7.48
SEL-351A Relay Instruction Manual Date Code 20080213
Inputs, Outputs, Timers, and Other Control Logic
Rotating Default Display (Only on Models With LCD)
Examples With ;;xxxx; Control Strings:
SET L
DP1 = IN101
SET L
DP2 = IN101
SET T
DP1_1 = PTO=;;51PP;Ap
The pre- and post-label characters for DP1_1, are P, T, O, =, A, p, a total of six
characters. The relay setting to be displayed is 51PP, as indicated after the
control string “;;”. The relay converts lowercase p to uppercase when the
setting is saved.
SET T
DP1_0 = NEUTRP;;51NP;
The pre-label characters for DP1_0, are N, E, U, T, R, P, a total of six
characters. The relay setting to be displayed is 51NP, as indicated after the
control string “;;”.
SET T
DP2_1 = GND PU;;51GP;B1
The characters for DP2_1, consist of six pre characters G, N, D, “ “, P, U, and
two post characters B, 1. The maximum number of label characters is six, so
the B1 will be ignored. The relay setting to be displayed is 51GP, as indicated
after the control string “;;”.
SET T
DP2_0 = N SEQ=;;51QP;A
The characters for DP2_0, consist of six pre characters N, “ “, S, E, Q, = and
one post character A. The A will be ignored. The relay setting to be displayed
is 51QP, as indicated after the control string “;;”.
When IN101 = 1, the following will display on the front-panel display
(assuming 51PP = 720 A primary, and 51GP = 121.2 A primary):
;;;002 51CP xxxxxxx 9
;;;003 51PP xxxxxxx 9
;;;004 51GP xxxxxxx 9
;;;005 51QP xxxxxxx 9
;;;006 51NP xxxxxxx 9
;;;007 51G2P
a
xxxxxxx 9
a
Not in SEL-351A-1.
Table 7.11 Mnemonic Settings for Time-Overcurrent (TOC) Element Pickups
Using the Same-Line-Label Format on the Rotating Default Display
(Sheet 2 of 2)
SET T
Setting Variable
Displays Relay
Setting Value
Display Format/
Resolution
Maximum Label
Characters
Courtesy of NationalSwitchgear.com
To Next Page
Loading...