Fuji Electric MICREX-SX series SPF - General Purpose Communication Unit (NA0 LA-RS5); Names; Specifications

3-27
Section 3 Specications
3-7-3 RS-485 general purpose communication unit (NA0LA-RS5)
(1) Specications
Item Specication
Interface RS-485 2 channels (PORT3, PORT4)
Synchronization method Start-stop synchronous transmission
Transmission speed 1200/2400/4800/9600/19200/38400/57600/115200
Transmission distance Max. 1km (19200bps or less)
No. of connectable units 1:15 (Max.)
Connection method 3-pole European-style terminal block
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, 95mA
Occupied words 0 word
(2) Names
NA0LA-RS5
PORT3 (RS485)PORT4 (RS485)
TX
RX
T N
TX
RX
T N
G
+
-
G
+
-
RS-485 terminal block
RS-485 terminating resistor switch
<RS-485 terminal block arrangement>
+
-
G
Signal
name
Description
+ (D+) RS-485 send/receive +
- (D-) RS-485 send/receive -
G (SG) Signal ground
* For the detailed specications of and how to use the RS-485 general purpose communication unit (Type: NA0LA-RS5), refer to
the user’s manual “General Purpose Communication (FEH528).”