Description
The F6217 984621702 5 V DC power supply does not have to be wired extra as it is already part of the installation.
To supply the I/O racks the 5 V power supply with corresponding GND is available at the rear side of the central rack.
The 5 V DC power needed for the microprocessor system and as control current for the I/O modules is generated from the 24 V DC power of the system via clocked 24 V DC/ 5 V DC power supply modules bearing the F 7126 identification. One central rack can be equipped with a maximum of 3 power supply modules. The power supply modules are switched in parallel. One or two power supply modules are usually able to supply the PES. A further power supply module is used to increase availability.
The output voltage of the power supply modules is checked as to undervoltage or failure by the monitoring module F 7131.
In case of a faulty power supply module the operating system supplies the user’s program via a system variable with this information.
In case the 5 V system power fails hardware clock and sRAM on the central module are buffered by one lithium battery on the central module.
Two lithium batteries on the power supply monitoring module F 7131 are to buffer the sRAM on the coprocessor module.
| brand | Product Name | Product model | Order No |
| HIMA | modular | F6217 984621702 | nothing |
| Place of Origin | Marketable land | Imported or not | defects liability period |
| Europe and America | Nationwide and overseas | yes | a year |
| Place of shipment | Delivery method | How to use | Applicable industries |
| Xiamen | Shunfeng Express | Commissioning and installation | Power Plant Steel Plant Cement Plant Shipboard Papermaking |
| Service advantages | Foreign import, goods preparation and supply | Reasonable price and reliable quality | Pictures are for reference only |
| Product features | Primary source of goods, supply by model | After sales guarantee | Chen 1810693-7731 |
The data connection of the I/O level with the central device is established via the I/O bus. The I/O bus coupling modules are already integrated in the central rack. With the I/O rack the connection to the I/O bus is via a coupling module F 7553 installed in slot 17. The connection of the bus between the individual subracks is establiblished at the rear side via the BV 7032 data cable.To terminate the I/O bus, an F 7546 module is plugged in at the beginning and the end.
The construction principle is shown on the following page.
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