Hardware installation for ConnectPort X4 H
37
Analog and digital I/O specifications
The number of analog and digital input/output ports varies among ConnectPort X4 H models.
There are three basic variants:
4 analog I/O
4 digital I/O
2 analog I/O / 2 digital I/O
Specifications for the analog and digital I/O follow.
Analog input/output specifications
Specifications for analog input and output on ConnectPort X4 H models are as follows:
Note: Exceeding the maximum or minimum safe values will result in damage to the unit.
Analog Mode Specification Value
0-10 volt mode Minimum input 0 VDC
Maximum input +10.25 VDC
Minimum safe input -0.5 VDC
Maximum safe input +11 VDC
Input impedance Differs by XBee RF protocol:
XBee ZB: 28200 ohms
XBee 802.15.4: 43600 ohms
XBee 868, XBee DigiMesh
900: 43600 ohms
Current Loop (4 mA to 20
mA) mode
Minimum input 0 mA
Maximum input 23.5 mA
Minimum safe input -.5 VDC
Maximum safe input 40 mA
Input impedance Differs by XBee RF protocol:
XBee ZB: 51.1 ohms
XBee 802.15.4:, XBee 868,
XBee DigiMesh 900: 120
ohms
All modes Resolution 10 bits
Accuracy Differs by XBee RF protocol:
XBee ZB, XBee 802.15.4:
0.2%
XBee 868, XBee DigiMesh
900: 0.4%
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