Schweitzer Engineering Laboratories SEL-787, Instruction Manual, Page: 298 / 564

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 command (see Table 7.12 ) 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 Table 7.13 ).
DATE Command (View/Change Date)
Use the DATE command (see Table 7.14 ) 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