Logic IO RTCU NX-900 Technical Manual page 20

RTCU NX-900 Technical Manual V1.01
Advanced M2M/IIoT Gateway
Wakeup (ignition) input
The DI5 / wakeup (ignition) input is a special input as it also functions as the ignition. If the input is
activated with a logical high when the RTCU NX-900 is in power down mode, it will wake the
device. A power apply will also wake the device up if it is in power-down mode.
In the other power saving modes, all the inputs and power apply/fail can be used to wake the
device with individually configured falling- or rising edge detection. Please consult the RTCU IDE
on-line help for more information.
The inputs are de-bounced with a period between 1-2 ms when used as a digital input therefore
any logical level applied to this input must be longer than 2 ms to be valid.
For placement and configuration of the hardware jumpers inside the device, please refer to the
device configuration guide in Appendix A.
Digital input terminals
Terminal Name
DI1
DI2
DI3
DI4
DI5
GND
Specification for each digital input
Logic "High"
Logic "Low"
Bandwidth (normal)
Bandwidth (s0)
Input impedance
Logic IO ApS.
Holmboes Allé 14
8700 Horsens
Denmark
Description
Digital input 1 or
S0 input 1
Digital input 2 or
S0 input 2
Digital input 3 or
S0 input 3
Digital input 4 or
S0 input 4
Digital input 5 and
Wakeup (ignition) input
Digital Ground
Min. Typ. Max.
8 12
-5 -
- 12
- 4
- 13.8
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Jumper Setting
JPDI1 in position N (default)
JPDI1 in position S
JPDI2 in position N (default)
JPDI2 in position S
JPDI3 in position N (default)
JPDI3 in position S
JPDI4 in position N (default)
JPDI4 in position S
Unit
40 VDC Protected against transients and low-
pass filtered
3 VDC
@ 12V
- kHz
- kHz
@ 12V
- kΩ
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