Fuji Electric MICREX-SX series SPF - RS-232 C General Purpose Communication Unit (NA0 LA-RS3); Names; Specifications

3-26
Section 3 Specications
3-7-2 RS-232C general purpose communication unit (NA0LA-RS3)
(1) Specications
Item Specication
Interface RS-232C 2 channels (PORT3, PORT4)
Synchronization method Start-stop synchronous transmission
Transmission speed 1200/2400/4800/9600/19200/38400/57600/115200
Transmission distance Max. 15km
No. of connectable units 1:1
Connection method D-sub, 9-pin connector (female)
Transmission code
Binary (without code conversion) or
ASCII (with code conversion), EBCDIC (with code conversion)
Error control
Hardware Vertical parity (parity bit), framing, overrun error
Software Horizontal parity (BCC)
Bit send sequence From the lower-order bit (from LSB to MSB)
Data length which can be
transmitted or received at one
time (viewed from the PLC)
Max. 512 bytes (Depending on the mode)
Internal current consumption 5V DC, 18mA
Occupied words 0 word
(2) Names
RS-232C connector
RS-485 transmission status indication LED
<RS-232C connector pin arrangement>
Inch screw
9
6
5
1
Pin No. Signal name Description
1 – Not connected
2 TXD Send data
3 RXD Receive data
4 – Not connected
5 SG Signal ground
6 to 9 – Not connected
* For the detailed specications of and how to use the RS-232C general purpose communication unit (Type: NA0LA-RS3), refer
to the user’s manual “General Purpose Communication (FEH528).”