overview：
HIMA F8621A coprocessor module features its own microprocessor, HD 64180, and operates at a clock frequency of 10 MHz. It primarily includes the following functions:
384 Kbyte static memory, CMOS-RAM, and EPROM on 2 ICs. The RAM is battery-buffered by the power supply monitoring module F 7131.
2 RS 485 interfaces (half-duplex), with galvanic isolation and its own communication processor. Transmission rates (set via software): 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600bps, or takeover of values set on the CU via the DIP switch.
Dual Port RAM for fast memory access to the second central module.
Space requirement: 4 TE.
Operating voltage: 5 V DC, current consumption: 360 mA.
Features of HIMA F8621A:
- Processor: The HIMA F8621A coprocessor module is equipped with an HD 64180 microprocessor, operating at a clock frequency of 10 MHz.
- Large static memory: The inclusion of 384 KB of static memory (CMOS-RAM and EPROM), stored on two ICs, allows fast storage and retrieval of data in real-time operation.
- Battery-buffered RAM: The RAM is battery-buffered by a power monitoring module (F 7131), ensuring that data is retained even during power outages or shutdowns.
- Dual RS 485 interfaces: The module features two RS 485 interfaces (half-duplex) with galvanic isolation and its own communication processor.
- Dual-port RAM for fast memory access: The dual-port RAM allows fast data exchange between the coprocessor and another central module.
Settings S1 ... S4 for RS 485 interfaces：
Interface 1:
Interface 2:
Other settings as provided in the table are not admissible.
Pin allocation of the RS 485 interface channels:
| Pin | RS 485 Signal | Description |
|---|---|---|
| 1 | - | Not used |
| 2 | RP | 5 V, decoupled by diodes |
| 3 | A/A | RxD/TxD-A Receive/Transmit-Data-A |
| 4 | - | CNTR-A Control signal A |
| 5 | C/C | DGND Data Ground |
| 6 | VP | 5 V, positive pole of power supply |
| 7 | - | Not used |
| 8 | B/B | RxD/TxD-B Receive/Transmit-Data-B |
| 9 | - | CNTR-B Control signal B |
This is the main functionality of the HIMA F8621A coprocessor module and the pin configuration of the RS 485 interface.
HIMA F8621A - Q&a
Q: What is the brand?
A: HIMA
Q: What is the type?
A: Coprocessor Module
Q: What is the warranty period?
A: 1 year.
Q: What is the product condition?
A: New.
Q: Where is the shipping location?
A: Xiamen.
Q: What is the payment method?
Answer: T/T (Telegraphic Transfer).
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