7.30
SEL-700G Relay
Instruction Manual
Date Code 20170814
Communications
SEL ASCII Protocol and Commands
GST Command (Trigger GSR)
The GST (level 1) command triggers the generator autosynchronism report
data acquisition.
GOOSE Command
Use the GOOSE command to display transmit and receive GOOSE
messaging information, which you can use for troubleshooting. The GOOSE
command variants and options are shown in Table 7.21.
The information displayed for each GOOSE IED is described in Table 7.22.
Table 7.21
GOOSE Command Variants
Command Variant
Description
Access Level
GOOSE
Display GOOSE information.
1
GOOSE count
Display GOOSE information count times.
1
Table 7.22
GOOSE IED Description
(Sheet 1 of 2)
IED
Description
Transmit
GOOSE Control
Reference
This field represents the GOOSE control reference information that
includes the IED name, ldInst (Logical Device Instance), LN0
lnClass (Logical Node Class), and GSEControl name (GSE Control
Block Name) (for example, SEL_700G_1CFG/
LLN0$GO$GooseDSet13).
Receive
GOOSE Control
Reference
This field represents the goCbRef (GOOSE Control Block
Reference) information that includes the iedName (IED name),
ldInst (Logical Device Instance), LN0 lnClass (Logical Node
Class), and cbName (GSE Control Block Name) (for example,
SEL_700G_1CFG/LLN0$GO$GooseDSet13).
MultiCastAddr
(Multicast Address)
This hexadecimal field represents the GOOSE multicast address.
Ptag
This three-bit decimal field represents the priority tag value, where
spaces are used if the priority tag is unknown.
Vlan
This 12-bit decimal field represents the virtual LAN (Local Area
Network) value, where spaces are used if the virtual LAN is
unknown.
StNum
(State
Number)
This hexadecimal field represents the state number that increments
with each state change.
SqNum
(Sequence
Number)
This hexadecimal field represents the sequence number that
increments with each GOOSE message sent.
TTL
(Time to Live)
This field contains the time (in ms) before the next message is
expected.
Summary of Contents for SEL-700G Series
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