Fi L L -I N Timer Setti Ng Test C I Rcu I T - GE SBC23A Instructions Manual

I NSTRUCT I ON S :
I . APP LY
2 . CH ECK TH AT TH E CT CU RRENTS I NTO TH E RELAY C I RCU I TS EQU AL
ZERO .
3 .
S ET
4 .
BE SU RE THAT TH E OSC I LLOSCOP E POWER
B T J I
G TS 2
0 133
G IJ" 4
RIJ" 5
POT
P I
" A " CARD
F i g u re 3 4 ( 0246A2 2 0 3 - l )
GEK-45 46 4
RATED DC TO RELAY TERvl i N ALS
( PULL L0\1/ER CONN ECT I ON P LU G ) .
UP OSC I LLOSCOP E AN D CONTACT C I RCU I TS AS SHOwN BELOW .
22K
I /2W
T
NO
CONTACT
T I M I NG P ROCEDU RE
PLACE TH E SCOP E I N A N EGAT I VE SLOP E EXTERN AL
TR I GGER I N G MODE .
DEP RESS TH E N . 0 . CONTACT AND NOTE TH AT U PON
RELEAS I NG TH E CONTACT TH E SCOPE TRACE I N I T I ATES .
FROM FACTO RY CAL I BRAT I ON , A POS I T I VE S I GN AL AT
TP4
GO
SHOULD N EGAT I VE I N
AFTER TRACE I N I T I AT I ON
TO ALTER OR READJ U ST TH I S SETT I NG TURN TH E POT .
AT TH E BOTTOM OF TH E " A " CARD CW TO I NCREASE
F I LL- I N T I M E OR CCW TO DECREASE TH E T I ME .
F i l l - i n T i m e r S e t t i n g Te st C i r c u i t fo r the S B C Re l ay
5 6
1 7 1 8 ( - ) .
( + ) AN D
CORD I S UNGROU N DED .
I
-=: CH ANNEL
I
-, REF . I
EXTERNAL
1
TR I GGER
5
8 -
9 M I LL I SECONDS
.