System 9700 User Manual
Page 41 of 56
Time Slots
Output
Current
Time
From
TRIG
Software Ramp Profile
1
2
3
4
15
20
26
27
Incremental
5
25
10
Equal Time Slot Method
The time slot must be given as a multiple of 1.25ms. Between 1.25ms to 1 second. Any value
in-between will automatically be rounded according to the formula:
= (
0.00125
) × 0.00125
After the start command, the software will update the output current every 1.25ms. By means
of interpolation regardless of the programmed time slot value:
The ramp can be set up to run as a single shot “RAMP R”, auto iteratively (auto loop) “RAMP
RL” or HW triggered auto armed “RAMP TW”. For a full documentation on controlling the “Equal
time slot method” please refers to the software manual about Ramp Profile Commands.
If synchronization to an external event is required, it is possible to arm the ramp sequence first
with the synchronization command “RAMP T”. A hardware signal on the trigger input X9, pin 1
& 2 (10 to 24V) or a “RAMP R” command will start the sequence.
If more power supplies have to be synchronized, one of the supplies has to be appointed as
master. Connecting the master trig output X9 pin 3&4 to the other supplies trig input will start
the other supplies when the master is triggered. A maximum skew of 1.25ms between the
supplies may be expected. (An external 15V auxiliary supply is needed, as the trig output is an
open collector and the trig input is an optocoupler input.)
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