Woodward highprotec MRI4, User Manual

Page: 633 / 727

Technical Data
Digital Inputs
Max. input voltage: 300 V DC/259 V AC
Input current: DC <4 mA
AC <16 mA
Reaction time: <20 ms
Fallback Time:
Shorted inputs
Open inputs
<30 ms
<90 ms
(Safe state of the digital inputs)
4 Switching thresholds: Un = 24 V DC, 48 V DC, 60 V DC,
110 V AC/DC, 230 V AC/DC
Un = 24 V DC:
Switching threshold 1 ON:
Switching threshold 1 OFF:
min. 19.2 V DC
max. 9.6 V DC
Un = 48 V/60V DC:
Switching threshold 2 ON:
Switching threshold 2 OFF:
Min. 42.6 V DC
max. 21.3 V DC
Un = 110 V AC/DC:
Switching threshold 3 ON:
Switching threshold 3 OFF:
min. 88.0 V DC/88.0 V AC
max. 44.0 V DC/44.0 V AC
Un = 230 V AC/DC:
Switching threshold 4 ON:
Switching threshold 4 OFF
min. 184 V DC/184 V AC
max. 92 V DC/92 V AC
Terminals: Screw-type terminals
633 MRI4 DOK-HB-MRI4-2E
COM DI8 DI2 DI1 COM DI8 DI2 DI1
L+
L- L+
L-
Open inputs Shorted inputs