4:5
Review the Controller
Regulator Jumpers
The regulator has several jumpers
to enable functions or to change
the range of adjustments. Jumpers
available for customer selection
are 1J and 2J. See Figure 7-11 for
their location on the regulator
board.
Notch Filter 1J
This jumper has three pins:
position A, common, and position
B.
Position A disables the filter,
causing the FRQ and QF pots to
have no effect. Position B allows
the notch filter to effect the
reference circuit to prevent
tortional vibrations on applications
in which reflected load inertia is
substantially larger than motor
inertia. See Figure 4-4 for
frequency relationships of a typical
notch filter.
Accel/Decel Ramp 2J
This jumper has 3 pins: position A,
common, and position B.
Position A bypasses the ramp
circuit such that the input
reference is fed directly into the
regulator’s internal circuitry
without conditioning, causing the
ACC and DEC pots to be
inoperative.
Position B places the ramp circuit
in series with the differential input
reference; the acceleration and
deceleration rates can be adjusted
using the ACC and DEC pots.
Factory Setup 3J
Disable current minor loop
operation. This jumper is used for
regulator adjustment and
monitoring at the factory.
DO NOT REMOVE.
Review the Regulator
Pots
The controller has twelve pots for
use during startup. To access the
pots, remove the tinted plastic
cover that covers the pots. On the
inside of the cover is a plastic
screwdriver with which to adjust
the pots. To assist in pot settings,
there are six voltage level test
points located above the pots.
Symbol:
OL
Function: Inverse time overload
Range:
See Figure 4-5A.
Factory Setting: 100% of motor
rating (5 V)
Symbol:
CL
Function: Maximum
instantaneous current output
Range:
See Figure 4-5B.
Factory Setting: 3.8 V, 200% of
motor rating
Symbol:
SG
Function: Speed loop gain Range
6.8 to 35
Factory Setting: 6.8
Symbol:
SZ
Function: Speed feedback offset.
Sets motor speed with minimum
reference in Speed or Torque
mode.
Range:
–12 to +12 RPM
Factory Setting: Mid range,
approximately 0 RPM
Symbol:
DEC
Function: Deceleration rate
Range:
•
With 2SW-4 on,
0.1 to 1.8 seconds
•
With 2SW-4 off,
1.0 to 18 seconds
Inoperative if jumper J2 is in
position A
Factory Setting: Full CCW
Symbol:
QF
Function: Notch filter Q factor
Q =
Fo
BW
Range:
0.5 to 2.5 (5 to 230 mV)
Inoperative if jumper 1J is in
position A.
Factory Setting: Full CCW; = 0.5
jumper in position B
Symbol:
FRQ
Function: Notch filter frequency
Range:
30 to 1400 Hz
Inoperative if jumper 1J is in
position A.
Factory Setting: 500 Hz (3.6 VDC)
Symbol:
OS
Function: Overspeed IET setting
Range:
See Figure 4-5C.
Factory Setting: 3.5 V, 2600 RPM
Symbol:
SR
Function: Input reference gain at
SR test point
Range:
•
0.3 to 2.7 for differential inputs
•
0.5 to 4.0 for single-ended
inputs
See Figure 4-5D.
Factory Setting: Full CCW
Symbol:
PG
Function: Has two functions
dependent on regulator mode:
•
Speed/Torque mode: Adjusts
minimum speed detection
circuit, used to illuminate SZ
LED and change logic level of
SZ output
•
Position mode: Position loop
gain
Range:
•
Speed/Torque mode: 0.5 to 90
RPM
•
Position mode: 0.4 mV to 100
mV per pulse
Factory Setting: Full CCW
Symbol:
TST
Function: Reference input in
encoder test mode. Encoder test
mode is turned on by 2SW-1.
Range:
0 to 10 volts (Polarity
set by 3SW)
Factory Setting: Full CCW
Symbol:
ACC
Function: Acceleration rate
Range:
•
With 2SW-4 on, 0.1 to 1.8
seconds
•
With 2SW-4 off, 1.0 to 18
seconds
•
Inoperative if jumper 2J is in
position A.
Factory Setting: Full CCW
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