This command for reading D-Register random
3.5 RRD Command
■ Transmission Format
Byte
Command
element
1
■ Response
2
3
1
2
1
4
1
1
. . .
S
T
X
Addr RRD
,
OK
,
dddd-1
,
,
. . .
4
dddd-2
1
4
1
2
1
,
dddd-(n-1)
,
SUM
C
R
4
dddd-(n)
1
L
F
- Parameter number : 1 ~ 32
- dddd : Indicates a character string in hexadecimal format
Ex) When reading the D-Register from PV(D0001), SP(D0002)
- Transmission : [stx]01RRD,02,0001,0002[cr][lf]
- Transmission (Include Check Sum) : [stx]01RRD,02,0001,0002B2[cr][lf]
D0001 = 50.0, D0002 = 30.0
- Transmission : [stx]01RRD,OK,01F4,012C[cr][lf]
- Transmission (Include Check Sum) : [stx]01RRD,OK,01F4,012C18[cr][lf]
Byte
Command
element
1
2
3
1
2
1
4
1
1
. . .
S
T
X
Addr RRD
,
Para
meter
numb
er
,
D-Reg.No1
,
,
. . .
4
D-Reg.No2
1
4
1
2
1
,
D-Reg.No(n-1)
,
SUM
C
R
4
D-Reg.No(n)
1
L
F