18
Annex
Annex
Manual ADQ-51 Rev. 1.0
Isolated digital outputs
Conditions: UEXT = 16…30 VDC, T
A
= -25…+125°C
Element
Condition
Specifications
Quantity
ADQ-51
1 x 8 bit digital output port
Type
Isolated digital outputs (unidirectional)
Isolation voltage
500 VAC according to UL508 & EN 61131-2
Output level
U
OH
11..35 V
Output current
U
O
= typ. 24 VDC
I
O
max. 0.6 A per channel (parallel connection possible)
DC short-circuit current
UEXT = 24 VDC
R
L
= 10 mΩ
min. 0.7 A; max. 1.7 A
Undervoltage cut-off
UEXT
min. 7 V/max. 10.5 V, Restart at max. 11 V,
Hysteresis: typ. 0.5 V
Overvoltage protection
UEXT
min. 47 VDC
Dissipated energy with
inductive load
Per channel
max. 1 Joule
Resistance at active
output
I
O
= 0.5 A; T
A
= 25°C
typ. 150 mΩ, max. 200 mΩ
Leakage current with
inactive channel
typ. 5 µA, max. 30 µA
Cut-off current for
inductive loads
typ. 1.4 A
t
on
(switch-on time)
R
L
= 47Ω, up to
90% U
O
typ. 64 µs; max. 120 µs
t
off
(switch-off time)
R
L
= 47Ω, up to
10% U
O
typ. 89 µs; max. 170 μs
dU
O
/dt
(on)
(Slope when
switching on)
from 10..30% U
O
,
R
L
= 47Ω, UEXT = 15V
typ. 1 V/μs; max. 2 V/μs
dU
O
/dt
(off)
(Slope when
switching off)
from 70..40% U
O
,
R
L
= 47Ω, UEXT = 15V
typ. 1 V/μs; max. 2 V/μs
Switch-off temperature
min. 135 °C
Thermal hysteresis
10°K
Operating parameters
Simple output
External supply
UEXT
16..35 VDC; typ. 24 VDC for control technology
Ground reference
GND (isolated from PC ground GND_PC)
