Wiring - Omron EJ1 User Manual
Modular temperature controllers
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Also See for EJ1:
- User manual (253 pages) ,
- Quick start manual (3 pages) ,
- Instruction manual (2 pages)
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Controlling G3ZA Controllers Connected to Output Devices
3-4-2
Wiring
G3ZA-4H203-FLK
ch1
13
RS-485
7
To Unit 2
1
Control power
supply
100 to 240 VAC
50 or 60 Hz
SW1 settings (G3ZA-4H203-FLK)
Unit number
Connect the Temperature Sensors to the input terminals according to the sen-
sor's input type.
• Connect the EJ1 and G3ZA with the EJ1C-CBLA050 Cable.
• Connect the Solid State Relays to the G3ZA's output terminals.
When using an EJ1@-TC4 and G3ZA-4H203-FLK, wire the circuits as shown
in the following diagram.
ch3
ch2
ch4
14
15
16
17
18
8
9
11
Black
Black with white stripe
2
4
6
Heater plate
Load power supply
100 to 240 VAC
50 or 60 Hz
EJ1C-CBLA050 Cable
SW1
1 2 3 4
01 02 03 04
CJ1W-CIF11
To NS5
Signal
communications
RDA
port A
RDB+
SDA
SDB+
FG
DIP Switch Settings (CJ1W-CIF11)
Pin
1
ON: Terminator connected.
2
ON: 2-wire method
3
ON: 2-wire method
4
Not used
OFF: No RS control of RD
5
(continual reception)
6
ON: RS control of SD
SSR
G3PA
Temperature
Sensor
SW2 settings (G3ZA-4H203-FLK)
SW2
Description
3
Baud rate: 57.6 kbps
EJ1C-EDU
Description
EJ1@-TC4
B1
A1
OUT2
B2
OUT4
OUT1
A2
B3
OUT3
A3
B4
A4
IN2
B5
A5
IN4
B6
A6
B7
A7
IN1
B8
A8
IN3
B9
A9
CN1
SW2 settings (EJ1@-TC4)
SW2
Description
7
ON: Use G3ZA
1
RS-485
2
3
4
5
6
7
8
24 VDC
9
Section 3-4
47
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