Characteristics of Q0 brake output
(Original Document)
Illustration
Brake output:
Characteristics
Table of characteristics:
Electrical characteristics
Value
Unit
Nominal voltage
24
V
Voltage limits
Temporary voltage
19 to 30
34 (1)
V
V
Nominal current
500
mA
Max voltage fall "On"
< 1
V
Leakage current at "OFF" state
< 0,3
mA
Load impedance
80<Zon<1500
Max current to 30 V and to 34 V
625
mA
Communication time
< 250
μs
Electro unload time
< L/R
s
Max switching frequency
(on inductive load)
F<0.6 / (LI2)
Hz
Compatibility with inductive inputs
Any input whose Re is less than 15 kΩ and has positive logic
IEC 1131 compatibility
Yes
Protection from overloads and short-circuits
by current limiter and circuit breaker
Monitoring short-circuits of each channel
thermal, signaling: 1 bit per channel
Reset
  • via application program
  • automatic
One bit per module
Protection against channel overvoltage
Zener (55 V) between outputs and +24 V
Protection against polarity inversions
Using a reverse diode on the supply
Power of a filament lamp
8
W
Pre-actuator voltage check
OK if supply > 18 (ascending)
not OK if supply < 14 (decreasing)
V
V
Reaction time of voltage check
NOK --> OK<30
OK --> NOK>1
ms
ms
(1) maximum permitted voltage for 1 hour in every 24 hours of operation.