Atlas Copco PowerMACS 4000, User Manual

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PLC
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Even though the following variables are defined as shared memory type they should be used as inputs
only (seen from the PLC):
Variable Type Use
GM_OUT GM_OUTPUT_TYPE This variable represent the discrete outputs from the GM DeviceNet
device. GM_OUTPUT_TYPE is a structure containing the following
BOOL flags:

GREENLIGHT Pass through signal from the DeviceNet input
interface. (Green stack light ).

YELLOWLIGHT Pass through signal from the DeviceNet input
interface. (Yellow stack light ).

REDLIGHT Pass through signal from the DeviceNet input
interface. (Red stack light ).

ALARMHORN Pass through signal from the DeviceNet input
interface. (Alarm Horn).

PARSET1 Parameter set code (1-8) confirmation. Mapped to
Mode bit 0 (value 1).

PARSET2 Parameter set code (1-8) confirmation. Mapped to
Mode bit 1 (value 2).

PARSET4 Parameter set code (1-8) confirmation. Mapped to
Mode bit 2 (value 4).

GLOBALACCEPT Global accept (Set to 1 if the cycle completed
OK).

INCYCLE Spindle in cycle, set to 1 when a cycle is running and to
0 when idle.

FAULTRELAY System fault relay (currently not used).

CYCLECOMP Rundown complete. Is TRUE when a cycle is
ended and FALSE when running.

EPROUT Reflects the current value of the input Error Proofing
Ready (EPR).

LIGHT (16) This is an array of 16 x 3 BOOL that indicates the
status of the tightening for each of the bolts in the station. The
status of each bolt is indicated using the following three BOOL
signals:
GREEN Good Rundown (Green light)
RED Remove, Inspect & Repair Fastener (Red light)
YELLOW Low Torque (Yellow light)