1-2
1-2 Selections and Programs for the Communication
The following preparations are necessary for RS1/2/4 to communicate between a CPU module of MICREX-SX series and
external devices.
Initializing parameters for a RS-232C port and a
RS-485 port.
(Transmission speed, data length, parity bit, stop
bits etc.,)
Application software for the communication.
FA packages are optionally provided
for each external device.
External device
<RS1/2/4 side>
Selection switch of the module is used.
RS-485 station No. selection switch (0 to F)
If RS-485 port is not used, the selection is not
necessary.
Mode selection switch
Device selection of RS-232C port and RS-485
port, Data conversion
RS-485 terminating resistor ON/OFF switch
ON/OFF of terminating resistor is selected.
If RS-485 port is not used, this switch is ignored.
<External device side>
Transmission speed, data length, parity bit, stop bits etc.
Application software for the communication.
<CPU modules side>
MICREX-SX series
CPU I/O I/O I/O I/O
Power
supply
RS1/2/4
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