The 5 V DC power supply does not have to be wired separately as it is already installed as part of the subrack.
The 5 V DC power is needed by the CPU, the control of the interfaces, and
the I/O modules. It is generated by a clocked 24 V DC/ 5V DC power supply module bearing the F 7130A identification. The subrack is equipped
with two power supply modules. The power supply modules are paralleled. If one of them fails, the other supplies the PES.The 5 V DC output
voltage of the power supply modules (for the CPU, I/O, and the interfaces)
are monitored on the central unit checking undervoltage and failure.
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 a lithium battery which is also on the central module.
– two clock-synchronised micro processors
– each mikroprocessor with an own memory, one processor operates
with real data and program and the other one with inverted data and
program
– testable hardware comparer for all the external accesses of both micro
processors, in case of a fault the watch dog will be set to the safe status and the status of the processor is announced
– Flash-EPROMs of the program memory for the operating system and
the user’s program usable for min. 100.000 writing cycles
– Data memory in sRAM
– Multiplexer to connect I/O bus, DPR and redundant CU (not used in
the H41q-MS system)
– Battery backup of the sRAMs via batteries on the central module with
monitoring and on the bus board
– 2 interfaces RS 485 with galvanic isolation. Transm. rate: max. 57600
bps. Set to 9600 bps and to 57600 bps by switch, or setting also of other transm. rates by software (the software values have priority)
– Diagnostic display and 2 LEDs for information out of the system, I/O
level and user’s program
– Dual Port RAM for fast memory access to the second central module
(not used in the H41q-MS system)
– hardware clock, battery backed
– I/O bus logic and connection to the input-/output modules
– Fail-safe watchdog
– power supply monitoring, testable (5 V system voltage)
– Battery monitoring
The prices of all products of Zhangzhou Fengyun may fluctuate at any time. The specific price is subject to the customer service quotation. Please confirm the model, product, price and other details with the customer service before placing the order. Second-hand and brand-new products are sold in the store. Please contact the customer service for details.
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H51q-HRS B5233-2 997205233
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