Description
5shx14h4502 high voltage frequency conversion module
Attention: the maintenance rack after 3U shall always be supported on the device flange to prevent front deformation and overload. The field terminal on the cable field interface and relay card is acceptable at most: 2.5mm ˝ Single strand or multi strand conductor. Cables shall be carefully routed to avoid physical and environmental hazards such as mechanical stress and high temperature.
The sensor wiring shall be composed of cables with grounding external shield and shall be away from interference sources, such as AC power cables, motors, machinery, etc. All sensor cables shall conform to the maximum cable length and sensor type depending on the cable line resistance.
The rated current of power and relay cables shall always be:
Higher than the maximum load requirement in the worst case. All sensor field cables must be shielded to ensure proper system operation and meet European RFI standards, as well as EMC. The cable shield of each sensor shall be connected to the ground terminal of the appropriate field interface or relay card, or another suitable ground point.
The power requirement system 57 operates from a nominal 24V (18V to 32V) DC power supply with power input available from various sources, including mains AC, through a separate AC to DC power supply unit, local plant DC power supply and / or battery backup DC power supply.
Power is supplied to the system 57 via a DC input card which provides a terminal block that allows flexible power connection and diode isolation for two independent power inputs. The required power rating depends on the sensor type, the number of channels of the system 57, and the configuration budget calculation table allows a quick and easy calculation of the worst-case power requirements of the system. However, a more detailed power budget can be used and should be analyzed to confirm the exact requirements.
The 8-way AC to DC power supply device can provide 50W DC power supply or 100W DC power supply, depending on whether the single switch mode or the dual switch mode module is included in the power supply unit. Similarly, the 16 way AC to DC power supply unit can provide 50W, 100W, 150W and 200W DC power, depending on whether one, two, three or four switching mode modules are included in the power supply unit.
