SET.30 of 32 Settings Sheets for the SEL-311C Relay
Port Settings (Serial Port Command SET P and Front Panel)
SEL-311C Relay Instruction Manual Date Code 20060320
Date________________
Port Settings
(Serial Port Command SET P and Front Panel)
Protocol Settings (See Below)
Protocol (SEL, LMD, DNP, MBA, MBB, MB8A, MB8B,
MBGA, MBGB)
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 I for details on DNP
protocol. For M
IRRORED BITS, set PROTO = MBA, MBB, MB8A, MB8B, MBGA, or MBGB. Refer to
Appendix J for details on M
IRRORED BITS.
Communications Settings
Baud Rate (300, 1200, 2400, 4800, 9600, 19200, 38400) (38400
is not available on Port 1)
SPEED =
Data Bits (6, 7, 8)
This setting is available when PROTO = SEL or
LMD.
BITS =
Parity (O, E, N) {Odd, Even, None}
This setting is available when
PROTO = SEL or LMD.
PARITY =
Stop Bits (1, 2)
This setting is available when PROTO = SEL or
LMD.
STOP =
Time-out (0–30 minutes)
This setting is available when PROTO =
SEL or LMD. 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.
T_OUT =
DTA Meter Format (Y, N)
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.
DTA =
Send Auto Messages to Port (Y, N)
This setting is available when
PROTO =
SEL or LMD. Set AUTO = Y to allow automatic messages
at the serial port.
AUTO =
Enable Hardware Handshaking (Y, N, MBT)
MBT is available
when PROTO = MBA or MBB. (Refer to Mirrored Bits Protocol
for the Pulsar 9600 Baud Modem on page J.5 for details on setting
MBT.)
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.
RTSCTS =
Fast Operate Enable (Y, N)
This setting is available when PROTO =
SEL or LMD. 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: Configuration, Fast Meter,
and Fast Operate Commands for the description of the
SEL-311C
Relay Fast Operate commands.
FASTO P =
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