IAI America PCON-CFA - Manual (Page 229)

5. SCON-CA
CC-Link
223
(6) Homing (HOME)
Homing Completion (HEND)
Under Homing Operation (GHMS)
When the “HOME” signal is turned “ON”, this command is processed at the startup (ON edge), and the
homing operation is performed automatically. During the homing operation, the “GHMS” signal is turned
“ON”.
When the “HEND” signal is turned “ON”, turn “OFF” the “HOME” signal. Once the “HEND” signal is
turned “ON”, it can not be turned “OFF” until the power is turned “OFF” or the “HOME” signal is input
again.
Even after the completion of the homing operation, when the “HOME” signal is turned “ON”, the homing
operation can be performed.
Caution: In the Remote I/O mode1 to 3 and Position/Simplified Direct Value Mode 1 and 2,
when the positioning command is issued without performing the homing operation
after power up, the positioning is performed after the automatic homing operation.
However, it is limited to only once after power up.
In the Half Direct Value Mode 1 to 3 and Full Direct Value Mode, when the positioning
command is issued without performing the homing operation after power up, the alarm
for the “Error Code 83: ALARM HOME ABS (Absolute Position Movement Command
in the Homing Unfinished Condition) is issued (Operation Cancellation Level). Take the
greatest care.
PLC Input Signal
PLC Input Signal
PLC Output Signal
HOME
(PLC → SCON-CA)
GHMS
(SCON-CA → PLC)
HEND
(SCON-CA → PLC)
PEND
(SCON-CA → PLC)
MOVE
(SCON-CA → PLC)