#Option-03 (RS485)
Since RS485 Interface is very sensitive of electric noise. So please do the wiring from
AC Power and electric wires separately. Also you must use the shield cable always.
1. TYPE : RS485
2. Method : Half-duplex, Asynchronous method
3. Baud-rate : Select one of 2400, 4800, 9600bps
4. Parity : No Parity
5. Data bit : 8 bit
6. Stop bit : 1bit
Please set up the device No. referring to INDICATOR Manual.
(Can setup from 1 to 32 channel.)
7. Command Form (PC -> INDICATOR)
CODE BYTE1 BYTE2 BYTE3 BYTE4 BYTE5
ASCII I D 0 1 P
HEX 49H 44H 30H 31H 50H
1) BYTE1, BYTE2 : Fixed Charactor (ID)
2) BYTE3, BYTE4 : Device Number (1 ~ 32)
3) BYTE5 : Command Order (P, H, R, Z)
8. Command Chart
Command
ASCII HEX
Description
P 50H Transmit the current value of order equipment.
H 48H Hold for order equipment.
R 52H Release hold for order equipment.
Z 5AH Operate the current value of order equipment as ZERO.
30
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