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The following timings and restrictions apply for firmware revision V002. The restrictions are applied
when settings are saved. Later firmware versions may have lesser limits.
B.1 Continuous Mode
The maximum output current is 4A.
B.2 Switched Mode
The maximum delay from a trigger input changing to the output current being turned on or
off is 10us.
The maximum output current is 0.5A.
B.3 Selected Mode
The maximum delay from a trigger input changing to the output current being turned on or
off is 5ms.
The maximum output current is 0.5A.
B.4 Pulse Mode
The maximum output current is 20A. For high currents pulses the following limits are
recommended. These limits will be improved in future.
Pulse Current
20A
12A
10A
5A
Pulses of 2A or more for pulse widths longer than 2ms might cause an error or have a lower current
towards the end of the pulse.
The minimum pulse delay is about 2us. When overdriving or using the retrigger delay, the minimum
delay is around 5us.
For pulse widths less than approximately 70us the output voltage and current cannot be measured.
Because of this, fault detection does not happen and the following restrictions apply:
•
For pulse currents greater than 0.5A, the duty cycle will be restricted to no more than 1%
•
For pulse currents less than or equal to 0.5A, the duty cycle will be restricted to no more than 10%
NL-200 Series Controller User Manual
B: Restrictions
Pulse Length Limit
100us
400us
500us
1ms
B-1
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