Linking Genesys™ Usb To Other Genesys™ Supplies; Usb Command Speed - TDK-Lambda GENESYS User Manual

2.7. Linking Genesys™ USB To Other Genesys™ Supplies
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Up to 30 supplies may be linked from one USB 'master' to RS-485 'slaves'.
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The RS-485 'slaves' may be standard Genesys™. No extra cost for linking.
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The USB option cannot be combined with the IEMD, LAN or Isolated Analog options.
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The USB allows combining power supply outputs in series and parallel.

2.8. USB Command Speed

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USB command speed is the same as the Genesys™ RS-232/485 speed
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Average about 40 milliseconds per command (about 25 commands per second).
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Most commands take 33 mSec. A very few take up to 80 mSec.
120
100
200
150
100
50
Time for "
PV nn.n
Histogram for 200 Cmds
Average = 41.5 mSec / Cmd
105
80
60
40
20
0
33
Milliseconds per Command
Time for " MV? " Query using USB.
Histogram for 200 Cmds
Average = 36.6 mSec / Cmd
157
0
33
" Command using USB.
68
26
49 64
28
12
49 65
Milliseconds per Query
5
83-033-800 Rev A
1
71
3
80