07-02-12-02-EN-V1215.doc / Type: 638
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12 Technical Data
12.1 General Technical Data
● Power Circuit
Galvanic Separation from the Control Circuit
in acc. with EN 61800-5-1/ UL 508C
Specifications in accordance with EN 61800-5-1 / UL 508C and cUL
Short Circuit and to Frame Test for min. 2000 releases
Overvoltage Monitoring
max. 400V DC ±5V DC
max. 810V DC ±10V DC (638B/C)
Undervoltage Monitoring min. 15V DC; configurable
Overheating Switch Off at 95 ° C +/- 5%
Clock Frequency Powerstage 638A: 9,5 kHz
638B/C: 4,75kHz / 9,5kHz
Frequency of Current Ripple 9,5 kHz / 19 kHz
● Control Circuit
Galvanic Separation from the Power Circuit in acc. with EN 61800-5-1 / UL 508
Further Information:
See: “■ Insulation Concept“
● Signal Inputs and Outputs - Connection X10
Additional Galvanic Separation from Power
and Control Circuit
Nominal Voltage of the In and Outputs 24 V DC
Number of Outputs
Signal Outputs via OPTO Coupler
5
U
max
= 42,4V DC;
I = 0..60 mA; short circuit proof,
resistive load
Signal Outputs via RELAY U
max
= 42,4V DC;
I = 1uA...1,2A
Contact Protection with Inductive Load internal varistor
Number of Inputs
Signal Outputs via OPTO Coupler
8
L = 0...7 V DC or open
H = 15...30 V DC
I
24VDC: 8 mA
Shortest Time for a Signal to All Inputs - to
Accept the Signal in an Application:
> 1 ms
Damping of the Transfer from
Low to High (0-->24V):
fast input:
20µs (X10.4, X10.25)
default input:
200µs
Interrupt Response Time for Fast Input 10µs (X10.4, X10.25)
Damping of the Transfer from
High to Low (24-->0V)
fast input:
250µs (X10.4, X10.25)
default input:
1000µs
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