Technosoft iPOS4808 BX-CAN, Technical Reference

Page: 44 / 107


Technosoft 2015 42 iPOS4808 BX-CAN Technical Reference
3.3.14.3 Recommendations for Analog Signals Wiring
a) If the analogue signal source is single-ended, use a 2-wire shielded cable as follows: 1
st
wire
connects the live signal to the drive positive input (+); 2
nd
wire connects the signal ground to
the drive negative input(-).
b) If the analogue signal source is differential and the signal source ground is isolated from the
drive GND, use a 3-wire shielded cable as follows: 1
st
wire connects the signal plus to the
drive positive input (+); 2
nd
wire connects the signal minus to the drive negative input (-) and
3
rd
wire connects the source ground to the drive GND
c) If the analogue signal source is differential and the signal source ground is common with the
drive GND, use a 2-wire shielded cable as follows: 1 st wire connects the signal plus to the
drive positive input (+); 2 nd wire connects the signal minus to the drive negative input (-)
d) For all of the above cases, connect the cable shield to the drive GND and leave the other
shield end unconnected to the signal source. To further increase the noise protection, use a
double shielded cable with inner shield connected to drive GND and outer shield connected to
the motor chassis (earth).