ADLINK PCI-8134A - Manual (Page 55)

Operations
• 45
•
The feedback counter of PCI-8134 will be reset to zero while the motion
is hitting the edge of ORG signal.
•
In Case 2 & 3, the axis will hit and then stop at the edge of EL signal
anyway because the first edge of ORG signal locates behind the start
point of axis that means the axis won’t detect the edge of ORG signal
anymore.
EZ
EL
PCI-8134 Home Mode 1 + ORG Do not latch
Case 1
Case 2-1
Case 3
Negative
Positive
Case 1
Case 2-2
Case 3
*1 Once user selected “ORG DO NOT LATCH”Mode and pull-up ORG
signal all the time that the PCI-8134 will search first EZ signal edge then stop
immediately once user issued home move command.
ORG
*1
Case 2-2
1 st EZ 2 nd EZ
PCI-8134 Home Mode 1 + ORG do not latch @ 8134A.DLL
/8134.DLL
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 2-1 Doesn’t change Reset to 0 Doesn’t change Reset to 0
Case 2-2 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