8.14
SEL-2032 Communications Processor Instruction Manual Date Code 20120126
Serial Port Communications and Commands
Command Set
The bit labels are listed in most-significant to least-significant bit order, the
same as in SEL relays. Bit labels are available in the GLOBAL, LOCAL, and
TARGET (if not in archive) regions.
MEMORY
The MEMORY command (Access Level 1) displays the status of all
dynamically allocated memory. This includes RAM, which is used for
temporary data storage; EEPROM, where string and SEL
OGIC control equation
settings are stored; nonvolatile Flash, where archive data are stored; and
Shared RAM, where the database is stored. The report indicates the number of
bytes of dynamic memory, the number of free (unused) bytes, the number of
free blocks (contiguous segments of unused memory), and the size of the
largest free block. The screen in Figure 8.22 shows a typical MEM report.
*>>MEM <Enter>
Memory Total Bytes Blocks Largest block
type bytes free free available
RAM 275536 196678 2 176980
EEPROM 34820 34656 2 34624
ARCHIVE 1835008 1000000 1 1000000
DATA
SET M 128000 100000 1 100000
SETTINGS
SRAM 1046524 789420 1 789420
*>>
Figure 8.22 MEM Command
You can use the free bytes and largest available block to determine if you are
running out of memory. The number of free blocks indicates how badly the
memory is fragmented. The more free blocks there are, the less efficiently the
SEL-2032 can use the available free memory.
MODMAP
The MODMAP command (Access Level 1) displays the Modbus
®
Read
Input Register map of a specific region. The MODMAP display format is
similar to the example Modbus data map tables in Section 9: Protocols.
The command syntax is:
MOD port number:region_name map_type
where:
➤ port numbers are 1–18
➤ region_names are BREAKER, DEMAND, HISTORY,
METER, TARGET, and USER
➤ map_type is either F or I, corresponding to floating map and
integer map.
Figure 8.23 is an example of the MODMAP display for Port 2 Meter region
using an integer map.
Courtesy of NationalSwitchgear.com
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