ADLINK PCI-8134A - Manual (Page 57)

Operations
• 47
PCI-8134 Home Mode 1 + ORG latch
ORG
EL
Case 1
Case 2
Negative
Positive
Case 1
EZ
ORG latch
Case 3
Case 2
Case 3
PCI-8134 Home Mode 1 + ORG latch @ 8134.DLL/8134A.DLL
•
In Case 1, the axis will be stopped immediately when axis detected the
edge of ORG signal but it might stop at anywhere within the range of
ORG signal that means the home position is inaccurate after home move
was executed many times.
•
The feedback counter of PCI-8134 will be reset to zero while the motion
is hitting the edge of ORG signal.
While the motion hits the edge of EZ or EL
set_cnt_src()=0 (internal) set_cnt_src ()=1 (external)
get_command() get_position() get_command() get_position()
Case 1 Doesn’t change Reset to 0 Doesn’t change Reset to 0
Case 2 Doesn’t change Stop at a EL position Doesn’t change Stop at a EL position
Case 3 Doesn’t change Stop at a EL position Doesn’t change Stop at a EL position
Counter status after Home Move Completed (Motion Done)
Set_cnt_src()=0 (internal) set_cnt_src ()=1 (external) Interrupt?
Get_command(
) get_position() get_command() get_position()
Case 1 Doesn’t change Remain 0 Doesn’t change Stop at a
deceleration
position Home Int
Case 2 Doesn’t change Stop at a EL position Doesn’t change Stop at a EL position EL Int
Case 3 Doesn’t change Stop at a EL position Doesn’t change Stop at a EL position EL Int