8.6
SEL-2032 Communications Processor Instruction Manual Date Code 20120126
Serial Port Communications and Commands
Command Set
The CAL access level is the calibration level and is intended for use by the
SEL factory, and for use by SEL field service personnel to help diagnose
troublesome installations. A list of commands available at the CAL level is
available from SEL upon request.
Do not enter the CAL access level except as directed by SEL.
CARD n
The CARD command (Access Level 1) displays the value of the Control Input
and Control Output elements for the protocol card ports as shown in
Figure 8.7. Parameter n specifies the port (17 or 18).
*>CARD 17 <Enter>
Protocol Card Input Logic Elements
0000 0000 0000 0000
Protocol Card Output Logic Elements
0000 0000 0000 0000
*>
Figure 8.7 CARD Command
Append the Bit Label flag BL to display the control bit labels.
CLEAR m:n
The CLEAR command (Access Level 1) clears data from the unsolicited
message queue or from the Archive data region of an intelligent electronic
device (IED) port. Parameter m specifies which port (1
–18). Parameter n may
be BUF for the unsolicited message queue or A1, A2, or A3 for the
appropriate archive. Alternatively, for the Archive data regions, you may use
the data label for the region (see MAP command). Clearing the unsolicited
message queue clears all received messages from the buffer. Clearing an
archive entry removes the oldest item from that archive queue; subsequent
entries will remain. To completely clear an archive queue, add the parameter
A. For example, use: CLEAR 4:A2 A to clear Port 4, Archive 2, all entries.
CONTROL m
The CONTROL command (Access Level 2) sets (asserts), clears (deasserts),
and pulses (asserts and deasserts) global element bits R1
–R8. These bits exist
in the Global region of the SEL-2032 database. In the example below,
executing the CONTROL command controls the global element bit R5.
When you enter the CONTROL command with parameter m to identify the
bit number to control, the SEL-2032 prompts for an operation; enter one of the
following operation codes:
➤ SRB to set the specified bit
➤ CRB to clear the specified bit
➤ PRB to pulse the specified bit.
These are the only acceptable operations. You must again specify the bit to
control (1
–8) following the operation. If you intend to pulse the bit, you can
supply a time parameter or a one-second time is the default. The example in
Figure 8.8 pulses R5 for 3 seconds.
*>>CONTROL 5 <Enter>
Control RB5: PRB 5 3 <Enter>
*>>
Figure 8.8 CONTROL Command
NOTE: Frequent archive record
clearing may exceed EEPROM
capabilities. See the discussion in
Archive Data Regions on page 6.21. If
you completely clear an Archive data
region that contains a large number of
records (thousands of records), it may
take a few minutes for the clearing to
complete. During this time, most
SEL-2032 automatic data collection
will be suspended.
Courtesy of NationalSwitchgear.com
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