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E5CB

Temperature Controller 

Instruction Manual 

Thank you for purchasing the OMRON E5CB 
Temperature Controller. This manual describes the functions, 
performance, and application methods needed for optimum use 
of the product. 
Please observe the following items when using the product. 
•  This product is designed for use by qualified personnel with a 

knowledge of electrical systems. 

• Before using the product, thoroughly read and understand 

this manual to ensure correct use. 

• Keep this manual in a safe location so that it is available for 

reference whenever required. 

©

All Rights Reserved 

Suitability for Use 

Do not touch the terminals while power is being supplied. Doing so may occasionally result in minor 
injury due to electric shock.

Do not allow pieces of metal, wire clippings, or fine metallic shavings or filings from installation to 
enter the product. Doing so may occasionally result in electric shock, fire, or malfunction. 

Do not use the product where subject to flammable or explosive gas. Otherwise, minor injury from 
explosion may occasionally occur. 

Never disassemble, modify, or repair the product or touch any of the internal parts. Minor electric 
shock, fire, or malfunction may occasionally occur.  

If the output relays are used past their life expectancy, contact fusing or burning may occasionally occur. 
Always consider the application conditions and use the output relays within their rated load and electrical 
life expectancy. The life expectancy of output relays varies considerably with the output load and 
switching conditions. 

Tighten the terminal screws to between 0.74 and 0.90 N·m. Loose screws may occasionally result in fire. 

Set the parameters of the product so that they are suitable for the system being controlled. If they 
are not suitable, unexpected operation may occasionally result in property damage or accidents. 

EN 

Models with Dual Display: E5CB -  

Relay output: 250 VAC, 3 A (resistive load) 

Voltage output (for driving SSR): 12 VDC, 21 mA 

Control output 

Sensor type 

1

Relay output: 250 VAC, 1 A (resistive load) 

Alarm 

• Insert the Controller through the hole in the panel. Push the adapter on 
from  the rear to secure the Controller.

• Make sure that the surrounding temperature does not exceed the 
allowable operating temperature given in the specifications, especially 
when  two  or  more Controllers are mounted. 

•  When complying with EMC standards, the cable connecting the sensor to 

the TC or Pt input must be 30 m or less. If the cable length exceeds 30 m, 
compliance with EMC standards will not be possible. 

Individual Mounting 

Side-by-side Mounting 

TC  Thermocouple (K, J, T, R, or S) 

Platinum resistance thermometer (Pt100) 

The standby sequence is cleared when the alarm OFF condition has been met. 
The standby sequence is started again when any of the following conditions is met.  
• Operation is started (power is turned ON or operation is switched from stop to run). 
• The alarm value is changed.  
• The temperature input offset is changed.  
• The set point is changed.  

Standby sequence cleared 

Alarm value 

Alarm with standby sequence 

Process value 

Time 

Alarm without standby sequence 

Example: Deviation Lower Limit Standby Sequence ON 

The default alarm type is 2. 

• The control output and the alarm output will turn OFF when an error occurs. 
(For 

s.err

, the alarm output will be processed for a high temperature error.) 

• If the input value exceeds the display limit (-1999 to 9999) but it is still within the control range,  

 [[[[

 will be displayed for values under -1999. 

Under these conditions, the control output and alarm output will operate normally. 

*1: This error is displayed only when the process value and set point are displayed. 
*2: If the display does not change, the Controller needs to be repaired. 
If operation returns to normal, then noise may have caused the problem. Check for noise. 
*3: 

e111

 will be displayed on display No. 1 and 

sum

 will be displayed on display No. 2. 

 

*

 

*

 

*

 

*

 

*

The default alarm type is 8. 

The default alarm type is 0. 

300 to 2300 

0.0 to 900.0 

100 to 1500 

0.0 to 750.0 

300 to 700 

199.9 to 700.0 

0 to 3000 

0 to 3000 

200 to 1300 

20.0 to 500.0 

100 to 850 

20.0 to 400.0 

200 to 400 

199.9 to 400.0 

0 to 1700 

0 to 1700 

Input 

Setting range (°C) 

Setting range (°F) 

t

p

o

Input Type 

i

.

n

.

p

.

AT Execute/ 
Cancel 

Temperature  
Unit 

t

p

o

Temperature  
Input Shift 

PID • ON/OFF 

Alarm Value  

Proportional  
Band 

Control Period 

r

.

-

.

RUN/STOP 

Integral Time 

Direct/Reverse  
Operation 

Derivative  
Time 

Alarm Type  

Hysteresis 

Operation/ 
Adjustment  
Protect 

Initial  
Setting  
Protect 

Operation  
Control Key  
Protect 

PV/SP

Manual Reset  
Value 

Adjustment  
Level 

2

.

5

for less  

for at least  

3 seconds. 

Protect  

Level 

Operation  

Level 

Adjustment  

Level 

POWER ON 

Initial Setting  

Level 

100 to 240 VAC, 50/60Hz or 24 VAC,50/60Hz or 24 VDC

85% to 110% of the rated voltage 

Approx. 3.5VA (100 to 240 VAC) 

Relay output: 250 VAC, 3 A (resistive load) 
Voltage output (for driving SSR): 12 VDC  
+25%/

15%, 21 mA 

Relay output: 250 VAC, 1 A (resistive load) 

ON/OFF or 2-PID control 

100,000 operations 

250 ms 

−10 to 55°C (with no condensation or icing) 

Thermocouple: K, J, T, R, or S  
(JIS C 1602-1995 and IEC 60584-1) 
Platinum resistance thermometer: Pt100  
(JIS C 1604-1997 and IEC 60751) 

Control output 

Recommended fuse 

Weight 

Degree of protection 

Alarm output 

Control method 

Electrical life of relay 

Sampling period 

Malfunction vibration 

Vibration resistance 

Ambient temperature 

Ambient humidity 

Storage temperature 

Altitude 

Installation environment 

Memory protection 

Indication accuracy  
(ambient temperature: 23°C) 

25% to 85% 

Power supply voltage 

Operating voltage range 

Power consumption 

−25 to 65°C (with no condensation or icing) 

2,000 m max. 

T2A, 250 VAC, time-lag, low-breaking capacity 

Approx. 100 g (Controller only) 

Front panel: IP66  Rear case: IP20,  
Terminal section: IP00 

Installation category II,  
pollution degree 2 (as per IEC 61010-1) 

Non-volatile memory 
(number of write operations: 100,000) 

Sensor type 

 Alarm 

type 

No alarm 

Deviation upper/lower limit 

Deviation upper limit 

Deviation lower limit 

Deviation upper/lower range 

Deviation upper/lower limit  
standby sequence ON 

Deviation upper limit standby  
sequence ON 

Deviation lower limit standby  
sequence ON 

Absolute value upper limit 

Absolute value lower limit 

Absolute value upper limit  
standby sequence ON 

Absolute value lower limit  
standby sequence ON 

Do not set. 

Output OFF 

Positive alarm  
value (X) 

Negative alarm  
value (X) 

Always ON 

Always OFF 

Always OFF 

Process value 

Level 

Setting 

Adjustment Level 

Operation  

Level 

PV/SP 

Others (Alarm Value) 

: Operation control keys are enabled but operation control using  
  parameters is disabled. 

: Operation control keys are disabled but operation control using  

  parameters is enabled. 

: Operation control keys and operation control using parameters  

  are disabled. 

Default: 0 

Operation Control 

AT Execute/Cancel (

M

+

D

RUN/STOP (

M

+

U

1 2  3 

Setting 

Level 

Do not set. 

Setting 

Initial Setting Level 

Default: 1 

• Operation/Adjustment Protection 

• Initial Setting Protection 

• Operation Control Key Protection 

− 

Pt input 

Alarm Output 

• Relay output: 250 VAC, 1 A  

(resistive load) 

Input power supply 

• 

100 to 240 VAC, 50/60 Hz   

DO NOT 
USE 

Control output 


− 

TC input 

Step 3 

Adjustment Level: Used to tune parameters and set control parameters.  

Adjustment Level 

AT Execute/Cancel 

Temperature Input Shift 

Proportional Band 

Integral Time 

Derivative Time 

Manual Reset Value 

Hysteresis 

l.adj 

at 

ins 

of-r 

hys 

This display indicates that you have moved to Adjustment Level. 

Starts and stops autotuning. (Displayed only when PID control is selected.)

*1*2 

Set a compensation value for the temperature input in increments of 0.1°C or 0.1°F. 

Set the proportional band in increments of 0.1°C or 0.1°F.(Displayed only when PID control is selected.)  

Set the integral time in increments of 1 s. (Displayed only when PID control is selected.)  

Set the derivative time in increments of 1 s. (Displayed only when PID control is selected.)  

Set the manipulated value to use for P or PD control (I = 0). The offset will be canceled.  

Set the hysteresis to use to achieve stable operation when switching the control output  
ON/OFF during ON/OFF control. (Displayed only when ON/OFF control is selected.)  

off

/

on 

-199.9

 to 

999.9 

0.1

 to 

999.9 

0

 to 

3999 

0

 to 

3999 

0.0

 to 

100.0 

0.1

 to 

999.9 

OFF 

0.0 (°C) 

8.0 (°C) 

233 (s) 

40 (s) 

50.0 (%) 

1.0 (°C) 

Step 4 

Protect Level: Used to set parameters to restrict key operations. 

Operation/Adjustment Protect 

Initial Setting Protect 

Operation Control Key Protect 

oapt 

inpt 

okpt 

Set protection for Operation Level and Adjustment Level. 

Set protection for Initial Setting Level.  

Set protection for the AT Key and RUN/STOP Key (operation control keys).  

*Refer to table on the right. 

*Refer to table on the right. 

*Refer to table on the right. 

Step 2 

Operation Level: Used to monitor the process value and to set the set point, alarm value, etc. 

PV/SP 

Alarm value 

RUN/STOP 

Monitor the process value and set the set point. 

Set the alarm value. The location of the decimal point depends on the sensor type.  

Start and stop control operation. 

*1 

-1999

 to 

9999 

run

/

stop 

SV: 0 (°C) 

0 (°C) 

RUN 

Display 

n

o

i

t

p

i

r

c

s

e

D

e

m

a

n

r

e

t

e

m

a

r

a

P

Setting/monitoring range 

Default 

Step 1 

Initial Setting Level: Used to set basic specifications. 

Input Type 

Temperature Unit 

PID • ON/OFF 

Control Period 

Direct/Reverse Operation 

Alarm Type 

in-t

d-u

cntl

cp

alt1

Set the input sensor type. 

Set the unit for temperature input to Celsius (°C) or Fahrenheit (°F). 

Set either 2-PID control or ON/OFF control. 

Set the time-proportional control period for the control output.  
(Displayed only when PID control is selected.)

Set either reverse option (heating control) or direct operation (cooling control).  

Set the alarm type.

c

(°C)/

f

(°F) 

onof

/

pid 

0.5

1

 to 

99 

0 or 8 

°C 

ON/OFF 

20 or 2 (s) 

Or-r  
(reverse control) 

2 (Deviation upper limit) 

or-r

(reverse control) 

or-d

 (direct control) 

*1: Displayed only when Operation Control Key Protection is set to 4. 
*2: The setting cannot be changed during autotuning. Autotuning will be stopped if you move to Initial Setting Level or stop control operation.  

• Displays during Autotuning 
  The AT Execute/Cancel characters on display No. 1 and the PV/SP characters on display No. 2 will flash. 

Setting 

Check the wiring of inputs, disconnections, short circuits  
and input type. 

Turn the power OFF then back ON again.

*2 

Press the 

U

 and 

D

 Keys for at least 3 seconds to  

initialize the settings and clear the non-volatile memoryerror. *2

n

o

i

t

c

A

y

a

l

p

s

i

D

s.err 

(S.ERR) 

e111 

(E111) 

e111

/

sum 

(E111)/(SUM) 

*3 

Meaning 

Input error

*1 

RAM memory error 

Non-volatile memory  

memory error 

300 to 1500 

199.9 to 900.0 

200 to 850 

199.9 to 500.0 

Pt100 

Adapter 

Recommended panel thickness is 
1 to 5 mm. 
Always use individual mounting if 
waterproofing is required. Attach 
waterproof packing from the side 
with the terminals before mounting 
to the panel.

(9) 

Up Key: Increases the setting. 

(10) 

O

+

M

O

M

Press these keys for at least 3 seconds in Operation Level or Adjustment Level 
to go to Protect Level. 
Press these keys for at least 1 second in Protect Level to return to Operation Level.  

(11) 

M

+

D

D

Press these keys for at least 2 seconds to start or stop autotuning.*1 

(12) 

M

+

U

M U

Press these keys for at least 2 seconds to start or stop operation.*2 

*1: These keys are disabled when starting and stopping autotuning has been disabled with operation 
     control key protection.  

*2: These keys are disabled when starting and stopping operation has been disabled with operation 
      control key protection.  

Control Output 
• Relay output: 250 VAC, 3 A (resistive load) 
• Voltage output (for driving SSR): 12 VDC, 21 mA 

Alarm hysteresis  
(always 0.2 

°

C/

°

F) 

10 

45 

+0.6 

+1.0 

45 

60 min. 

+0.6 

45 

+0.6 

(48 x number of Controllers − 2.5) 

OMRON CORPORATION 

Warning Symbols 

Specifications 

Wiring 

Model Number Legends 

Dimensions (mm) 

Installation (mm) 

Connections 

Front Panel Part Names and Functions 

(1) Display No. 1 

Displays the process value (PV) or parameter.  

(2) Display No. 2 

Displays the set point (SP) or parameter setting. 

(3) ALM 

Lit while the alarm is ON. Not lit while the alarm is OFF.  

(4) OUT 

Lit while the control output is ON. 

                                       Not lit while the control output is OFF.  

(5) STOP 

Not lit during operation. Lit while operation is stopped.  

(6)

O

  

Level Key: Changes the setting level. 

(7) 

Mode Key: Changes the parameter within the setting level. 

Operation Menu 

Parameter Operations 

Press 

Press 
than 1 second. 

for at least 1 second. 

Press 

Parameter Tables 

Display 

n

o

i

t

p

i

r

c

s

e

D

e

m

a

n

r

e

t

e

m

a

r

a

P

Setting/monitoring range 

Default 

Display 

n

o

i

t

p

i

r

c

s

e

D

e

m

a

n

r

e

t

e

m

a

r

a

P

Setting/monitoring range 

Default 

Display 

n

o

i

t

p

i

r

c

s

e

D

e

m

a

n

r

e

t

e

m

a

r

a

P

Setting/monitoring range 

Default 

*Refer to table on the right. 

*Refer to table on the right. 

al-1 

r-s 

Input type: Thermocouple 

Input 

Setting range (°C) 

Setting range (°F) 

Setting 

Input type: Platinum Resistance Thermometer 

Troubleshooting 

Protection 

: Can be displayed and changed. 

: Can only be displayed. 

: Display or changing to another level is not possible. 

 0 

 1 

 2 

 3 

OMRON EUROPE B.V. 

Wegalaan 67-69, NL-2132 JD Hoofddorp The Netherlands 
 Phone 31-2356-81-300 
 FAX 31-2356-81-388 

OMRON ELECTRONICS LLC 

One Commerce Drive Schaumburg, IL 60173-5302 U.S.A   
    Phone 1-847-843-7900 
 FAX 1-847-843-7787 

OMRON ASIA PACIFIC PTE. LTD. 

No. 438A Alexandra Road # 05-05/08 (Lobby 2), 
Alexandra Technopark, Singapore 119967 
 Phone 65-6835-3011 
 FAX 65-6835-2711 

OMRON Corporation 

Shiokoji Horikawa, Shimogyo-ku, Kyoto 600-8530 JAPAN 

Malfunction shock 

Shock resistance 

10 to 55 Hz, 20 m/s

2

 for 10 min each in X, Y and Z directions 

10 to 55 Hz, 20 m/s

2

 for 2 h each in X, Y and Z directions 

200 m/s

2

, 3 times each in X, Y, and Z directions 

300 m/s

2

, 3 times each in X, Y, and Z directions 

(

±

0.5% of indication value or 

±

1

°

C, whichever is 

greater) 

±

1 digit max. 

R,S thermocouple at 200

°

C or less: 

±

3

°

C

±

1 digit  max.

Use a deviation alarm to link the alarm to the SP.  
If the SP is changed, the alarm operating point will also change. 

Deviation Alarm 

Use an absolute value alarm when the alarm is not linked to the SP. 

Absolute Value Alarm 

ON 
OFF 

SP 

ON 
OFF 

SP 

ON 
OFF 

SP 

ON 
OFF 

ON 
OFF 

ON 
OFF 

ON 
OFF 

ON 
OFF 

ON 

OFF 

SP 

X

SP 

ON 
OFF 

SP 

ON 
OFF 

SP 

X

ON 
OFF 

SP 

X

ON 
OFF 

SP 

ON 
OFF 

SP 

ON 
OFF 

ON 
OFF 

ON 
OFF 

ON 
OFF 

Set this difference. 

SP 

Linked 

Fixed 

Set the difference  
(deviation) from the SP. 

Set the alarm operating point as the temperature (absolute value). 

Set the temperature (absolute value)  
at which to output an alarm. 

Alarms with a Standby Sequence

SP 

ON 
OFF 

Alarms 

 Setting 

 0 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 10 

 11 

 12 

Alarm 
operating 
point 

Alarm 
operating 
point 

The alarm is blocked until the first safe-state is reached. 
Unwanted alarm during start-up are prevented.  

Deviation/ab

solute value 

alarm 

Deviation  
alarm 

Deviation  
alarm 

Deviation  
alarm 

Deviation  
alarm 

Deviation  
alarm 

Deviation  
alarm 

Deviation  
alarm 

Absolute 
value alarm 

Absolute 
value alarm 

Absolute 
value alarm 

Absolute 
value alarm 

Precautions for Safe Use 

A malfunction in the Temperature Controller may occasionally make control operations impossible or prevent 
alarm outputs, resulting in property damage. To maintain safety in the event of malfunction of the Temperature 
Controller, take appropriate safety measures, such as installing a monitoring device on a separate line.   

Default: 0 

: Can be displayed and changed. 
: Display or changing to another level is not possible. 

1654624-5B CB1 

for at least 3 seconds. 

Press 

for at least  

1 second. 

Press 

Approx. 3.5VA (24 VAC) 
Approx. 2.5W (24 VDC) 

• 

24 VAC, 50/60 Hz 

• 

24 VDC(no polarity) 

---  100 to 240 VAC

D 24 

VAC/VDC

Power Supply 

E5CB 

0

1

0

0

0

run

l.adj 

at

n

i

p

i

-

off

0.0

8.0

233

d

 40

o

.

f

.

-

.

h

.

y

.

s

50.0

1.0

-t 

n

d-u

cn

.

tl

cp

oreV 

alt1 

i -t 

0

c

onof

20

or-r

2

al-1 

oreV 

Package Contents 
   • Temperature Controller 
   • Adapter 
   • Instruction Manual 
   • Watertight packing 

Watertight
packing 

K,T thermocouple at -100

°

or less: 

±

1 digit  max.

±2

°

Conformance to EN/IEC Standards

This is a class A product.
In residential areas it may cause radio 
interference, in which case the user may 
be required to take adequate measures
to reduce interference.

Conformance to Safety Standards

Reinforced insulation is 
provided between input power
supply, relay outputs, and 
between other terminals.

(8) 

• 
• 

Solderless terminal size: M3.5 
Terminal Cover: E53-COV19 

(sold separately) 

USB-Serial Conversion Cable: 

E58-CIFQ2

(sold separately) 

• 

The Support Software port is on the top of the Temperature Controller. This port is used to connect the Temperature Controller to a personal computer. 
The E58-CIFQ2 USB-Serial Conversion Cable is required to make the connection. For details on connection methods, refer to the E58-CIFQ2 
USB-Serial Conversion Cable Insrcution Manual.
*Do not leave the USB-Serial Conversion Cable connected while using the Temperature Controller.

Panel

CAUTION

CAUTION - Risk of Fire and Electric Shock

a) This product is UL listed as Open Type Process Control Equipment. It must be mounted in an 

enclosure that 

does not allow fire to escape externally.

b) More than one disconnect switch may be required to de-energize the equipment before servicing. 

Safety Precautions 

CAUTION 

Key to Warning Symbols 

Indicates a potentially hazardous situation 
which, if not avoided, is likely to result in minor 
or moderate injury or property damage. Read 
this manual carefully before using the product.

OMRON shall not be responsible for conformity with any standards, codes, or 
regulations that apply to the combination of the products in the customer's application 
or use of the product. Take all necessary steps to determine the suitability of the 
product for the systems, machines, and equipment with which it will be used. 
Know and observe all prohibitions of use applicable to this product. 
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING 
SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE 
SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, 
AND THAT THE OMRON PRODUCT IS PROPERLY RATED AND INSTALLED 
FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. 
See also product catalog for Warranty and Limitation of Liability. 

Down Key: Reduces the setting. 

U

D

M

Be sure to observe the following precautions to prevent operation failure, malfunction, or adverse affects on the 
performance and functions of the product. Not doing so may occasionally result in unexpected events. 
(1)    The product is designed for indoor use only. Do not use the product outdoors or in any of the following locations. 

 •Places directly subject to heat radiated from heating equipment. 
 •Places subject to splashing liquid or oil atmosphere. 
 •Places subject to direct sunlight. 
 •Places subject to dust or corrosive gas (in particular, sulfide gas and ammonia gas). 
 •Places subject to intense temperature change. 
 •Places subject to icing and condensation. 
 •Places subject to vibration and large shocks. 

(2)      Use/store within the rated temperature and humidity ranges. 

Provide forced-cooling if required. 

(3)     To allow heat to escape, do not block the area around the product.

Do not block the ventilation holes on the product.

(4)      Be sure to wire properly with correct polarity of terminals. 
(5)      Use specified size (M3.5, width 7.2 mm or less) crimped terminals for wiring. To connect bare wires to the 

terminal block, use copper braided or solid wires with a rated temperature of over 70°C and a gauge of 
AWG24 to AWG14 (equal to a cross-sectional area of 0.205 to 2.081 mm

2

 (The stripping length is 5 to 6 mm.) 

Up to two wires of same size and type, or two crimped terminals can be inserted into a single terminal.

(6)      Do not wire the terminals which are not used. 
(7)      Allow as much space as possible between the controller and devices that generate a powerful high- 

frequency or surge. Separate the high-voltage or large-current power lines from other lines, and avoid parallel 
or common wiring with the power lines when you are wiring to the terminals. 

(8)      Use this product within the rated load and power supply. 
(9)      Make sure that the rated voltage is attained within two seconds of turning ON the power using a switch or 

relay contact. If the voltage is applied gradually, the power may not be reset or output malfunctions may occur. 

(10)  Make sure that the Controller has 30 minutes or more to warm up after turning ON the power before 

starting actual control operations to ensure the correct temperature display.  

(11)  A switch or circuit breaker should be provided close to this unit. 

The switch or circuit breaker should be within easy reach of the operator, and must be marked as a 
disconnecting means for this unit. 

(12)  Do not use paint thinner or similar chemical to clean with. Use standard grade alcohol.  
(13)  Design system (control panel, etc) considering the 2 second of delay that the controller’s output to be set after 

power ON.

(14)  The output may turn OFF when shifting to certain levels. Take this into consideration when performing control. 
(15)  The number of non-volatile memory write operations is limited. 
(16)  

The voltage output (control output) is not electrically isolated from the internal wiring. One or 

the other of the control output terminals must therefore be left ungrounded when using a 
grounded  thermocouple  thermometer.  (If  both  are grounded, measurements will be unreliable 
due to sneak current.) 

 

(17)  Do not continue to use the product if the front surface peels or becomes cracked.

60

5

65

58

1.5

48×48

44.8×44.8

(10) 

(11) 

(12) 

(9) 

(8) 

(2) 

(1) 

(4) 

(5) 

(7) 

(3) 

(6) 

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