Universal PMAC Lite
Machine Connections
37
For any other kind of amplifier enable signal, like a 24V signal, a dry contact of a relay or a solid-state
relay could be used:
To test the amplifier enable signal of motor x set Ix00=0 and properly define the related Mx14 variable.
Then, setting Mx14=1 or Mx14=0 will change the state of the motor x amplifier enable signal to either
enable or disable.
Amplifier Fault Signal (FAULTn)
This input can take a signal from the amplifier so PMAC knows when the amplifier is having problems
and can shut down action. The polarity is programmable with I-variable Ix25 (I125 for motor #1) and the
return signal is analog ground (AGND). FAULT1 is pin 49. With the default setup, this signal must
actively be pulled low for a fault condition. In this setup, if nothing is wired into this input, PMAC will
consider the motor not to be in a fault condition. The amplifier fault signal could be monitored using the
properly defined Mx23 variable.
Jumper E89 and E90 must be set appropriately for the type of signal used.
Some amplifiers share
the amplifier fault output with the amplifier enable\disable status output. In this case, a special PLC code
must be written with the following sequence: disable the amplifier fault input (see Ix25), enable the motor
(J/ command), wait for the amplifier fault input to be false (monitor Mx23), re-enable the amplifier fault
input (see Ix25).
Summary of Contents for Universal PMAC Lite
Page 7: ...Universal PMAC Lite Table of Contents iv...
Page 14: ...Universal PMAC Lite Introduction 7 Universal PMAC Lite Dimensions Part Number 602402...
Page 15: ...Universal PMAC Lite 8 Introduction...
Page 23: ...Universal PMAC Lite Jumpers Setup Summary 16...
Page 49: ...Universal PMAC Lite Machine Connections 42...
Page 51: ...Universal PMAC Lite Host PC AT I O Address Map 44...
