Omron E5EK-DRT DATASHEET
CompoBus/D-type Digital Controller 
E5EK-DRT
Digital Controller for the CompoBus/D and Conforming to the DeviceNet
Conforms to the DeviceNet and connects to a Programmable Controller without any programming.
High performance range of 0.1% FS (Pt input: –100.0_C to 100.0_C).
Simple initial settings when used with the
Configurator (order separately).
RC
Ordering Information
Size |
Communications |
Model |
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48 x 96 mm |
CompoBus/D |
E5EK-AA2-DRT |
Note: 1. The heater burnout alarm function can be used only when an ON/OFF Output Unit is used for the control outputs (heat). 2. Be sure to specify the Current Transformer and Output Unit when ordering.
Description |
Model |
Specification |
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Output Unit (order separately) |
E53-R |
Relay |
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E53-S |
SSR |
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E53-Q |
Pulse (NPN) 12 VDC |
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E53-Q3 |
Pulse (NPN) 24 VDC |
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E53-Q4 |
Pulse (PNP) 24 VDC |
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E53-C3 |
Linear (4 to 20 mA) |
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E53-C3D |
Linear (0 to 20 mA) |
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E53-V34 |
Linear (0 to 10 V) |
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E53-V35 |
Linear (0 to 5 V) |
Note: The Digital Controller uses a dedicated, high-resolution Output Unit. The E53-C Current Output Unit for the E5jX cannot be used with the Digital Controller.
Inspection Report
The Digital Controller can be provided together with an Inspection Report.
Refer to the following legend with the suffix “K” when ordering a model provided together with an Inspection Report. E5EK-AA2-DRT-K
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E5EK-DRT 
E5EK-DRT
Accessories (Order Separately)
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Model |
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Hole diameter |
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Current Transformer |
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E54-CT1 |
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5.8 mm |
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E54-CT3 |
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12.0 mm |
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Note: No CT is required unless the heater burnout alarm function is used. |
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Name |
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Model |
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Connectable models |
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Terminal Cover |
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E53-COV08 |
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E5EK |
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Name |
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Model |
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Description |
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One-branch T-branch Tap |
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DCN1-1C |
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With three connectors |
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Two-branch T-branch Tap |
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DCN1-3C |
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With five connectors |
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Communications Cable |
Thin |
DCA1-5C10 |
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Outer diameter: |
7.0 mm |
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Length: |
100 m |
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Thick |
DCA2-5C10 |
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Outer diameter: |
11.6 mm |
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Length: |
100 m |
Terminal Block Terminating Resistor |
DRS1-T |
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Resistance: |
121 Ω |
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Note: Refer to CompoBus/D Operation Manual (W267) and CompoBus/D Catalog (Q102) for details such as ratings and characteristics.
Ranges
Platinum Resistance Thermometer
Input (switch selectable) |
JPt100 |
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Pt100 |
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Range |
° C |
–199.9 to 650.0 |
–199.9 to 650.0 |
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–100.0 to 100.0 |
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° F |
–199.9 to 999.9 |
–199.9 to 999.9 |
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–150.0 to 250.0 |
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Setting |
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0 |
1 |
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22 |
Thermocouple
Input (switch |
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K |
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J |
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T |
E |
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L |
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U |
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N |
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R |
S |
B |
W |
PLII |
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selectable) |
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(see note) |
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Range |
° C |
–200 |
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0.0 to |
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–100 |
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0.0 to |
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–199.9 |
0 to |
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–100 |
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0.0 to |
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–199.9 |
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–200 |
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0 to |
0 to |
100 |
0 to |
0 to |
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to |
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500.0 |
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to |
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400.0 |
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to |
600 |
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to |
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400.0 |
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to |
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to |
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1,700 |
1,700 |
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to |
2,300 |
1,300 |
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1,300 |
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850 |
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400.0 |
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850 |
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400.0 |
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1,300 |
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1,800 |
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° F |
–300 |
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0.0 to |
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–100 |
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0.0 to |
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–199.9 |
0 to |
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–100 |
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0.0 to |
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–199.9 |
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–300 |
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0 to |
0 to |
300 |
0 to |
0 to |
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to |
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900.0 |
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to |
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750.0 |
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to |
1,100 |
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to |
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750.0 |
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to |
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to |
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3,000 |
3,000 |
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to |
4,100 |
2,300 |
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2,300 |
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1,500 |
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700.0 |
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1,500 |
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700.0 |
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2,300 |
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3,200 |
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Setting |
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2 |
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3 |
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4 |
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5 |
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6 |
7 |
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8 |
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9 |
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10 |
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11 |
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12 |
13 |
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14 |
15 |
16 |
Note: Setting number is factory-set to 2 (K). |
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Thermocouple W is W/Re5-26 (tungsten rhenium 5, tungsten rhenium 26). |
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Current/Voltage |
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Input (switch selectable) |
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Current input |
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Voltage input |
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4 to 20 mA |
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0 to 20 mA |
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1 to 5 V |
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0 to 5 V |
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0 to 10 V |
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Range |
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One of following ranges depending on results of scaling |
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–1999 to 9999 |
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–199.9 to 999.9 |
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–19.99 to 99.99 |
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–1.999 to 9.999 |
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Setting |
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17 |
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18 |
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19 |
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20 |
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21 |
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2
E5EK-DRT 
E5EK-DRT
Specifications
Ratings
Supply voltage |
100 to 240 VAC, 50/60 Hz, 24 VAC/DC |
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Operating voltage range |
85% to 110% of rated supply voltage |
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Power consumption |
15 VA (100 to 240 VAC), 12 VA (24 VAC), 8 W (24 VDC) |
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Input |
Thermocouple: K, J, T, E, L, U, N, R, S, B, W, PLII |
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Platinum resistance thermometer: JPt100, Pt100 |
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Current input: |
4 to 20 mA, 0 to 20 mA (Input impedance: 150 Ω ) |
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Voltage input: |
1 to 5 V, 0 to 5 V, 0 to 10 V (Input impedance: 1 MΩ ) |
Input impedance |
Current input: |
150 Ω |
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Voltage input: |
1 MΩ min. |
Auxiliary output |
SPST-NO, 3 A at 250 VAC (resistive load) |
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Control method |
ON/OFF or advanced PID control (with auto-tuning) |
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Setting method |
Digital setting using front panel keys |
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Indication method |
7-segment digital display and LEDs (Character height: PV: 14 mm, SV: 9.5 mm) |
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Control output |
According to Output Unit (see Output Unit Ratings and Characteristics) |
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(Attach an Output Unit that is sold separately.) |
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Remote SP input |
Current input: 4 to 20 mA (Input impedance: 150 Ω ) |
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Current Transformer input |
Connect an exclusive Current Transformer (E54-CT1 or E54-CT3) |
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Other functions |
Standard |
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Manual output, heating/cooling control, SP limiter, loop burnout alarm, SP ramp, MV limiter, |
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MV change rate limiter, input digital filter, input shift, run/stop, protect functions |
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Option |
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Run/Stop selection, etc. |
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Note: 1. To conform to EN50081-2 (FCC Class A) for ratings of noise terminal voltages, attach a noise filter (TDK ZCB2206-11 or equivalent) to the AC power supply line.
2. Fuzzy self-tuning is not provided with the E5EK-DRT.
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