Digital Controller

E5AK/E5EK

3

■ Accessories (Order Separately)

Note: No CT is required unless the heater burnout alarm function is used.

Specifications

■ Ratings

Note: 1. All control outputs are insulated from the input circuit.

2. Fuzzy self-tuning is available when using the Digital Controller in standard control operation with temperature input.

■ Input Ranges

Platinum Resistance Thermometer

Name

Model

Hole diameter

Current Transformer

E54-CT1

5.8 mm

E54-CT3

12.0 mm

Name

Model

Connectable models

Terminal Cover

E53-COV0809

E5AK

E53-COV08

E5EK

Item

AC100-240V type

AC/DC24V type

Supply voltage

AC100 to 240V, 50/60 Hz

AC/DC24V, 50/60 Hz

Power consumption

E5AK: 16 VA

E5EK: 15 VA

12 VA, 8 W

Operating voltage range

85% to 110% of rated supply voltage

Input

Thermocouple:

K, J, T, E, L, U, N, R, S, B, W, PLII

Platinum resistance thermometer: JPt100, Pt100

Current input:

4 to 20 mA, 0 to 20 mA

Voltage input:

1 to 5 V, 0 to 5 V, 0 to 10 V

Input impedance

Current input: 150

Ω; Voltage input: 1 MΩ min.

Control output

Standard Model

According to Output Unit (see “Output Unit Ratings and Characteristics”)

Position-proportional Model

2 Relay outputs: SPST-NO, 1 A at 250 VAC (including inrush current) (see note 1)

Auxiliary output

SPST-NO, 3 A at 250 VAC (resistive load)

Control method (see note 2)

ON/OFF or 2-PID control (with auto-tuning)

Setting method

Digital setting using front panel keys

Indication method

7-segment digital display and LEDs

Potentiometer

100

Ω to 2.5 kΩ

Event input

Contact input:

ON: 1 k

Ω max., OFF: 100 kΩ min.

No-contact input: ON: residual voltage: 1.5 V max., OFF: leakage current: 0.1 mA max.

Transfer output

4 to 20 mA, permissible load impedance: 600

Ω max., resolution: approx. 2,600

Remote SP input

Current input: 4 to 20 mA (Input impedance: 150

Ω)

Current Transformer input

Connect an exclusive Current Transformer (E54-CT1 or E54-CT3)

Other functions

Standard

Manual output, heating/cooling control, SP limiter, loop burnout alarm, SP ramp, MV limiter, MV

change rate limiter, input digital filter, input shift, run/stop, protect functions

Option

Multiple SP, run/stop selection, transfer output functions

Degree of protection

Conforms to IEC IP66 and NEMA4 (Indoor use)

Input (switch selectable)

JPt100

Pt100

Range

°C

−199.9 to 650.0

−199.9 to 650.0

°F

−199.9 to 999.9

−199.9 to 999.9

Setting

01