In Case Of Difficulty - DART Controls 250G CONTROL Serie Manual De Instrucciones

(continued)
-56G2 option
Isolated Voltage Input
Min Max Accel
Inhibit (red)
P2
Pin
(white)
(orange)
P1
-1 -2 -3 -4 -5 -6 -7
NOTE:
SOME FACTORY motor
WIRING IS NOT
CUSTOMER SUPPLIED WIRING
SHOWN FOR CLARITY
If a newly installed control will not operate, it is possible that a terminal or connection is loose. Check to make sure that all
connections are secure and correct. If control still doesn't operate, refer to the following chart.
PROBLEM
Motor doesn't operate
Armature output voltage
cannot be adjusted, out-
put is a constant DC level
Motor stalls, or runs very
slowly with speedpot
turned fully CW
Motor hunts
Repeated fuse blowing
Motor runs but will not
stop
If control still will not operate, consult your Dart Distributor or Representative.
I.R. Cur.
Comp Lim.
(black)
(blue)
(brown)
(white)
(yellow)
-8 -9 -10 -11
ac input common signal

IN CASE OF DIFFICULTY

POSSIBLE CAUSE(S)
- blown fuse
- incorrect or no power source
- speedpot set at zero
- worn motor brushes
- no motor or load connected
- speedpot low connection open
- low voltage
- overload condition
- worn motor brushes
- max speed set incorrectly
- too much I.R. Comp.
- motor is in current limit
- motor not pulling enough current
- max trimpot set too high
- motor speed is above rated speed
- low voltage
- overload condition
- worn motor brushes
- defective motor bearings
- defective electrical component
- incorrect wiring (enclosed version)
- defective wiring
- defective component
(red)
3PDT Switch
(yellow)
(brown)
Speedpot
(orange)
(white)
(black)
(white)
AC (P3-1)
AC (P3-2)
BALANCE TRIMPOT
HI (P3-3)
(FACTORY SET - DO NOT
RE-ADJUST)
W (P3-4)
LO (P3-5)
COM (P3-6)
+5V (P3-7)
GAIN
SIG (P3-8)
TRIMPOT
P3
P4
RANGE
-3
JUMPER
-2
CONNECTOR*
-1
-56G2 OPTION BOARD
(INSIDE OF COVER)
INPUT IMPEDANCE:
1.2MΩ on high scale
150KΩ on low scale
CORRECTIVE ACTION(S)
replace fuse
install proper service
adjust speedpot CW to start
replace motor brushes
check that motor or load is connected
to armature terminals
check that speedpot low wire is connected
check - should be above 108V
reduce load
replace motor brushes
see ADJUSTMENT PROCEDURE
see ADJUSTMENT PROCEDURE
see ADJUSTMENT PROCEDURE
current must be greater than 150 mA D.C.
see ADJUSTMENT PROCEDURE
reduce speed
check - should be above 108V
reduce load
replace
replace
call Dart Distributor or Representative
check TERMINAL STRIP WIRING for cor-
-rect wiring instructions (note AC line
connection in particular)
check wiring
call Dart Distributor or Representative
12
Factory Installed Only
Enclosed Version
* Jumper clip is used to select
input voltage range. When in-
stalled from P4-1 to P4-2, the
range is 0-25VDC through 0-
250VDC; when installed from P4-
2 to P4-3, range is 0-5VDC through
0-25VDC.
See the following page for
-55G2 and -56G2 Adjustment Pro-
cedures.