Power Supply System And Galvanic Isolation - L-Card ADC Series User Manual

5.7. Power supply system and galvanic isolation.

Parameter, characteristics
Operating voltage range of the E-502 low-
voltage supply input
Power consumption:
•
From the external E-502 power
source
•
From the USB input
Test voltage of galvanic isolation:
•
Between AGND, DGND circuits,
connected together, and GND
•
Between GND circuits and Ethernet
lines, connected together
Maximum permissible voltage rise rat
between galvanically isolated circuits
The total load power taken from all outputs
E-502 (according to the method of
estimating the load power is given in p.
on page 44)
For E-502-P-EU-D
For E-502-X-U-D
For E-502-X-U-X
External analog power supply outputs
External digital circuits supply output
+8...+30 V
to 6 W
No more than 0.025 W
400 V 50 Hz during 1 min.
1500 V 50 Hz during 1 min.
10 kV / μs
The method for estimating the load power is given in p. 4.8,
44
p.
4.8
0.4 W
0.4 W
0.8 W
+15 V, -15V. The maximum load current is up to 30 mA,
provided that the total load power is not exceeded.
prohibited. Outputs are switched on by jumpers, (see
p.2.2.1), this possibility is dependent on whether the
corresponding outputs of the DAC are used
+3.3 V. The operating current of the load is up to 50 mA
permanently, up to 100 mA for a short time.
Value, description
SC is