9.5 DIO Option
9.5.1 Outline of product
Use option OPC-VG7-DIO to add maximum eight DO points for each piece.
The digital input is not added.
Major applications
Use switch SW2 provided on the option to switch between DIOA and
DIOB.
Select "DIOA" to use eight DO points. Through this, these points can be
used for the RUN, life forecast, alarm description and other operation state
monitoring signals. They may not be used if "DIOB" is selected.
Photocoupler isolation
The output interface is isolated with photocouplers. The signal cable can be
extended up to several tens of meters.
Sink/source
The output interface can be connected with either the sink or source power supply.
Generally speaking, the sink interface is usually used in Japan and United States.
With this specification, the active signal is indicated with 0V.
The source interface is frequently used in Europe. With this specification, the active signal is indicated with a
positive voltage.
I/O check function
The ON/OFF state of each output signal can be monitored at the keypad panel or through communications (RS485,
T-Link or SX bus).
[Limitation in installation]
Prohibited combination (operation procedure error)
Two DIOA boards may not be installed simultaneously. Or the DIOB setting may not be given to two boards
simultaneously.
If prohibition is neglected, operation procedure error "Er6" will be caused.
OPC-VG7-
DIO
(DIOA)
RHC-D
Empty
OPC-VG7-DIO
(DIOA)
9-31
