Toshiba GR200 Series - Page 1439

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 1416 -
Command
ACK/NACK
ACK
Class 1
Primary
station
General
Command
Secondary
station
Figure 11.4-8 Command receiving sequence
In the transmission format of General command (Type ID=20), customized items are
shown in Table 11.4-10.
Table 11.4-10 General command (Type ID=20)
Oct.
Item
Value
Remarks
1
Start
68H
2
Length
10
3
Length
10
4
Start
68H
5
Control field
73H/53H
6
Address
1-254
Setting from the relay
7
Type identification (Type ID)
20
8
Variable structure qualifier
81H
9
Cause of transmission (COT)
20
10
Common address of ASDU
1-254
Linked with Address setting
11
Function type (FUN)
0-255
12
Information number (INF)
0-255
Customized by the GR-TIEMS
13
Double command (DCO)
1/2
14
Return Information identifier (RII)
0-65535
15
Checksum
16
End
16H
In the transmission format of Command ACK/NACK (Type ID=1), customized items
are shown in Table 11.4-11. The frame type of Command ACK/NACK is Time-tagged
message.
Table 11.4-11 Time-tagged message (Type ID=1)
Oct.
Item
Value
Remarks
1
Start
68H
2
Length
14
3
Length
14