SAMWONTECH
4th Edition of TEMI880 IM : Jan. 29. 2007 Page 95 / 119
4.3.5 RRD Command
▶ This command for reading D-Register random.
▶Transmission Format
Byte
1
2
3
1
2
1
4
1
4
1
…
S
T
Command
element
X
Addr
RRD
,
Para.
number
,
D-Reg. No1
,
D-Reg. No2
,
…
1
4
1
4
2
1
1
C
L
,
D-Reg. No(n-1)
,
D-Reg. No(n)
SUM
R
F
▶ Response
Byte
1
2
3
1
2
1
4
1
4
1
…
S
T
Command
element
X
Addr
RRD
,
OK
,
dddd-1
,
dddd-2
,
…
1
4
1
4
2
1
1
C
L
,
dddd-(n-1)
,
dddd-n
SUM
R
F
- Para. number : 1~32.
- dddd : Indicates a character string in hexadecimal format.
ex) When the reading Temp. SP(D0001), Temp. SP(D0002).
- Transmission : [stx]01RRD,02,0001,0002[cr][lf]
- Transmission (Include Check Sum) : [stx]01RRD,02,0001,0002B2[cr][lf]
When Temp. PV value is 50.0 and Temp. SP value is 30.0.
- Response : [stx]01RRD,OK,01F4,012C[cr][lf]
- Response (Include Check Sum) : [stx]01RRD,OK,01F4,012C18[cr][lf]