SMC Networks EX120-SMJ1 Installation & Maintenance Manual page 2

EX12#-TFJ16-B
Outline dimensions(mm) (continue)
EX122-SMJ1
•
6.2
64 9.5 28.8
• EX124D/U-SMJ1
114
Outline dimensions(mm) (continue)
EX126D-SMJ1
•
114
Names and Functions of individual Parts
EX120-SMJ1
•
2
3
• EX121-SMJ1
2
3
4
• EX122-SMJ1
2
3
4
EX124D/U-SMJ1
•
3
2
Names and Functions of individual Parts (continue)
EX126DSMJ1
•
3
2
1
No. Parts
Output equipment To connect the output equipment such as a
1
connector solenoid valve.
Indication and To provide LED's to indicate the unit status,
2 address setting setting of address and communication
panel speed. (Baud Rate)
To connect the power line and communica-
3 Terminal
tion line.
DIN rail mounting
4 To mount on DIN rail.
1 bracket
Setting
Setting for Display
Rotary switch for transmission
speed setting
LED
1
Display Meaning
LED is ON when power supply for communication is
PW
supplied.
LED is ON when SI unit communicates data with master
1
station normally.
L RUN
LED is OFF when communication is terminated (overtime
error).
SD LED is ON when sending data.
RD LED is ON when receiving data.
LED is ON when a transmission error (CRC error) occurs,
or if there is an error in station number setting or transmis-
sion speed setting.
L ERR.
LED flashing indicates the setting of station number or
transmission speed has changed.
LED is OFF when communication is normal.
* "PW", "L RUN", "SD" and "RD" ON when data linked normally.
1
Purpose
Rotary switch for
station number setting