6.24
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Database
Access Methods
The first two access methods are shorthand notations for the third method.
When only a bit label is specified, the SEL-2032 searches the Global, then
Local, and then TARGET regions for the bit. When only a port number and bit
label are specified, the SEL-2032 searches the Local then TARGET regions on
the specified port for the bit.
The last two access methods use bit numbers. Bit numbers must be in the
range 0 to 15 where 0 is the least-significant bit and 15 is the most-significant
bit.
Bit access is primarily used within SEL
OGIC
control equations but can also be
used within
SET M
equations and by the
VIEW
and
TOGGLE
commands.
Bits within Archive data regions may not be used in SEL
OGIC
control
equations nor by the
TOGGLE
command. They can still be examined using
the
VIEW
command. You can view the bit labels using the
TAR
,
MAP
region BL
, and
VIEW region BL
commands.
Consider accessing the local element CMD4 on Port 5 from the Port 5
settings. This bit can be referenced the following ways:
CMD4
Bit Label
5:CMD4
Port Number : Bit Label
5:LOCAL:CMD4
Port Number : Region Label : Bit Label
5:0807h:4
Port Number : Address : Bit Number
5:LOCAL:7:4
Port Number : Region Label : Address Offset : Bit Number
Some other examples are:
ISSUE1=IN1
References Global IN1 element if the I/O board is installed;
otherwise references IN1 bit in TARGET region, if it exists.
VIEW 1:27L or VIEW 1:TARGET:27L
View status of 27L bit on Port 1 within the
TARGET region (27L does not exist in Local region).
OUT2=5:TARGET:LOP
Causes OUT2 to follow the state of the LOP element in
Port 5's TARGET region.
OUT3=7:1234h:7
Causes OUT3 to follow the state of bit 7 (high bit of low
byte) of register 1234h within the Port 7 database.
X=9:D2:13h:Ah
Causes X to follow the state of bit 10 within the 19th register
of the Port 9 D2 region.
Within a SEL
OGIC
control equation setting, if you reference a bit by an
address that does not exist, the SEL-2032 responds with a warning message
and will not accept the setting.
Summary of Contents for SEL-2032
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