6. COMMUNICATIONS THAT REQUIRE THE SEQUENCE PROGRAM
MELSEC-A
6-5
6.5
Partner Station Status Read (Status: Client)
This command is used to acquire the server station status.
(1) Request
area
0040h
0
1
2
3
4
63
*
*
*
*
Status comman
CREF No.
(2) Request
answer
area
Same as Initiate.
(3) Data area
153
153
153
153
Logical Status*1
Physical Status*2
Local Detail*3
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.
00
1538
1539
Address
Upper position
Lower position
Second octe
First octet
Therd octe