
3. Communication interface
3.1 Programless communication interface
Select ,or ③by the switch
RS-422 interface
(1) Communication standards: RS-422 compatible
(2) No. of port: 1 port
(3) Communication, synchro method:
4-wire, half duplex, asynchronous cycle
(4) Communication speed:
9.6k, 19.2k, 38.4k, 57.6k, 115.2k,
230.4kbps
(5) Max. communication distance:
MELSEC-Q series 1000m or less
MELSEC-A series 500m or less
MELSEC-FX series 500m or less
(6) Recommended cable:
KFPEV-SB2P 0.5sq-equivalent / FUJI
ELECTRIC CABLE CO., LTD
(7) Data format: Start bit1, data bit 8,
Parity even/odd/none
Stop bit 1
(8) Insulation: No insulation with any communication
interface other than loader interface,
Functional insulation with loader commu-
nication interface and other all signals
②RS-485interface
(1) Communication standards: RS-485 compatible
(2) No. of port: 1 port
(3) Communication, synchro method:
2-wire, half duplex, asynchronous cycle
(4) Communication speed:
9.6k, 19.2k, 38.4k, 57.6k, 115.2k,
230.4kbps
(5) Max. communication distance:
MELSEC-Q series 1000m or less
MELSEC-A series 500m or less
MELSEC-FX series 500m or less
(6) Recommended cable:
KFPEV-SB2P 0.5sq / FUJI ELECTRIC
CABLE CO., LTD
(7) Data format: Start bit1, data bit 8,
Parity even/odd/none
Stop bit 1
(8) Insulation: No insulation with any communication
interface other than loader interface,
Functional insulation with loader commu-
nication interface and other all signals
③RS-232C interface
(1) Communication standards: RS-232C compatible
(2) No. of port: 1 port
(3) Communication, synchronous method:
Half-duplex, asynchronous cycle
(4) Communication speed:
9.6k, 19.2k, 38.4k, 57.6k, 115.2k,
230.4kbps
(5) Max. communication distance: 15m
(6) Recommended cable:
KFPEV-SB 1P 0.5sq-equivalent / FUJI
ELECTRIC CABLE CO., LTD
(7) Data format: Start bit1, data bit 8,
Parity even/odd/nene
Stop bit 1
(8) Insulation: No insulation with any communication
interface other than loader communica-
tion interface, Functional insulation with
loader communication interface and other
all signals
3.2 Loader communication interface
(1) Communication standards: RS-232C compatible
(2) No. of port: 1 port
(3) Communication, synchro method:
Half-duplex, asynchronous cycle
(4) Communication speed: 19.2kbps (fixed)
(5) Data format: Data bit 8, no prity
(6) Protocol: Modbus RTU compatible
(7) Connection method:
2.5 diameter mini-plug/jack
[on the front of module]
(Common cable with PXG, PXH)
(8) Insulation: Functional insulation with any other sig-
nals
4. Display, configuration
(1) Display: Status display LED
(2 colors × 2 points + 4points)
(2) Display contents:
RUN/FAULT, internal communication sta-
tus
Communication TX/RX (Port1),
Communication TX/RX (Port2)
(3) Setting device and setting contents
Setting device Setting contents
Front face Rotary SW × 1 Programless commu-
nication station setting
Within the devace DIP SW (6bit) × 1
RS-232C/RS-422/RS485
Operation mode
5. Power outage
(1) Impact of power outage:
Outage of 2ms or less; no impact
(2) Operation after power outage:
Start from the first step (cold start)
(3) Memory backup:
Nonvolatile memory (EEPROM)
(No. of update; 100,000)