Omron E5AN User Manual page 75

Wiring Terminals
Control Output 2 • Outputs are sent from terminals 11, 12, 14, and 15 with the E5CN, and
from pins 14 and 15 with the E5AN/EN. The following diagrams show the
available outputs and their internal equalizing circuits.
v
+
11
or
L
12
GND
Voltage (for driving SSR) Voltage (for driving SSR)
E5CN
• The following table shows the specifications for each output type.
E5CN
Output type
Voltage (for driv-
ing SSR)
E5AN/EN
Output type
Long-life relay
(using a triac)
Voltage (for driv-
ing SSR)
• Always connect an AC load to a long-life relay output. The output will not
turn OFF if a DC load is connected.
• The voltage output (for driving SSR) is not electrically isolated from the
internal circuits. Therefore, when using a grounding thermocouple, do not
connect any of the control output terminals to the ground. If a control out-
put terminal is connected to the ground, errors will occur in the measured
temperature as a result of leakage current. With E5AN/EN, however, con-
trol output 2 (voltage output for driving SSR) is functionally isolated from
the internal circuits.
• Control output 2 of the E5CN is a voltage output (for driving SSR) only,
and outputs across terminals 11(+) and 12( ), or 14(+) and 15( ).
• Control output 1 (voltage output for driving SSR) and control output 2
(voltage output for driving SSR) are not isolated.
• Long-life relay outputs use semiconductors for switching when closing
and opening the circuit, thereby reducing chattering and arcing and
improving durability. However, if high levels of noise or surge are imposed
between the output terminals, short-circuit faults may occasionally occur.
If the output becomes permanently shorted, there is the danger of fire due
to overheating of the heater. Design safety into the system, including
measures to prevent excessive temperature rise and spreading of fire.
v
+
14
L
15
GND
Specifications
PNP type, 12 VDC 15%, 21 mA (with short-circuit protec-
tion)
Specifications
250 VAC, 3 A (resistive load), electrical durability: 1,000,000
operations
PNP type, 12 VDC 15%, 21 mA (with short-circuit protec-
tion)
Section 2-2
v
+
14
14
L
15 15
GND
Relay Voltage (for driving SSR)
E5AN/EN
39