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3BSE013262R1現(xiàn)場(chǎng)通信接口模塊
接線端子位置SMC Flex控制器接線端子位置如圖31所示至圖33。引入三相電源連接用于端子L1/1、L2/3和L3/5。線路電機(jī)的負(fù)載連接連接至T1/
2、T2/4和T3/6；與星形三角電機(jī)的負(fù)載連接連接至T1/2、T2/4、T3/6、T4/8、T5/10和T6/12。SMC Flex控制器在每個(gè)控制器上都有一個(gè)集成的機(jī)械運(yùn)行接觸器
電機(jī)相位，以最小化運(yùn)行期間產(chǎn)生的熱量。這些觸點(diǎn)在108…1250 A單元中按順序拉入。在5…85 A裝置中，
這些觸點(diǎn)同時(shí)被拉出。SMC Flex控制器還具有
電機(jī)每相上的內(nèi)置電流互感器（CT）
電流讀數(shù)。
電源接線有關(guān)電源接線片終端信息，請(qǐng)參閱產(chǎn)品銘牌或表7
包括：
?接線片容量
?擰緊力矩要求
?接線片套件目錄號(hào)（108…1250 A設(shè)備）默認(rèn)情況下，SMC Flex被編程為連接至線路控制
電機(jī)，如圖34所示。這些電機(jī)通常有3根引線，必須額定值在1…1250 A之間?？稍跒殡姍C(jī)和最終機(jī)電設(shè)備提供電流隔離的電路斷電。三角形連接您可以對(duì)SMC Flex控制器進(jìn)行編程，并將其連接到增量控制電機(jī)如圖35所示。這些電機(jī)通常有6或12根引線額定電流必須在1.8…1600 A之間。我們建議您添加隔離接觸器連接到電路，為電機(jī)和終端提供電流隔離機(jī)電斷電。額定電流為108…1250 A的設(shè)備需要電源接線片。在某些情況下，這些凸耳以三個(gè)接線片的套件出售。表7和表8列出了所需的凸耳?？刂贫俗泳€容量和緊固見產(chǎn)品銘牌扭矩要求。每個(gè)控制終端最多可接受兩個(gè)電線。施加控制電源前，請(qǐng)參閱產(chǎn)品銘牌。依靠關(guān)于具體應(yīng)用，附加控制電路變壓器VA容量可能需要。額定值為5…480 A的SMC Flex控制器接受100…240V AC或24V AC/DC，（+10/-15%）單相，50/60 Hz。A控件需要125 VA的電源?？刂齐娫匆罂刂颇K為75 VA。風(fēng)扇的控制電源要求為20、40、60 VA?？刂颇K和風(fēng)扇單獨(dú)接線。控件模塊要求如表9所示。風(fēng)扇需要額外電源如表11所示。
Wiring Terminal Locations
The SMC Flex controller wiring terminal locations are shown in Figure 31 through Figure 33. Incoming three-phase power connections are made to terminals L1/1, L2/3, and L3/5. Load connections to Line motors are made to T1/ 2, T2/4, and T3/6; load connections to Wye-Delta motors are made to T1/2, T2/4, T3/6, T4/8, T5/10, and T6/12.The SMC Flex controller has an integrated mechanical run contactor on each phase of the motor to minimize heat generation during run time. These contacts are pulled in sequentially in the 108…1250 A units. In the 5…85 A units, these contacts are pulled simultaneously. The SMC Flex controller also has a built-in current transformer (CT) on each phase of the motor to provide current readings. Power Wiring See the product nameplate or Table 7 for power lug termination information including: ? Lug wire capacity ? Tightening torque requirements ? Lug kit catalog numbers (108…1250 A devices)
The SMC Flex by default is programmed to be connected to a line controlled motor, as shown in Figure 34. These motors typically have 3 leads and must be rated between 1…1250 A. An optional isolation contactor can be added to the circuit to provide galvanic isolation of the motor and final electro-mechanical removal of power.
Delta Connection
You can program the SMC Flex controller and connect it to a delta-controlled motor as shown in Figure 35. These motors typically have 6 or 12 leads and must be rated between 1.8…1600 A. We recommend that you add an isolation contactor to the circuit to provide galvanic isolation of the motor and final electromechanical removal of power.Devices that are rated 108…1250 A require power lugs. In some cases, these lugs are sold in kits of three lugs. Table 7 and Table 8 list the number and type of lugs that are required.See the product nameplate for control terminal wire capacity and tightening torque requirements. Each control terminal can accept a maximum of two wires. See the product nameplate prior to applying control power. Depending on the specific application, additional control circuit transformer VA capacity may be required.SMC Flex controllers that are rated 5…480 A accept control power input of 100…240V AC or 24V AC/DC, (+10/–15%) single-phase, 50/60 Hz. A control power source of 125 VA is required. The control power requirement for the control module is 75 VA. The control power requirement for the fans is 20, 40, or 60 VA. The control module and fans are separately wired. The control module requirements are shown in Table 9. The fans require additional power as shown in Table 11.
