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6-9-2
Wiring
Set the terminating resistance switch on the front panel of the FX3U-485ADP-MB to 110 Ω.
330 Ω
OPEN
110 Ω
Wire the FX3U-485ADP-MB to the E5CD Controllers as shown below.
FX3U-485ADP-MB
RDA
RDB
SDA
SDB
SG
Note: 1 Use a terminating resistance of at least 54 Ω.
2 The maximum transmission distance is 500 m.
3 For wiring methods, refer to 4.5.1 One-pair wiring under D.Computer Link in the FX Series User's Manual,
Data Communication Edition (JY997D16901).
6-9-3
PLC Setup
Set up communications on the FX3U-485ADP-MB to enable communicating with the E5CD Controllers.
PLC operation will stop and the power supply will be cycled during the setup procedure. Make sure that
this will not create any problems in the controlled system.
Connecting to the PLC
(1) Connect the computer to the FX-series CPU Module with a USB cable and then start
GX Works2.
(2) Select Online
(3) Select FXCPU, and then click the OK Button.
E5@D Digital Temperature Controllers Communications Manual (H225)
B(+)
Shield
Shield
13
14
−
A(
)
E5CD
No.0
−
Read from PLC from the menu bar.
6 Programless Communications
120 Ω (1/2 W)
B(+)
B(+)
terminating resistance
Shield
13
13
14
14
−
−
A(
)
A(
)
E5CD
E5CD
No.1
No.2
6
6 - 67
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