T Sept. 2019 Installation 60 2.6.4.10.4 Shield Connections for Analog Output Modules For analog output modules, the shield is normally grounded only at the source end (i.e. at the module - Figure 45). The GND connection provides access to the backplane (frame ground) resulting in superior rejection of noise caused by any shield drain currents. In extreme-noise environments, you can connect an optional ground braid from the GND terminal to an external earth ground to bypass noise around the module. Analog Output Module User Load COM OUT GND COM OUT Shield connected at module end only User Load Optional Ground Conductor Earth Ground Figure 45: Shield Connections for Analog Output Module PACSystems* RX3i System Manual Section 3 GFK-2314T Sept. 2019 Installation 61 Appendix A: Analog Output Shield Grounding with a Terminal Strip If there is a terminal strip between the analog output module and the field devices (user loads), use the method in Figure 46 for grounding the cable shields. Each cable is only grounded at one end, the end closer to the Analog Output Module. An optional external ground connection to the GND terminal of the module is illustrated for installations that require extra noise suppression.

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    品牌: HIMA

    型號:HIMA F3417A 

    成色:全新/二手

    發貨方式:快遞發貨


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