IAI ERC3, Инструкция по эксплуатации

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Chapter 3 Operation
3.6 I/O Signal Controls and Function
127
(16) Position data import command (PWRT) PLC Output Signal
Position data import complete (WEND) PLC Input Signal
The PWRT signal is available when the teaching mode signal (MODES) is turned “ON”.
Turn ON the PWRT signal
(Note1)
, Then, the current position data will be written in the position
data box for the position No. set using the PLC's specified Position No. channel.
(Note2)
When the data writing is completed, the WEND signal is turned “ON”.
After the WEND signal is turned ON, turn OFF the PWRT signal in the host machine.
When the PWRT signal is turned OFF before the WEND signal is turned “ON”, the WEND
signal is not turned “ON”.
When the PWRT signal is turned “OFF” the WEND signal is also turned “OFF”.
Note1 Turn it ON for 20msec or more. If the time is shorter than 20msec, the writing is not
completed.
Note 2 When the data items except for the position have not been defined, the parameter
initial values are written. [Refer to the instruction manual for the ERC3 actuator with
integrated contoroller]
(17) Brake release (BKRL) PLC Output Signal
Turning this signal “ON” can release the brake forcibly.
(18) Push-motion specification (PUSH) PLC Output Signal
When the movement command signal is output after this signal is turned ON, the pressing
operation is performed.
When this signal is set to “OFF”, the normal positioning operation is performed.
After reaching the target position
(Note 1)
from the current position, the actuator moves at the
pressing speed for only the distance set in the positioning width (Direct Indication Mode) or
pressing width (Simple Direct/Positioner 1 Mode).
The positioning complete signal (PEND) turns ON if the work piece hits and pressing is
judged as completed while in the pressing operation.
(Note 1) The value is that set as the position in the position data for Positioner 1 Mode, and
that input in the target position register for Simple Direct and Direct Indication
Modes.
Speed
Movement distance
Target position
Positioning width (Max. pressing level)
Position where the actuator is pushed against
the work and the pressing completion is judged
so the positioning completion signal is turned “ON”
↓
(ERC3→PLC)
(PLC→ERC3)
(ERC3→PLC)
20msec or more
ME0302-4A