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6. COMMUNICATIONS THAT REQUIRE THE SEQUENCE PROGRAM
6.5
Partner Station Status Read (Status: Client)
This command is used to acquire the server station status.
(1) Request area
(2) Request answer area
Same as Initiate.
(3) Data area
Explanation
*1 The following values are set.
Communicable status (all services can be used) -------------- > 0
Communicable status (some services can be used) ---------- > 2
OD loading --------------------------------------------------------------- > 4
OD loading --------------------------------------------------------------- > 5
*2 The following values are set.
Operational -------------------------------------------------------------- > 0
Partially operational---------------------------------------------------- > 1
Not operational---------------------------------------------------------- > 2
Requires operation----------------------------------------------------- > 3
*3 The following values are set.
*
0
1
0040h
2
3
*
*
4
*
63
153
153
153
153
Address
Upper position
Second octe
1538
1539
00
Status comman
CREF No.
Logical Status*1
Physical Status*2
Local Detail*3
Lower position
First octet
Therd octe
6-5
MELSEC-A
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