S
ETTINGS
S
HEET
Page 29
OF
30
FOR THE
SEL-311L R
ELAY
(APP = 311L)
Date
P
ORT
S
ETTINGS
(S
ERIAL
P
ORT
C
OMMAND
SET P
AND
F
RONT
P
ANEL
)
Date Code 20011112
Protocol Settings (See Below)
Protocol (SEL, LMD, DNP, MBA, MBB, MB8A, MB8B)
PROTO =
Protocol Settings
Set PROTO = SEL for standard SEL ASCII protocol. For SEL Distributed
Port Switch Protocol (LMD), set PROTO = LMD. Refer to
Appendix C
for details on the LMD
protocol. For Distributed Network Protocol (DNP), set PROTO = DNP. Refer to
Appendix H
for details on DNP protocol. For M
IRRORED
B
ITS
, set PROTO = MBA, MBB, MB8A, or MB8B.
Refer to
Appendix I
for details on M
IRRORED
B
ITS
.
The following settings are used if PROTO = LMD.
LMD Prefix (@, #, $, %, &)
PREFIX =
LMD Address (01–99)
ADDR =
LMD Settling Time (0–30 seconds)
SETTLE =
Communications Settings
Baud Rate (300, 1200, 2400, 4800, 9600, 19200, 38400)
SPEED =
Data Bits (6, 7, 8)
BITS =
Parity (O, E, N) {Odd, Even, None}
PARITY =
Stop Bits (1, 2)
STOP =
Other Port Settings (See Below)
Time-out (0–30 minutes)
T_OUT =
DTA Meter Format (Y, N)
DTA =
Send Auto Messages to Port (Y, N)
AUTO =
Enable Hardware Handshaking (Y, N, MBT)
(Refer to
Appendix I
for details on setting MBT.)
RTSCTS =
Fast Operate Enable (Y, N)
FASTOP =
Other Port Settings
Set T_OUT to the number of minutes of serial port inactivity for an
automatic log out. Set T_OUT = 0 for no port time-out.
Set DTA = Y to allow an SEL-DTA or SEL-DTA2 to communicate with the relay. This setting
is available when PROTO = SEL or LMD.
Set AUTO = Y to allow automatic messages at the serial port.
Set RTSCTS = Y to enable hardware handshaking. With RTSCTS = Y, the relay will not send
characters until the CTS input is asserted. Also, if the relay is unable to receive characters, it
deasserts the RTS line. Setting RTSCTS is not applicable to serial Port 1 (EIA-485) or a port
configured for SEL Distributed Port Switch Protocol.
Set FASTOP = Y to enable binary Fast Operate messages at the serial port. Set FASTOP = N to
block binary Fast Operate
messages. Refer to
Appendix D
for the description of the SEL-311L
Relay Fast Operate
commands.
Summary of Contents for SEL-311L
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