IDEC MICROSmart FC6A Series, User Manual

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2: P
RODUCT
S
PECIFICATIONS
2-142 FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722
Terminal Arrangement and Wiring Examples
Notes:

For the cables to use for wiring, fabricate and use the recommended cable or an equivalent type of shielded cable.

When there is a risk of malfunction due to noise, ground the shielded cables.

Fully read and understand the manual for the device that will be connected to and communicate with the communication cartridge before
wiring it.
FC6A-PC1
*1 The RS terminal is a constant output terminal.
FC6A-PC3
*1 The terminals are shorted inside the cartridge.
Note: When communication quality is unstable, add terminating resistance matched to the characteristic impedance to both ends of the cable. Use
resistance with a rating of 1/2 W or higher.
Terminal Name I/O Direction Signal Name, etc.
RS (RTS)
*1
Output Request to send
ER (DTR) Output Data terminal ready
SD (TxD) Output Transmitted data
RD (RxD) Input Received data
DR (DSR) Input Data set ready
SG (SG) ― Signal ground
Terminal Name I/O Direction Signal Name, etc.
A I/O Data A *1
B I/O Data B *1
SG ― Signal ground *1
FC6A-PC1
RS232
RS ER SD RD DR SG
RS232C
Interface Device
Shield
FE
FC6A-PC3
RS485
A B SG A B SG
FC6A-PC3
RS485
A B SG A B SG
RS485
Interface Device
Shield
FE
Terminating
Resistance
Terminating Resistance