turck BL20 Series - 9.10.1 Technical data

Digital Output Modules
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9.10.1 Technical data
Technical data
Designation BL20-2DO-120/230VAC-0.5A
Number of channels 2
Channel design Voltage zero switching Triac
Nominal voltage from supply terminal U
L
120…230 VAC
Nominal current from supply terminal I
L
< 20 mA (if load current = 0)
Nominal current from module bus I
MB
 35 mA
Voltage drop at High level U
V
< 2 V
Max. leakage current at
High level I
Leak
1.5 mA
Max. leakage current at Low level (residual cur-
rent)
1.5 mA
Frequency range f
N
45…65 Hz
Power loss of the module < 1 W
Surge current I
S
8 A (one period at 60 Hz)
Back-up fuse  500 mA (very quick acting)
Turn-on time t
ON
T/2 + 1 ms
Turn-off time t
OFF
T/2 + 1 ms
Derating
at 40 °C 1 A (per channel 0.5 A)
at 50°C 0.75 A (per channel 0.375 A)
at 55°C 0.5 A (per channel 0.25 A)
Output current
High level (nominal) 0.5 A
High level I
HIGH
(permissible range) < 0.6 A
Isolation voltage (fieldbus to channels) 2500 V