HIMA,F7553
HIMA,F7553
HIMA,F7553
HIMA,F7553
HIMA,F7553
HIMA,F7553
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F7553

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HIMA F7553 couples a B9302 H51q I/O rack to the controller bus while monitoring rack power and controlling the safety watchdog path.
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Technical specifications for F7553

  • Manufacturer:
    HIMA
  • Part Number:
    F7553
  • Product Family:
    HIMA HIQuad H41q/H51q
  • Product Type:
    I/O Bus Coupling Module
  • Stock:
    1
  • Power monitoring:
    Supervises the I/O subrack 5 V supply
  • Status transmission:
    Reports rack-supply condition to the central module
  • Front indicator WD:
    Safety-related watchdog status
  • Front indicator SEL:
    Access to the associated I/O modules
  • Watchdog control:
    Recessed WD switch for controlled module exchange
  • Address setting:
    Coding switches S1.1 through S1.4
  • Selectable I/O rack numbers:
    1 through 8
  • Selectable bus or cabinet identity:
    I/O bus 1 or 2
  • Automatic diagnostics:
    Module tested during operation
  • Space requirement:
    4 SU
  • Backplane supply:
    5 VDC at 600 mA
  • Field supply load:
    24 VDC at 750 mA
  • Dimensions:
    2 x 18.6 x 12.9 cm
  • Weight:
    0.16 kg
  • Tariff Code:
    8538900000
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Address Preservation Watchdog Procedure Rack Verification Application
  • I/O bus coupling for the B9302 H51q rack
  • Watchdog and rack-access indication at the front panel
  • Coded identification for bus and subrack assignment

F7553 links a remote I/O subrack to the H51q control architecture while supervising whether that rack has the supply and watchdog conditions required for controlled operation.

Its switch settings are part of the system configuration, so exchanging the hardware without restoring the exact bus and rack identity can isolate or misaddress the connected I/O.

After replacement, the coding switches, rack supply, WD and SEL indications, central diagnostics and representative I/O points should be verified before the subrack is acknowledged for operation.

Availability, condition, price, and shipping time for F7553 are confirmed during quotation.

HIMA F7553 I/O Bus Coupling Module Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Record all coding-switch positions before removing the module
  • Match the destination I/O bus and subrack identity
  • Compare the restored settings with the cabinet documentation
  • Place the affected rack in the approved maintenance state
  • Operate the recessed watchdog control in the documented sequence
  • Confirm the safety watchdog returns before system acknowledgement
  • Check the monitored rack supply and bus-cable seating
  • Review WD and SEL indications with central diagnostics
  • Exercise representative I/O points before releasing the rack
  • I/O bus coupling in B9302 H51q subracks
  • Watchdog-controlled replacement of an H51q rack coupler
  • Cabinet and subrack addressing for single or redundant I/O buses
Description
F7553 is the coupling module installed in the B9302 I/O-rack assembly for PES H51q. It monitors the rack's 5 V supply and sends the resulting status to the central module.

Front WD and SEL indicators show the safety watchdog and controller access to the associated rack. Coding switches assign the cabinet or I/O-bus identity and the subrack number.

The recessed watchdog switch supports controlled module exchange, but the correct maintenance sequence is essential. The replacement must reproduce switch settings, rack identity, bus connection and watchdog behavior before acknowledgement.
Alternative Names
HIMA F7553 HIMA F 7553 F 7553 HIMA H51q F7553 F 7553 I/O Bus Coupler
Technical notes
HIMA F7553 requires the original B9302 rack, coding-switch identity, watchdog sequence and bus cabling; incorrect addressing or removal procedure can stop the H51q system or disconnect I/O.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What must be copied from the old HIMA F7553 before replacement?
Record every coding-switch position, I/O bus or cabinet identity, subrack number, watchdog-switch position, rack cabling and the normal WD and SEL indications.
What happens if HIMA F7553 is removed without operating the watchdog switch correctly?
The manufacturer warns that the system can enter error stop. Follow the H51q maintenance sequence and confirm the affected rack is in the approved exchange state.
Can HIMA F7553 from another B9302 rack be installed directly?
Not until its coding switches are set for the destination I/O bus and subrack and the complete module, connector and rack identities have been checked.
What does the SEL indication on HIMA F7553 tell the technician?
SEL indicates access to the I/O modules in the associated subrack. Use it together with controller diagnostics rather than as a standalone proof of healthy communications.
Why can an H51q rack remain unavailable after fitting HIMA F7553?
Check coding-switch identity, 5 V rack supply, watchdog state, bus cable, backplane seating and central-module diagnostics before acknowledging the system.
Can HIMA F7553 be used in an H41q rack?
The exact data sheet identifies F7553 for the B9302 I/O-rack assembly in PES H51q. Do not select it for H41q by appearance alone.
How should HIMA F7553 be commissioned after replacement?
Verify supply monitoring, bus identity and WD/SEL indications, review central diagnostics, exercise representative I/O points and acknowledge the rack only under the approved plan.