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3BSE013262R1现场通信接口模块
接线端子位置SMC Flex控制器接线端子位置如图31所示至图33。引入三相电源连接用于端子L1/1、L2/3和L3/5。线路电机的负载连接连接至T1/
2、T2/4和T3/6；与星形三角电机的负载连接连接至T1/2、T2/4、T3/6、T4/8、T5/10和T6/12。SMC Flex控制器在每个控制器上都有一个集成的机械运行接触器
电机相位，以最小化运行期间产生的热量。这些触点在108…1250 A单元中按顺序拉入。在5…85 A装置中，
这些触点同时被拉出。SMC Flex控制器还具有
电机每相上的内置电流互感器（CT）
电流读数。
电源接线有关电源接线片终端信息，请参阅产品铭牌或表7
包括：
•接线片容量
•拧紧力矩要求
•接线片套件目录号（108…1250 A设备）默认情况下，SMC Flex被编程为连接至线路控制
电机，如图34所示。这些电机通常有3根引线，必须额定值在1…1250 A之间。可在为电机和最终机电设备提供电流隔离的电路断电。三角形连接您可以对SMC Flex控制器进行编程，并将其连接到增量控制电机如图35所示。这些电机通常有6或12根引线额定电流必须在1.8…1600 A之间。我们建议您添加隔离接触器连接到电路，为电机和终端提供电流隔离机电断电。额定电流为108…1250 A的设备需要电源接线片。在某些情况下，这些凸耳以三个接线片的套件出售。表7和表8列出了所需的凸耳。控制端子线容量和紧固见产品铭牌扭矩要求。每个控制终端最多可接受两个电线。施加控制电源前，请参阅产品铭牌。依靠关于具体应用，附加控制电路变压器VA容量可能需要。额定值为5…480 A的SMC Flex控制器接受100…240V AC或24V AC/DC，（+10/-15%）单相，50/60 Hz。A控件需要125 VA的电源。控制电源要求控制模块为75 VA。风扇的控制电源要求为20、40、60 VA。控制模块和风扇单独接线。控件模块要求如表9所示。风扇需要额外电源如表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.
