Rockwell Automation GMLC Reference Manual User Manual
Page 817

Publication GMLC-5.2 - November 1999
780
1394 GMC Turbo SLC Interface
Table 3: 1394 GMC Turbo Output Data from the SLC (minimum configuration, one 16-bit word)
Word
Bit
Description
Definition
0
0/0
Program running
This bit is set to 1 by the 1394 GMC Turbo while the GML Commander
application program is running. This bit cannot be accessed directly by
the GML Commander program.
0/1
Global fault
The 1394 GMC Turbo sets this bit to 1 if a fault has occurred. This bit
cannot be accessed directly by the GML Commander application program.
0/2
Reserved
N/A
0/3
Reserved
N/A
0/4
Reserved
N/A
0/5
M file handshake
enabled
When set to 1, this bit indicates that M files will be updated using manual
mode. When set to 0, this bit indicates that M files will be updated using
automatic mode.
0/6
M0 File update
acknowledge
This bit is set to 1 by the GML Commander application program to indicate
that an M0 file update has been acknowledged and in process. Bit 6 can
be written by the application program. This bit is referenced by the
application program as the system variable
SLC_M0_Update_Acknowledge.
0/7
M1 file update
request
This bit is set to 1 by the GML Commander application program to request
an M1 file update. The 1394 GMC Turbo system software resets this bit to
0 when the update is complete. Bit 7 can be written by the application
program. This bit is referenced by the application program as the system
variable SLC_M1_Update_Request.
0/8 –
0/15
User defined
N/A