Siemens Simatic TDC/FM mc521 Memorycard 6DD1610-0AH3 8 KB EEPROM Revision Stand

Siemens Simatic TDC/FM mc521 Memorycard 6DD1610-0AH3 8 KB EEPROM Revision Stand

The hydraulic pump (6) forces oil from the suction chamber (3) to the pressure chamber (8) and thereby moving the pressure cylinder (2) downwards. The valve stem (11) retracts and the valve opens. Simultaneously the return spring (4) is compressed.

Activating the solenoid valve (5) allows the oil in the pressure chamber to flow back into the suction chamber. The compressed return spring moves the pressure cylinder upwards. The valve stem extends and the valve closes

Turning the manual adjuster (1) clockwise moves the pressure cylinder downwards and opens the valve. Simultaneously the return spring is compressed.

In the manual operation mode the control signals Y and Z can further open the valve but cannot move to the «0%» stroke position of the valve. To retain the manually set position, switch off the power supply or disconnect the control signals Y and Z. The red
indicator marked «MAN» is visible.

When setting the controller for a longer time period to manual operation, we recommend adjusting the actuator with the manual adjuster to the desired position. This guarantees that the actuator remains in this position for that time period. Attention: Do
not forget to switch back to automatic operation after the controller is set back to automatic control.

Turn the manual adjuster counterclockwise to the end stop. The pressure cylinder moves upward to the «0%» stroke position of the valve. The red indicator marked «MAN» is no longer visible.

The actuator can manually be adjusted to a stroke position > 0 % allowing its use in applications requiring constantly a minimal volumetric flow.
The SKD32.51, SKD32.21, SKD82.51.. and SKD62.. actuators, which feature a springreturn function, incorporate a solenoid valve which opens if the control signal or power fails. The return spring causes the actuator to move to the «0 %» stroke position and closes the valve.

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Shenzhen Wisdomlong Technology CO.,LTD Mainly engaged in automation parts, PLCS,DCS,sensors, relays, dirves,encoder, servo drive,soft starter,touch screen,instrument,process control,electric transmission and factory automation aspects of the project design,software programming,technical service and staff training. Our company locats at the central of China,Shenzhen, Guangdong Province. With rapid development, Wisdomlong serves fields of automation in global markets, Our business covers five continents throughout the world with the basic conviction of honest, the international management of customer-centered concept and purpose of bringing convenience to customers. We have confidence to bring our customers more substantial profit with high-quality service and reasonable prices. Choosing us,you will choose a sincere friend and reliable partner. Please feel free to contact us if you are a global manufacturer of high quality brand products who desires to enter the Chinese market or who searches for a Chinese agent.We would like to create a brilliant future with friends in domestic and overseas. All goods sold have one year warranty.

The company with domestic and international numerous well-known brands supplier to build have extremely good relations of cooperation, in Japan, South Korea, southeast Asia, Africa, Europe and the United States, and formed a stable and efficient supply network. The agent and the products are widely used in machinery, equipment manufacturing, electric power, metallurgy, petrochemical, automobile manufacturing industry, paper making, chemical industry, medicine and aerospace industries.

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