Siemens Smart Infrastructure 74 319 0809 0 M4520 2022-06-15 5 / 12
Signal loss mode settings/信号丢失模式设置
Under the condition of Y signals not connected, the action mode of the actuator can be selected by
the 1 and 2 bits of the S4 dial code switch.
在 Y 信号未接通的情况下，可通过 S4 拨码开关的 1、2 位选择执行器的动作模式。
In order to determine the disc position fully closed “0 %” or fully open “100 %”, cali-bration is recommended on initial
commissioning of modulating type actuator.
为确定阀板位置处于完全关闭“0 %”状态或完全打开“100 %”状态，建议在模拟量控制执行器初次调试时进行校
准。
1. Supply power to ter-
minal 1 and 2.
Actuator moves to the position as indicated by control signal. (D4 flash)
2. Press button S1 for 3
seconds
Actuator moves to “100 %” position (valve open). (D4 light)
Actuator stops at “100 %” position (valve open), indicate light flashes (D6), and
then the actuator is ready to move towards “0 %”position (valve closed).
Actuator moves to “0 %” position (valve closed). (D7 flash once)
Actuator stops at “0 %” position (valve closed). The indicate light flashes (D4),
and then the calibration finished.
Actuator moves to the position as indicated by control signal. (D4 flash)
Note: When doing the Calibration procedure, the position of the cam calibration shall be already done (refer to cam adjustment).
执行器转动到 100 % 位置 (阀门开). (D4 亮)
执行器在 100 %的位置停止（阀门开），指示灯（D6）闪烁。然后执行器准备
向 0 %的方向转动（阀门关）
执行器转动到 0 %位置（阀门关）(D7 闪一次)
执行器在 0 %位置停止（阀门关），指示灯（D4）闪烁。
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