Phase Unba La Nce Detection Level; Walthour Count Reset; Protection Time Delay; Switch Sw6 No. 8 - Westinghouse IQ DATA PLUS II User Manual

Line metering and protection system
Table of Contents

Advertisement

JQ DAT A PLUS I I
DIP
Slide
Switch
Switch
2
3
4
SW6
5
6
7
8
6.1.21 % Phase Unbalance Detection Level -
Plus II can detect a phase unbalance condition within a select­
able range from ±5 to ±40%. As a result, the Trip and/or
Alarm Relays may be actuated.
SW6, Nos. 1 , 2 and 3
Switch
as shown in Table 6.R.
Table 6.R
PHASE UNBALANCE DETECTION ( % LEVEL)
% Detection
Level
1
± 5
ON
OFF
± 1 0
± 1 5
ON
± 20
OFF
± 25
ON
± 30
OFF
± 35
ON
± 40
OFF
SW2 , Nos. 7 and 8
Note also that Switch
response to a detected phase unbalance condition, as
described in Paragraph 6.1 .9.
6.1 .22 Watthour Count Reset
to reset the watthour count internal to the IQ Data Plus II. If
the user sets the switch and then presses and holds the reset
button (while watthours are displayed on the screen), the dis­
played value of watthours will reset to zero.
Courtesy of NationalSwitchgear.com
IQ DATA PWS II INSTALLATION RECORD SHEET: SW6
Setting
ON/OFF
Combinations
1
-
-
-
-
-
-
-
-
The IQ Data
determine the detection level,
SW6
Switch Settings
2
3
ON
ON
ON
ON
OFF
ON
OFF
ON
ON
OFF
OFF
ON
OFF
OFF
OFF
OFF
determine the
SW6 No. 4
Switch
is used
-
Table 6.Q
Description
Percent of line voltage variation between
phases to cause phase unbalance
(5/1 0/15/20/25/30/35/40%)
WH count reset
ON
Enabled
=
OFF
=
Only used if SW1 No. 7 is on for a
continued trip condition. Delay
(1/2/3/4/5/6/7/8 sec.)
Refer to Table 6.S
Unused

6.1.23 Protection Time Delay -

to detect an undervoltage, overvoltage, or phase unbalance
condition and Switch
the IQ Data Plus II must also be set to determine how long
the condition must exist before it actuates the Alarm and Trip
Relays. The selectable range is 1 to 8 seconds.
SW6, Nos. 5, 6, and 7
Switch
condition must persist as indicated in Table 6.S.
OVERVOLTAGE/UNDERVOLTAGE/PHASE UNBALANCE
TIME DELAY ON TRIP/ALARM
Time
(in seconds)
1
2
3
4
5
6
7
8
6.1.24 Switch SW6 No. 8 Is Unused -
nal to the device is using this space for other functions of the
IQ Data Plus II. Setting
tion of the unit.
38
T O 17271A
%
=
__
Refer to Table 6.R
Disabled
sec.
=
__
Assuming the unit is set
SW1 , No. 7
is set in the ON position,
determine the time i nterval the
Table 6.S
SW&
Switch Settings
5
6
ON
ON
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
OFF
OFF
OFF
The circuitry inter­
SW6 No. 8
will not affect the opera­
7
ON
ON
ON
ON
OFF
OFF
OFF
OFF

Advertisement

Table of Contents
loading

Table of Contents