4.6
SEL-587Z Instruction Manual
Date Code 20020903
Control Logic
Local Control Switches (NLBn, SLBn, CLBn, PLBn)
EXAMPLE 4.5
Configure LB2 to
Replace the Supervisory Control Switch
Entering specific settings configures LB2 to replace the Supervisory
Control Switch.
Enable the switch, identify the function, and declare the message
that the relay displays on the front panel during the rotating display.
This message is always displayed together with the ensuing control
action.
NLB2 =
Supervisory CS
Local Bit LB2 Name (14 characters)
Indicate the action to the operator. Selecting Yes turns the switch on.
SLB2 =
Turn ON
Set Local Bit LB2 Label (7 characters)
Ask to turn the switch off. Selecting Yes turns the switch off.
CLB2 =
Turn OFF
Clear Local Bit LB2 Label (7 characters)
Do not set PLB2 for this example.
PLB2 =
Pulse Local Bit LB3 Label (7 characters)
Label settings are made with serial port command
SET T
and viewed with
serial port command
SHO T
(see
and
(Showset) on page 7.15 in Section 7: ASCII Command Reference
Any given local control switch can be configured to be one of the following
three switch types:
ON/OFF
OFF/MOMENTARY
ON/OFF/MOMENTARY
Delete a Local Bit
If a local control switch is not used, “null out” all its corresponding label
settings to make it inoperable by entering “NA” for the setting (see
). The local bit that is “driven” by this inoperable local
control switch is fixed at logical 0.
Table 4.2
Local Bit Functions
Label
Function
Setting
Display
NLB2
Enable LB2
Supervisory CS
Supervisory CS
SLB2
Set LB2 to 1
Turn ON
Supervisory CS Turn ON? Yes No
CLB2
Set LB2 to 0
Turn OFF
Supervisory CS Turn ON? Yes No
PLB2
Pulse LB2
(not set)
(no display)
Table 4.3
Local Control Switch Types and Required Label Settings
Local Switch Type
Label NLBn
Label CLBn
Label SLBn
Label PLBn
ON/OFF
X
X
X
OFF/MOMENTARY
X
X
X
ON/OFF/MOMENTARY
X
X
X
X
Содержание SEL-587Z
Страница 10: ...This page intentionally left blank ...
Страница 12: ...This page intentionally left blank ...
Страница 66: ...This page intentionally left blank ...
Страница 106: ...This page intentionally left blank ...
Страница 126: ...This page intentionally left blank ...
Страница 162: ...This page intentionally left blank ...
Страница 228: ...This page intentionally left blank ...
Страница 260: ...This page intentionally left blank ...
Страница 276: ...This page intentionally left blank ...