Omron EJ1 User Manual page 41

Wiring Terminals
Inputs
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
TC4
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
TC2
Control Outputs
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
TC4
B1
A1
B2
A2
B3
A3
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
B9
A9
TC2
20
Connect inputs according to the input type as shown below.
TC4
TC2
B4 A4
−
−
B5 A5
+
+
B6 A6
ch2 ch4
B7 A7
−
−
B8 A8
+
+
B9 A9
ch1 ch3
Thermocouple inputs
Infrared thermosensor
Terminals B1 to B3 and A1 to A3 on the TC4/TC2 are for control outputs.
+
B1
OUT2
+
B2
OUT1 12 VDC
B3
−
+
B1
OUT2
+
B2
OUT1 12 VDC
B3
−
Output type
Pulse voltage Output voltage:
outputs
Max. load current:
Transistor Max. applicable voltage: 30 VDC
outputs
Max. load current:
Residual voltage:
TC4
TC2
A A
B4 A4
B B
B5 A5
B B
B6 A6
ch2 ch4
A A
B7 A7
B B
B8 A8
B B
B9 A9
ch1 ch3
Platinum resistance
thermometer inputs
+
12 VDC 12 VDC
+
12 VDC
−
TC4
12 VDC
COM
TC2
Specifications
12 VDC ±15% (PNP)
21 mA, with short circuit protection circuit.
100 mA
1.5 V max., Leakage current: 0.4 mA max.
Section 2-2
TC4
TC2
+
+
B4 A4
mA mA
−
−
B5 A5
V V
+
+
B6 A6
ch2 ch4
+
+
B7 A7
mA mA
−
−
B8 A8
V V
+
+
B9 A9
ch1 ch3
Analog inputs
A1
OUT4
A2
OUT3
A3
A1
OUT4
A2
OUT3
A3