HIMA F8621A 984862160 Coprocessor module 10 MHz operating system

Description

Coprozessor Module F8621A
Next to each installed central module of the H51q-HS PES up to three coprocessor modules can be installed. The coprocessor module mainly contains:
– Microprocessor HD 64180 with a clock frequency of 10 MHz
– Operating system EPROM
– RAM for a PLC master project

Note:
The RAM for the master project is buffered via the batteries on the
monitoring module.
– Two interfaces RS 485, via communication software building block
setting of the baud rate up to 57600 bps
– Dual port RAM (DPR) for the communication with the central module
via Bus 1.

5 V DC Supply and Distribution
The 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, on the rear of the central rack the supply voltage
5 V DC and the appertaining GND is available.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 a 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 DC 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.

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