4 — PROGRAMMABLE PARAMETERS
pg. 41
Curtis Model 3301T Digital Instrumentation – September 2021
Initial Menu
The following table describes the parameters on the Initial menu.
INITIAL MENU
PARAMETER
CAN INDEX
VALUES
RAW VALUES
DATA SIZE
ACCESS LEVEL
DEFAULT VALUE
DESCRIPTION
Initial PWM Duty
0x6670:00
0.0–100.0%
0–1000
16-bit
OEM Dealer
0.0%
Specifies the PWM duty cycle when the driver output
is in its initial stage.
Initial Time
0x6680:00
0–10000ms
0–10000
16-bit
OEM Dealer
0ms
Specifies the initial stage time of the driver output, in
8ms steps.
Current Limit Menu
The parameters on the Current Limit menu specify the driver’s minimum and maximum currents.
These parameters apply only when the driver is operating in Current mode.
CURRENT LIMIT MENU
PARAMETER
CAN INDEX
VALUES
RAW VALUES
DATA SIZE
ACCESS LEVEL
DEFAULT VALUE
DESCRIPTION
Maximum Current
0x6630:00
0–1000mA
0–1000
16-bit
OEM Dealer
1000mA
Specifies the maximum output current.
Minimum Current
0x6640:00
0–1000mA
0–1000
16-bit
OEM Dealer
0mA
Specifies the minimum output current.
Dither Menu
The parameters on the Dither menu configure the driver’s dither pulses. These parameters apply only
when the driver is operating in Current mode.
DITHER MENU
PARAMETER
CAN INDEX
VALUES
RAW VALUES
DATA SIZE
ACCESS LEVEL
DEFAULT VALUE
DESCRIPTION
Dither Period
0x66A0:00
2–1000ms
2–1000
16-bit
OEM Dealer
1000ms
Specifies the time between dither pulses for each
output, in 2ms steps.
A Dither Period of 4–200ms provides a frequency
range of 250–5 Hz.
Dither Amount
0x6690:00
0–100%
0–32767
16-bit
OEM Dealer
0%
Specifies how much dither is added or subtracted, in
10mA steps, for each output.