HIMA F8621A Coprocessor Module
HIMA F8621A
Coprocessor Module
H41q / H51q PES
Place of Origin:
Germany
Brand Name:
HIMA
HIMA F8621A
,Coprocessor Module
,H41q / H51q PES
Processing and Serial Data Exchange
The F8621A combines an onboard HD 64180 microprocessor, static memory and two galvanically isolated half-duplex RS-485 interfaces. Dual-port RAM provides fast memory access to the central module.
*Applicable to HIMA PES H41q/H51q installations from the documented operating-system version onward. Confirm the installed system revision and module configuration before ordering.
Specifications
Documented transmission rates:
Rates can be selected by software or taken from the CU DIP-switch settings. For serial Modbus connections, avoid 19.2 kbit/s due to documented interference risk; 9.6 or 57.6 kbit/s is recommended.
RAM buffering depends on the system arrangement: F7131 on H51q; rear-PCB buffer batteries on H41q.
Application & Failure Scenarios
RS-485 link unavailable
Inspect the module, cabling, interface settings and connected equipment when an established serial communication path fails.
Suspected hardware fault
A module-related fault can trigger spare-part identification and replacement assessment after the installed system has been diagnosed.
Maintenance delay
If the affected module is needed by the installed system, unresolved faults may extend troubleshooting and downtime. The actual impact depends on the plant's architecture.
These are maintenance scenarios, not a list of manufacturer-defined fault codes. Follow the approved site procedure for safety-system work.
Before Replacement
Check the F8621A label, H41q/H51q system generation, operating-system revision, slot requirements and existing interface settings. Do not treat another HIMA communication module as a direct substitute without system-specific confirmation.
Parts Sourcing & Order Support
Share your model and destination for a quotation covering availability, condition and order terms.
Request a Quotation
Provide the part number, quantity, destination and required date to begin your enquiry.
Delivery & Warranty
Inspection and functional testing depend on unit condition and available test facilities. Confirm the test scope before shipment.
Protective shipment packaging; original manufacturer packaging is subject to confirmation.
Report transit damage or suspected DOA promptly with order details and supporting evidence. Return handling follows the agreed sales terms.
Coverage period, exclusions and remedy are confirmed in the quotation or order confirmation.
Request for Quotation (RFQ)
Include these details to help confirm the correct part and order requirements.
Frequently Asked Questions
1. Which HIMA systems support the F8621A?
It is documented for H41q/H51q PES installations beginning with operating system 51 CB V6.0-6 (9808). Confirm the installed system revision and slot requirements before procurement.
2. Which serial interfaces and transmission rates are available?
The module has two galvanically isolated half-duplex RS-485 interfaces. Documented software-selected rates are 300, 600, 1,200, 2,400, 4,800, 9,600, 19,200 and 57,600 bps, with an option to take values from the CU DIP switches.
3. What supply requirement should be checked before installation?
The operating data specifies 5 V DC and 360 mA. Verify the applicable rack and system instructions before handling or installing the module.
4. Is 19.2 kbit/s recommended for serial Modbus connections?
No. Interference may occur at 19.2 kbit/s for serial Modbus connections via the F8621A. The documented recommendation is to use 9.6 or 57.6 kbit/s instead.
5. What information helps confirm a replacement F8621A?
Provide the module label, installed HIMA system family, operating-system revision and existing interface configuration. For a F8621A pdf/manual/datasheet enquiry, contact sales@amikon.cn.
Related Models
Other industrial automation part numbers for sourcing enquiries only. These items are not presented as compatible replacements for the F8621A.
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