Delta Tau PMAC2 User Manual download pdf (Page 20)

Turbo PMAC2 Realtime Express Controller

Hardware Setup

To write to the outputs you need to define these M variables:

M52->Y:$078402,2 ; DAT2 Line; J2 Pin 6 or 19

M53->Y:$078402,3 ; DAT3 Line; J2 Pin 7 or 20

M54->Y:$078402,4 ; DAT4 Line; J2 Pin 8 or 21

M55->Y:$078402,5 ; DAT5 Line; J2 Pin 9 or 22

M60->X:$078402,0,8 ; Direction control for DAT0 to DAT7

M61->Y:$078406,0,8 ; Data type control DAT0 to DAT7

M62->X:$078406,0,8 ; Data inversion control

M60=$FF ;Setting the Direction control to 1, meaning outputs

M61=$FF ;Setting data type to DATA on DAT0 to DAT7

M62=$0 ;Data inversion control for DAT0 to DAT7

Watchdog Relay wiring

In addition to the I/O points and the E-stop on General Purpose I/O connector, the user can

monitor the status of the controller by accessing the watchdog relay. As long as the controller is

powered up and the watchdog has not been tripped (indicating a functional controller), the relay is

energized. As soon as the watchdog trips, the relay will be de-energized. Both normally closed

and normally open contacts are available on pins 24 and 12 consequently with common contact

on pin 11.

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Delta Tau PMAC2 User Manual Page 20