Clinton DC-1, Инструкция по эксплуатации, Страница: 16 / 58

Models DC-1, -10, -20B DC Spark Testers
DC-1, -10, -20B Instruction Manual – Page 15
Pin
No.
Designation Conductor
1
GND
2
HV ENABLE
3
RESET
4 not used
5
NO
6
COM
7
NO
8
COM
9
NC
Pin
No.
Designation Conductor
1
NO
2
COM
3
NO
4
COM
9 - Pin Terminal Block Connections
HV Enable (IN0):
CAUTION: For HV on the el ectrode, i ns ta l l a norma l l y cl os ed s wi tch or
rel a y conta ct** between pi ns 1&2. Thi s s wi tch or rel a y s houl d open
a utoma ti ca l l y when the wi rel i ne s top s wi tch i s a cti va ted or be opened
ma nua l l y by the s ys tem opera tor when the l i ne s tops .
FAILURE TO DO SO
COULD RESULT IN A FIRE HAZARD If the HV rema i ns ON i n the el ectrode
when your l i ne i s s ta ti ona ry, the wi re i ns ul a ti on i n the el ectrode wi l l
hea t a nd there i s a da nger of combus ti on.
External Reset (IN1):
To res et the s pa rk tes ter fa ul t rel a y wi th a n externa l s wi tch, wi re a
momenta ry s wi tch** between pi ns 1&3. When thes e conta cts cl os e, the
fa ul t rel a y wi l l return to a norma l s ta te. The i nterva l tha t the conta cts
a re cl os ed mus t exceed 50 ms .
(3) 22 ga. stranded
conductors rated
250V, less than 10
meters in length,
contained in a
common insulating
sheath
*When connecting auxiliary equipment to dry relay contact pins 1, 2, 3,or 4, observe maximum ratings of
120VAC at 2 amps, 240VAC at 1 amp.
4 - Pin Terminal Block Connections
Watch Dog (OUT2):
Dry rel a y conta ct pi ns 1&2 wi l l cl os e when the tes t vol ta ge i s between
the VWDL (Vol ta ge Wa tchdog Low Thres hol d) a nd the VWDH (Vol ta ge
Wa tchdog Hi gh Thres hol d) va l ues .
Bare Wire (OUT3):
To a cti va te externa l l i ghts , a l a rms or rel a ys * when a Ba re Wi re type
fa ul t occurs , wi re them between dry rel a y conta ct pi ns 3 & 4. If the
output functi on i s s et LCH or RVF, the dry rel a y conta cts wi l l rema i n
cl os ed unti l the RESET button i s pres s ed or when pi ns 1&3 a re cl os ed by
remote s wi tch or rel a y output functi on i s s et to NLC, the dry rel a y
conta cts wi l l return to norma l s ta te a fter the i nterva l known a s the
ABMS (Any Ba re Wi re Al a rm Ti me) ha s el a ps ed.
(3) 22 ga. stranded
conductors rated
250V, less than 10
meters in length,
contained in a
common insulating
sheath
HV ON Indication (OUT0):
Dry rel a y conta ct pi ns 5&6 wi l l cl os e when the tes t vol ta ge exceeds
500v. For a n i ndi ca ti on tha t HV i s ON i n the el ectrode, wi re a l a mp or
a uxi l i a ry devi ce* here.
(3) 22 ga. stranded
conductors rated
250V, less than 10
meters in length,
contained in a
common insulating
sheath
Process Control (OUT1):
To a cti va te externa l l i ghts , a l a rms or rel a ys * when a fa ul t occurs , wi re
them between dry rel a y conta ct pi ns 9,8 & 7. If the output functi on i s s et
to LCH or RVF the dry rel a y conta cts wi l l rema i n cl os ed unti l the RESET
button i s pres s ed or when pi ns 1&3 a re cl os ed by remote s wi tch or
rel a y. If the output functi on i s s et to NLC, the dry rel a y conta cts wi l l
return to norma l s ta te a fter the i nterva l known a s the AMFS (Any Fa ul t
Al a rm Ti me) ha s el a ps ed.
* When connecting auxiliary equipment to dry relay contact pins 5, 6, 7, 8 or 9, observe maximum ratings of
120VAC at 2 amps, 240VAC at 1 amp.
**Switches and relays connected to pins 1,2, & 3 should be suitable for 24V low current applications.