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1
FWD-S42H1
1. Communication Parameters
Communication method RS-232C
Synchronous method Asynchronous
Baud rate 9600bps
Character length 8bit
Parity None
Start bit length 1bit
Stop bit length 1bit
Flow control None
2. Pin Assignment
3. Communication Data Format
(a) Control message
No. Item Value
1 Header 0x8C: Control
2 Category 0xXX
3 Function 0xXX
4 Data1 (Length) 0xXX
5 Data2 (Data1) 0xXX
: : 0xXX
: : 0xXX
X DataX 0xXX
X+1 Check Sum 0xXX
* Check Sum: Sum total of 1 to X. Lower one-byte data is validated when a value exceeds 255 (1byte).
* Set the command interval to 500 ms or more when transmitting the Control command continuously.
* Set the command interval to 500 ms or more when transmitting the same command (Enquiry) after the Control command.
12345
Monitor side (D-sub 9-pin)
_ External view _
6789
12345
6789
Host side (D-sub 9-pin)
_ External view _
Pin No. Function
1 NC
2 TXD
3 RXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Pin No. Function
1 NC
2 RXD
3 TXD
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
Section 1
RS-232C