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7.18
SEL-787 Relay
Instruction Manual
Date Code 20081022
Communications
SEL ASCII Protocol and Commands
For example, use the following command to set Remote bit RB05:
=>>
CON RB05 S <Enter>
COPY Command
Use the
COPY
j k
) to copy the settings of settings
Group
j
to the settings of settings Group
k
. The settings of settings Group
j
effectively overwrite the settings of settings Group
k
. Parameters
j
and
k
can
be any available settings group number 1 through 4.
For example when you enter the
COPY 1 3
command, the relay responds,
Are
you sure (Y/N)?
Answer
Y <Enter>
(for yes) to complete copying. The
resultant settings in Group 3 are overwritten by the settings in Group 1 and
pulse the SALARM Relay Word bit.
COUNTER Command (Counter Values)
The device generates the values of the 32 counters in response to the
COU
command (see
).
DATE Command (View/Change Date)
Use the
DATE
) to view and set the relay date.
Table 7.10
CONTROL Command
Command
Description
Access Level
CON RB
nn
a
k
b
a
Parameter nn is a number from 01 to 32, representing RB01 through RB32.
b
Parameter k is S, C, or P.
Set a Remote Bit to set, clear, or pulse.
2
Table 7.11
Three Remote Bit States
Subcommand
Description
Access Level
S
Set Remote bit (ON position)
2
C
Clear Remote bit (OFF position)
2
P
Pulse Remote bit for 1/4 cycle (MOMENTARY
position)
2
Table 7.12
COPY Command
Command
Description
Access Level
COPY
j k
a
a
Parameters j and k are 1–4.
Copy settings in Group
j
to settings in Group
k
.
2
Table 7.13
COUNTER Command
Command
Description
Access Level
COU
n
Display current state of device counters
n
times, with a
1/2-second delay between each display
1
Содержание SEL-787
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