Date Code 20010518 Appendix A A-3
SEL-2020 Instruction Manual
Firmware
Part/Revision No.
Description of Firmware
SEL-2020-R122-V0 Change SET M equation processing of “,P” and “,C” data
types so they work correctly when source data is undefined.
Fix Modbus problem related to attempted bit reads at address
FFFFh. Process SET M equations and SET L logic for ports
with status of pInactive or Config Fail. Make sure auto-
configuration process does not alter the STARTUP string
such that it attains a lower Access Level. Add _YEARS,
_HOURS, _MINS, _SECS to Global Database Region.
SEL-2020-R121-V0 Fix problem with SEL-187V/287V Meter collection. Allow
access to more EEPROM in units with 64k of EEPROM.
SEL-2020-R120-V0 Add bit manipulation to SET M. Add MSET bit to elements
in Local database region. Add \SP/ string for prompt
suppression.
SEL-2020-R119-V0 Support checksums in Automatic Messages and parsed
responses. Support XON/XOFF encoding for binary data
transfers. Do not respond to DNP or Modbus requests until
power-up initialization is complete. No longer attempt to
ignore echoed request when parsing data on Other-IED port
with ASCII protocol.
SEL-2020-R118-V0 Allow Modbus access to bits in User Region of database.
Support automatic Remote Bit pulsing with SEL relays.
SEL-2020-R117-V0 Fixed problem where having more than 255 DNP objects
caused lockup.
SEL-2020-R116-V0 Speeds some data collection. Adds operate control of SEL
IEDs. Adds Fast Operate commands to master ports.
Enhances BROADCAST command. Expands WHO
command report. Allows individual passwords to be
disabled. Adds capability to copy USER region data to an
archive region. Expands SET M data types. Adds DNP
V3.00 slave support.
SEL-2020-R115-V0 Modifies alarm handling in units with I/O boards.
SEL-2020-R114-V0 Corrects problem with message sending on Inactive Other-
IED port.
SEL-2020-R113-V0 Improves performance. Adds Modbus bit access capability.
Extracts fault location and type from unsolicited messages.
SEL-2020-R111-V0 Improves reliability of communication with SEL relays.
SEL-2020-R110-V0 Allows OTHER IED to have a modem. Allows RTS/CTS
handshaking on modem ports. Adds BROADCAST
commands. Adds SET M for data movement. Adds event
report counter to local data region.
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