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7I76E ia a remote FPGA card with Ethernet interface designed for
interfacing up to 5 Axis of step &dir step motor or servo motor
drives and also provides a spindle encoder interface, isolated analog
spindle speed control and 48 isolated I/O points for general purpose
field I/O use. All step and direction outputs are buffered 5V signals
that can drive 24 mA. All outputs support differential mode to reduce
susceptibility to noise. An isolated analog spindle voltage with
direction and enable outputs is provided for spindle control as is a
single spindle encoder channel with TTL or differential inputs. 48
points of isolated field I/O are provided for general control use
including limit switch and control panel inputs, coolant enable and tool
changer control outputs. Isolated I/O includes 32 sinking inputs and
16 sourcing outputs. Inputs can sense 5V to 32V signals and the outputs
can switch 5V through 28V signals. Maximum output load is 300 mA. Outputs are short circuit protected. In
addition to the being able to read digital on/off status of each input,
four input pin voltages are readable with 8 bit resolution, and two MPG
encoder inputs are provided as an option on four field inputs. Field I/O is powered by an isolated 10-32V field power source. One
RS-422 interface is provided for I/O expansion via a serial I/O
daughtercard. In addition to the on card I/O, two FPGA expansion
connectors compatible with Mesa's 25 pin daughtercards allow almost
unlimited I/O options. All field wiring is terminated in pluggable 3.5
mm screw terminal blocks.
Please check the connection example provided by Mr. Norbert (Germany): http://wiki.eusurplus.com/downloads/7i76E.pdf
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