Galil DMC-4040, User Manual

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Over-Temperature Protection
The controller is also equipped with over-temperature protection.
Rev A and Rev B amplifiers:
If the average heat sink temperature rises above 100°C, then the amplifier will be disabled. Bit 2 of TA0 will be set
when the over-temperature occurs on the A-D axis amplifier, and Bit 6 of TA0 will be set when the over-
temperature occurs on the E-H axis amplifier. The over-temperature condition will trigger the #AMPERR routine if
included in the program on the controller.
The amplifier will re-enable when the temperature drops below 100 °C.
Rev C and newer amplifiers:
If the average heat sink temperature rises above 80°C, then the amplifier will be disabled. Bit 2 of TA0 will be set
when the over-temperature occurs on the A-D axis amplifier, and Bit 6 of TA0 will be set when the over-
temperature occurs on the E-H axis amplifier. The over-temperature condition will trigger the #AMPERR routine if
included in the program on the controller.
The amplifier will not be re-enabled until the temperature drops below 80°C and then either an SH command is sent
to the controller, or the controller is reset (RS command or power cycle).
Rev C Amplifiers began shipping in December 2008.
ELO Input
If the ELO input on the controller is triggered, then the amplifier will be shut down at a hardware level, the motors
will be essentially in a Motor Off (MO) state. TA3 will return a 3 and the #AMPERR routine will run when the
ELO input is triggered. To recover from an ELO, an MO then SH must be issued, or the controller must be reset.
It is recommended that OE1 be used for all axes when the ELO is used in an application.
A1 – AMP-430x0 (-D3040,-D3020)
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241 DMC-40x0 User Manual