Link Layer; Application Layer - GE 350 Communications Manual

IEC 60870-5-103 SERIAL COMMUNICATION

Link layer

Application layer

2–16
Optical interface
□
Glass fibre
□
Plastic fibre
□
F-SMA type connector
□
BFOC/2,5 type connector
Transmission speed
⊠
⊠
There are no choices for the Link Layer.
Transmission mode for application data
Mode 1 (least significant octet first), is used exclusively in this companion standard.
Common address of ASDU
⊠
One COMMON ADDRESS OF ASDU (identical with station address)
More than one COMMON ADDRESS OF ASDU
Selection of standard information numbers in monitor direction
Table 2-4: System functions in monitor direction
INF
⊠
<0>
⊠
<0>
⊠
<2>
⊠
<3>
⊠
<4>
⊠
<5>
Table 2-5: Status indications in monitor direction
INF Semantics
□
<16> Auto-recloser active
□
<17> Teleprotection active
□
<18> Protection active
□
<19> LED reset
□
<20> Monitor direction blocked
□
<21> Test mode
□
<22> Local parameter setting
□
<23> Characteristic 1
□
<24> Characteristic 2
□
<25> Characteristic 3
□
<26> Characteristic 4
□
<27> Auxiliary input 1
CHAPTER 2: RS485 INTERFACE
9600 bits/s
19200 bits/s
Semantics
End of general interrogation
Time synchronization
Reset FCB
Reset CU
Start/restart
Power on
350 Identifier
350 FEEDER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
350 Data Text