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42
Control Linked to a Host Device
Section 3-3
3-3-2
Wiring
Connect the Temperature Sensors to the input terminals according to the sen-
sor's input type.
• Connect the Solid State Relays to the output terminals.
• Connect the PLC with an RS-232C communications cable.
Wire the circuits as shown below when using an EJ1
@
-HFU and three EJ1
@
-
TC4 Units.
(The following diagram shows the wiring for just one of the EJ1
@
-TC4 Units.)
Note
Port B cannot be used when the HFU (EJ1
@
-HFU) is used.
B1
B2
B3
B4
B5
B6
B7
B8
B9
OUT2
OUT1
IN2
IN1
A1
A2
A3
A4
A5
A6
A7
A8
A9
OUT4
OUT3
IN4
IN3
EJ1
@
-TC4
B1
B2
B3
B4
B5
B6
B7
B8
B9
A1
A2
A3
A4
A5
A6
A7
A8
A9
EJ1
@
-HFU
SD
RD
RS
CS
SG
FG
FG
Signal
2
3
4
5
9
Shell
1
Pin
Serial Communications
Board/Unit
SD
RD
SG
RS-232C
Shield
SW2
●
SW2 settings (EJ1
@
-HFU)
Description
8
ON: RS-232C is selected.
1
2
3
4
5
6
7
8
9
EJ1C-EDU
24 VDC
RDA
−
RDB+
SDA
−
SDB+
Signal
FG
RS-485
●
DIP Switch Settings (CJ1W-CIF11)
Pin
Description
1
ON: Terminator connected.
2
ON: 2-wire method
3
ON: 2-wire method
4
Not used
5
OFF: No RS control of RD (continual reception)
6
ON: RS control of SD
+
−
Temperature
Sensor
Heater
SSR
G3NA
To NS8
communications
port A
CJ1W-CIF11
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......