Mitsubishi Electronics JY992D97701 Network Card User Manual


 
α
2 Simple Application Controllers
Computer Link - Dedicated Protocol 5
5 - 4
5.3 How to read Dedicated Protocol
Format A for computer link is used for checking the communication line between the computer
and the
α
2 Series Controller. Thus, the read/write format for the structure of the string is
identical. Refer to section 7.1 for detailed 8-bit binary string structure.
Format A: Communication Line Check
Format B for computer link is generally used for reading/writing to all internal devices, reading/
writing to function block bit/word data, run/stop mode and configuring the Time Switch settings.
Thus, the command string is more complex compared to the Format A equilvalent.Refer to
section 8.3 for detailed 8-bit binary string structure.
Format B: Computer READS from the
α
2 Series Controller
Format B: Computer WRITES to the
α
2 Series Control
Format B: Computer RUN/STOP operation for the
α
2 Series Controller
S
T
X
E
N
Q
Computer
α
2 Controller
S
T
X
A
C
K
Computer
α
2 Controller
Complete
flag
S
T
X
E
T
X
S
T
X
S
T
X
E
T
X
Computer
α
2 Controller
Complete
flag
S
T
X
E
T
X
S
T
X
S
T
X
A
C
K
Computer
α
2 Controller
Complete
flag
S
T
X
E
T
X
S
T
X
S
T
X
A
C
K