Omron E5AX-BA Series User manual

1
Temperature Controller E5AX-BA/BAH
E5EX-BA/A02/A03
Compact 96 x 48-mm (DIN) Temperature
Controller with Communication
Capabilities and 8 Memory Banks
Advanced PID control with feed-forward circuitry
(2-PID) for optimum control.
Eight memory banks for easy parameter changes.
Communication capabilities for centralized data
management.
Interchangeable Output Units to expand Controller
applicability.
Input sensor selectable via internal switches.
Available with heater burnout detection.
Ordering Information
An Output Unit must be connected to all Controllers.
An Output Unit and Current T
ransformer must also be connected to Controllers with a heater burnout alarm.
Current Output Units and Current T ransformer are sold separately .
Current Output Units cannot be used to control the outputs of E5EX models that incorporate a heater burnout alarm.
Be sure to specify Output Unit and Current T ransformer as necessary when ordering.
Example: E5EX-BA TC, Relay Output Unit E53-R, Current T ransformer E54-CT1
Temperature Controllers
Thermocouple
Item 8 banks Communications
W ithout heater W ith heater RS-422 RS-485
burnout alarm burnout alarm W ithout heater
burnout alarm
W ith heater
burnout alarm
W ithout heater
burnout alarm
W ith heater
burnout alarm
Model E5AX-BATC
E5EX-BATC E5AX-BAHTC E5EX-BAHTC E5EX-A02TC E5EX-AH02TC E5EX-A03TC E5EX-AH03TC
Platinum Resistance Thermometer
Item 8 banks Communications
W ithout heater W ith heater RS-422 RS-485
burnout alarm burnout alarm W ithout heater
burnout alarm
W ith heater
burnout alarm
W ithout heater
burnout alarm
W ith heater
burnout alarm
Model E5AX-BAP
E5EX-BAP E5AX-BAHP E5EX-BAHP E5EX-A02P E5EX-AH02P E5EX-A03P E5EX-AH03P
Current Transformers (CT)
Hole diameter 5.8 mm 12.0 mm
Model E54-CT1 E54-CT3
Note: The E54-CT2 cannot be used.

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Temperature Ranges
Thermocouple
Input
(switch
selectable) R
Platinum
vs.
platinum.
rhodium
13%
S
Platinum
vs.
platinum.
rhodium
10%
K (CA)
Chromel vs.
alumel
J/L (IC)
Iron vs.
constantan
T/U (CC)
Copper vs.
constantan
E (CRC)
Chromel
vs.
constantan
B
Platinum.
rhodium
30% vs.
platinum.
rhodium 6%
N
Nichrosil
vs. nisil
Range °C 0 to 1,700 0 to 1,700 –200 to 1,300 –100 to 850 –200 to 400 0 to 600 100 to 1,800 0 to 1,300
°F 0 to 3,000 0 to 3,000 –300 to 2,300 –100 to 1,500 –300 to 700 0 to 1,100 300 to 3,200 0 to 2,300
Resolution
(°C/°F)
(main settings
and alarm)
1
Platinum Resistance Thermometer
Input (switch selectable) JPt100/Pt100
Range °C –99.9 to 450.0
°F –99.9 to 800.0
Resolution ( °C/° F) (main
settings and alarm)
0.1
Specifications
Ratings
Supply voltage 100 to 240 V AC, 50/60 Hz
Operating voltage range 85% to 1 10% of rated supply voltage
Power consumption Approx. 10 V A (at 100 V AC) to 15 V A (at 24 V AC)
Input Thermocouple (R/S/K/J/T/E/B/N/L/U) or platinum resistance thermometer (Pt100/JPt 100),
selectable
Current T ransformer input Connect an exclusive Current T ransformer unit (E54-CT1 or E54-CT3).
Control output See Control Output Unit Ratings (Control Output Units are sold separately .)
Control mode PID control with feed-forward circuitry (feed-forward PID) with auto-tuning or ON/OFF
Alarm output Relay output, 2 independent SPST -NO contacts; 3 A, 250 VAC (resistive load)
Heater burnout alarm output Relay output, SPST -NO; 1 A, 250 V AC (resistive load)
Setting method Digital setting via Up and Down Keys
Indication method Digital indications (character heights: PV : 1 1 mm, SV : 8 mm, BK: 8 mm) (color PV : red,
SV : green, BK: orange)
Bank selection No voltage, contact signal input; contact impedance: 100 Ω max.
Other functions Upper and lower limits for set value
Key protection
Input shift
Scale selection ( °C/°F)
Normal and reverse output selection
Bank selection
Bank copy
W atchdog timer function (Detects failures in the CPU and restores the CPU.)
Output Unit Ratings
Relay Output Unit E53-R SPDT ; 5 A, 250 V AC (resistive load)
SSR Output Unit E53-S SPST -NO; 1 A, 75 to 250 V AC; leakage current: 1.5 mA max. (at 200 V AC)
Voltage Output Unit E53-Q 40 mA max., 12 VDC; NPN (with short-circuit protection)
(for driving SSR) E53-Q3 20 mA max., 24 VDC; NPN (with short-circuit protection)
E53-Q4 20 mA max., 24 VDC; PNP (with short-circuit protection)
Current Output Unit* E53-C 4 to 20 mA, DC: 600 Ω max.; resolution: 212
*Current Output Units cannot be used to control the outputs of E5EX models that incorporate a heater burnout alarm.

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Current Transformer Ratings
Max. continuous heater current 50 A
Dielectric strength 1,000 V AC (for 1 min)
V ibration resistance 50 Hz (approx. 10G)
Weight E54-CT1: Approx. 1 1.5 g; E54-CT3: Approx. 50 g
Accessories (E54-CT3 only) Contact: 2; Plug: 2
Controller Characteristics
Setting accuracy* (± 0.3% of set value or ±1° C, whichever greater) ± 1 digit max.
Indication accuracy (± 0.3% of indication value or ±1° C, whichever greater) ± 1 digit max. (Set value coincides with
the indicated value, because no relative error exists between both values.)
Hysteresis 0.0° to 999.9 °C/° F (in units of 0.1 °C/° F) (during ON/OFF control action)
Proportional band 0.0° to 999.9 °C/° F (in units of 0.1 °C/°F)
Integral (reset) time 0 to 3,999 s (in units of 1 s)
Derivative (rate) time 0 to 3,999 s (in units of 1 s)
Alarm output setting range Thermocouple: –999 ° to 9,999 °C/° F (in units of 1 °C/°F)
Platinum resistance thermometer: –99.9 ° to 999.9 °C/° F (in units of 0.1 °C/°F)
Control period Pulse output: 1 to 99 s (in units of 1 s)
Sampling period 500 ms
Output refresh period 500 ms
Display refresh period 500 ms
Input shift range –99.9° to 999.9 °C/° F (in units of 1 °C/°F)
Insulation resistance 20 M Ω min. (at 500 VDC) (measured with a Control Output Unit attached)
Dielectric strength 2,000 V AC, 50/60 Hz for 1 minute between terminals of dif ferent polarities (measured with a
Control Output Unit attached)
V ibration resistance Malfunction: 2 to 55 Hz, 2G 10 minutes each in X, Y , and Z directions
Destruction: 10 to 55 Hz, 0.75-mm double amplitude 2 hours each in X, Y , and Z directions
Shock resistance Malfunction: 200 m/s
2
3 times each in 6 directions
Destruction: 300 m/s
2
3 times each in 6 directions
Ambient temperature Operating: –10° to 55 ° C (with no icing)
Storage: –25° to 65 ° C (with no icing)
Ambient humidity Operating: 35% to 85%
Memory protection Non-volatile memory
Enclosure ratings Front panel: IEC standard IP50
Rear case: IEC standard IP20
Terminals: IEC standard IP00
Weight Approx. 310 g; mounting bracket: approx. 50 g
*The accuracy of U thermocouples under temperatures from –150 ° to 400 ° C (–240 ° to 700 ° F) is ±2° C ( ±3.6° F) ± 1 digit. Accuracy is reduced
below –150 ° C (–240 ° F). The accuracy of R and S thermocouples under 0 ° to 200 ° C (0 ° to 400 ° F) is ±3° C ( ±5.4° F) ± 1 digit. The accuracy of the
B thermocouple below 400 ° C (750 ° F) is not guaranteed.
Output Unit Characteristics
Relay unit life expectancy Mechanical: 10,000,000 operations min.
Electrical: 100,000 operations min.

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Heater Burnout Detection Characteristics
Max. heater current 50 A, single-phase
Monitor accuracy of input current ± 5% of full scale ± 1 digit max.
Heater burnout detection setting range 0.1 to 49.9 A (in units of 0.1 A)*
Heater current monitor range 0.0 to 50.0 A
Min. detectable ON time 200 ms**
*Heater burnout is not detected when current is set to 0.0 A; the burnout alarm will be automatically turned ON when current is set to 50.0 A.
**When the control output is ON for less than 200 ms, heater burnout is not detected and heater current is not measured.
Communications
Protocol RS-422 RS-485
Transmission method 4-wire, half-duplex 2-wire, half-duplex
Synchronization method Start-stop synchronization
Baud rate 150/300/600/1,200/2,400/4,800/9,600 bps
T ransmission code ASCII (7-bit)
Communications W rite to T emperature
Controller
Main setting, set alarm value, proportional band, integral time, derivative time,
Auto-tuning (A T) start/stop, heater burnout alarm set value
Read from
T emperature Controller
Main setting, set alarm value, proportional band, integral time, derivative time, process
temperature, heater burnout alarm set value, Current T
ransformer input value, etc.
Note: 1. The maximum total cable length must not exceed the following limits.
RS-422: 500 m, RS-485: 500 m
2. A maximum of 32 T emperature Controllers can be connected to one host computer using serial communications (RS-422). In the
case of the RS-485 serial communications, however, a maximum of 31 Temperature Controllers can be connected to one host
computer.
Nomenclature
E5AX-BA/BAH
Heater Burnout Indicator
Lights when a heater burnout is de-
tected and stays lit unit reset.
Bank Number Display
Displays the present bank number.
Auto-tuning Indicator
Flashes on and off every second
when auto-tuning is taking place.
Output Indicator
Lights when the control output is
ON. Turns off when the current out-
put unit is used.
Level Key
Press for 2 seconds minimum to
change levels to set different
groups of parameters.
Display Key
Press to shift the display to the
next parameter.
Down Key
Press to decrease the main setting
or other parameters. Successively
decrease the value when held
down. Front cover
Process Value (PV) Display
Displays the process value, the
character for parameter being dis-
played on the SV display
, and error
messages.
Set Value (SV) Display
Displays the main setting and other
parameters.
Alarm Indicator
Lights when alarm output is ON.
Sensor Error Indicator
Lights when sensor error is de-
tected.
Auto-tuning Key
Press for 1 second minimum to start
auto-tuning. Press for 1 second
minimum during auto-tuning to stop
auto-tuning.
UP Key
Press to increase the main setting or
other parameters. Successively in-
creases the value when held down.

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E5EX-BA
Auto-tuning Indicator
Flashes on and off every second
when auto-tuning is taking place.
Bank Number Display
Displays the present
bank number.
Output Indicator
Lights when the control
output is ON. Turns off
when the current output
unit is used.
Display Key
Press to shift the display to
the next parameter.
Level Key
Press for 2 seconds minimum
to change levels to set differ-
ent groups of parameters.
Process Value (PV) Display
Displays the process value, the character for
parameter being displayed on the SV display,
and error messages.
Alarm 1 Indicator
Lights when alarm
output 1 is ON.
Set Value (SV) Display
Displays the main setting
and other parameters.
Alarm 2 Indicator
Lights when alarm output 2 is ON.
UP Key
Press to increase the main setting or
other parameters. Successively in-
creases the value when held down.
Auto-tuning Key
Press for 1 second minimum to start
auto-tuning. Press for 1 second minimum
during auto-tuning to stop auto-tuning.
Down Key
Press to decrease the main setting or
other parameters. Successively de-
crease the value when held down.
Front cover
Heater Burnout Indicator
Lights when a heater burnout is
detected and stays lit until reset.
Sensor Error Indicator
Lights when sensor error
is detected.
E5EX-BAH
E5EX-A02/-A03 E5EX-AH02/-AH03
Note: Press both the Display Key and Level Key for 1 second minimum to start auto-tuning.
Press both the Display Key and Level Key for 1 minimum during auto-tuning to stop auto-tuning.
Remote Indicator
Lights in the remote
mode. The indicator is
off in the local mode.
Remote Key
Press to communicate in
the remote mode. Press
again to set parameters
with the keys in the local
mode.

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Operation
NOTICE: Always turn of f the power supply to the T emperature Controller before changing any switch settings.
Settings
1. Remove the internal mechanism from the housing. Lift the
internal
mechanism while pressing the hook at the bottom of
the front panel.
Hook
Pull out the internal mechanism while
holding down the hook with your finger.
2. Connect a Control Output Unit to the vacant socket on the
printed
circuit board as shown below .
Mount the Control Output Unit
with the mark facing the direction
indicated by the arrow.
Set the output selector (SW205, OUTPUT
TYPE) to PULSE when a Relay, SSR, or
Voltage Output Unit is mounted. Set the
output selector to CURRENT when a
Current Output Unit is mounted.
To remove a Control Output Unit, push it up with the tip of a flat-blade
screwdriver as shown below .
Flat-blade screwdriver
3. Six internal switches must be set on the E5EX: the function
selector, the alarm mode selectors 1 and 2, the output
selector,
terminator switch, and the input type selector .
The
figures show the locations of these switches and the pro -
tection switch on the internal mechanisms. The protection
switch
can be used to disable key operation.
Protection switch
(SW101, PROTECT)
Terminator switch
(SW206, TERMINATOR)
Output type selector
(SW205, OUTPUT TYPE)
Alarm mode selector 2
(SW204, ALM2)
Alarm mode selector 1
(SW203, ALM1)
Function selector
(SW201, FUNCTION)
Input type selector
(SW202 or 207)
Output Selector (SW204, OUTPUT)
OFF ON
PULSE CURRENT
Output Setting (factory-set to OFF)
Current ON
Pulse OFF

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Input Type Selector
Thermocouple Selector (SW202, INPUT)
This selector selects the temperature sensor to be used. It is facto -
ry-set
to position 2 to designate a K-type (chromel-alumel thermo -
couple)
temperature sensor . The following table lists the other pos -
sible
settings for temperature sensors. Refer to temperature range
charts under Ordering Information for further information.
The scale displayed (°C or °F) is selected by the function selector
(SW201).
0
5
1
6
2
73
8
4
9
Switch Temperature T emperature range
setting sensor code °C°F
0R 0 to 1,700 0 to 3,000
1S 0 to 1,700 0 to 3,000
2K –200 to 1,300 –300 to 2,300
3J –100 to 850 –100 to 1,500
4T –200 to 400 –300 to 700
5E 0 to 600 0 to 1,100
6B 100 to 1,800 300 to 3,200
7N 0 to 1,300 0 to 2,300
8L –100 to 850 –100 to 1,500
9U –200 to 400 –300 to 700
Platinum Resistance Thermometer Selector
(SW207, INPUT)
This selector is factory-set to OFF to designate a JPt100-type tem -
perature sensor. The settings and applicable ranges are shown
in
the following table.
OFF ON
Switch Temperature T emperature range
setting sensor code °C°F
OFF JPt100 –99.9 to 450.0 –99.9 to 800.0
ON Pt100 –99.9 to 450.0 –99.9 to 800.0
Note: JPt100:100°C/139.16Ω
PT100: 100°C/138.50Ω

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Function Selector (SW201, FUNCTION)
The DIP switch sets the operating parameters listed in the following
table. All pins are factory-set to OFF .
ON1 3456782
Controllers with Memory Banks
Function Pin
number Pin setting Setting
Control mode 1 ON ON/OFF operation
OFF Feed-forward PID
operation
Control output 2 ON Normal (cooling)
OFF Reverse (heating)
Input shift 3 ON Enabled
(see Note 2) OFF Disabled
SP (set point) 4 ON Enabled
protection cancel OFF Disabled
Scale 5 ON °F
OFF °C
PID display 6 ON Enabled
OFF Disabled
Bank No. 7 ON T erminal input
selection OFF Key input
Not used. 8 Leave turned OFF .
Note: 1. The set temperature value can be changed regardless
of the position of the key protection switch (SW101,
PROTECT)
when pin 4 is set to the ON position.
2. The input shift function will be disabled regardless of the
pin position when an input shift value of 0 is set.
Controllers with Communications Capability
Function Pin
number Pin setting Setting
Control mode 1 ON ON/OFF operation
OFF Feed-forward PID
operation
Control output 2 ON Normal (cooling)
OFF Reverse (heating)
Input shift 3 ON Enabled
OFF Disabled
SP (set point) 4 ON Enabled
protection cancel OFF Disabled
Scale 5 ON °F
OFF °C
PID display 6 ON Enabled
OFF Disabled
Not used. 7 Leave turned OFF .
Loop back test 8 ON Test
OFF Normal
Note: 1. The set temperature value can be changed regardless
of the position of the key protection switch (SW101,
PROTECT)
when pin 4 is set to the ON position.
2. The input shift function will be disabled regardless of the
pin position when an input shift value of 0 is set.

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Alarm Mode Selectors (SW203: ALM1; SW204: ALM2)
Alarm mode selectors are provided on all T emperature Controllers. Alarm modes, listed in the following table, can be selected using this switch.
The switch is factory-set to position 2, i.e., the upper-limit alarm mode.
Switch Mode Alarm output Setting range
setting Alarm operation Display When X is positive When X is negative
0 No alarm No display OFF ---
1Upper- and lower-limit
alarm )--( XX --- Thermocouple:
0 ° to 9,999 °C/°F
Platinum
resistance thermometer:
0° to 999.9 °C/°F
2 Upper-limit alarm
---( X X
Thermocouple: –999 ° to
9,999°C/°F
3 Lower-limit alarm
)--- X X
Platinum resistance thermome -
ter: –99.9 ° to 999.9 °C/°F
4Upper- and lower-limit
range
alarm
-()- XX ---
Thermocouple: 0 ° to 9,999 °C/°F
5Upper- and lower-limit
range alarm with
standby
sequence
3--e XX --- Platinum
resistance thermometer:
0° to 999.9 °C/°F
6 Upper-limit alarm with
standby sequence
---e X X
Thermocouple: –999 ° to
9,999°C/°F
7 Lower-limit alarm with
standby sequence
3--- X X
Platinum resistance thermome -
ter: –99.9 ° to 999.9 °C/°F
8 Absolute-value upper-
limit alarm
1--( X
0°C/°F
X
0°C/°F
9 Absolute-value lower-
limit alarm
)--1 X
0°C/°F
X
0°C/°F
Key Protection Switch (SW101, PROTECT)
The key protection switch is factory-set to the OFF position. When the key protection switch is ON, the Level Key , Up and Down Keys, and
Auto-tuning Key cannot be operated. In ef fect, the E5EX is write-protected and the set values (such as the alarm value) can be only read out.
However, when pin 4 of the function selector (SW201, FUNCTION) is set to the ON position (i.e., SP (set point) protection is cancelled), only the
set temperature value can be changed.
Terminator Switch (SW206, TERMINATOR)
The terminator switches of all the T emperature Controllers on a network must be set to the OFF position, except the terminator switch of the
Temperature Controller working as the end unit (i.e. the T emperature Controller farthest from the host computer on a network). The terminator
switch is factory-set to the OFF position.
Note: If the terminator is not designated correctly , the total current consumption will increase and communications errors could result.
Inputting Parameters
The T emperature Controller has three display levels 0, 1, and 2, in which only specific parameters can be set. Level 0 is the initial level and is
automatically entered at power application. T o change the mode to set or change a dif ferent group of parameters, hold down the Level Key for 2
seconds minimum. The display level mode changes as shown below . Actual displays vary with models and switch settings. If a display does not
appear as expected, check your switch settings.
––––––– ––––––– –––––––
Level 0
Power ON
Level 1 Level 2
Press the Level Key. Press the Level Key. Press the Level Key.
Process value, bank no.,
alarm settings, input shift,
proportional band, integral
time, derivative time
Upper-/lower-limits of set -
ting range, control period,
hysteresis, heater current,
heater burnout current
Control output value,
bank copy, sensor type
display
, alarm mode dis -
play 1 and 2, unit no.,
baud rate

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Level 0
In this level, parameters such as the alarm setting, input shift values
can be set or changed. When these parameters are being set or
changed,
the new values are displayed on the SV display . The pa -
rameter to be set or changed is selected by pressing the Display
Key
the required number of times.
Process temperature
0(Temperature setting)
PV
SV
Press aCommunications
Models with heater burnout alarm
8 memory banks
Models without heater
burnout alarm
(Bank number)
Press a
(Note 1)
Alarm
(Note 1)
Alarm 1
(Note 1)
Alarm 2
Press a
(Note 2)
Input shift value
Press a
(Note 3)
Proportional band
Press a
(Note 3)
Integral time
Press a
(Note 3)
Derivative time
Press a
bk
0
al-1
0
al-2
0
al
0
in-s
0.0
p
40.0
i
240
d
60
Press a
Note: 1. Displayed only when the alarm function is selected.
2. Displayed only when the input shift display function is
selected.
3. Displayed
only when the PID constant display function
is selected.
Process V alue
While the process temperature is displayed, the desired tempera-
ture
can be set with Up and Down Keys. The value is factory-set to
0°C/°F.
Bank No.: bk
When “ bk ” is displayed on the PV display , the memory bank num -
ber
can be set with Up and Down Keys. The memory bank number is
factory-set to 0. This means the E5AX-BA/E5EX-BA operates with
the values set in memory bank 0 if the memory bank number is not
reset before use.
Alarm 1, 2: al-1 , al-2
Alarm: al
When
“ al ” is displayed on the PV display , the alarm value for alarm
output can be set on the SV display with Up and Down Keys. Usual -
ly,
the alarm value is set as a deviation from the main setting, but it
can also be set as an absolute value when the absolute value alarm
mode is selected. The message is not displayed if the alarm mode
selector is set to position 0. The value is factory-set to 0 °C/°F.
Input Shift: in-s
When “in-s ” is displayed on the PV display, the input shift value
can
be set on the SV display with Up and Down Keys. When a plati -
num resistance thermometer is used, the range is from –99.9°to
999.9°C/°F in units of 0.1°C/°F. If the displayed temperature does
not
need to be shifted, set 0 °C/°F . This function is used to shift the
temperature display form the measured value by a desired value, as
shown by the examples in the following table:
Input shift value Temperature
measured by sensor
Displayed
temperature
0 (without shift) 100°C 100°C
10 (of fset by 10 °C) 100°C110°C
–10 (of fset by –10 °C) 100°C 90°C
Proportional Band: p
When
the character “ p ” is displayed on the PV display , the propor -
tional band (P constant) can be changed using the Up and Down
Keys.
The new value will be displayed on the SV display . It can be
set in a range from 0.1 ° to 999.9 °C/° F in units of 0.1 °C/°F . The value
is factory-set to 40 °C/°F.
Integral T ime : i
When
the character “ i ” is displayed on the PV display , the integral
time (I constant) can be changed using the Up and Down Keys. It
can
be set in a range from 0 to 3,999 seconds in units of 1 second.
The value is factory-set to 240 seconds.
Derivative T ime : d
When
the character “ d ” is displayed on the PV display , the deriva -
tive
time (D constant) can be changed using the Up and Down Keys.
It can be set in a range from 0 to 3,999 seconds in units of 1 second.
The value is factory-set to 60 seconds.
Memory Bank Function
The E5AX-BA/E5EX-BA has 8 memory banks (memory bank 0
through 7) where parameters such as main setting, alarm values,
PID constants, and input shift values can be preset. By switching
from a memory bank to another, different parameters can be se-
lected
at a time with ease.
Memory Configuration of the E5AX-BA/E5EX-BA
Memory Bank 0 to 7
The following parameters are set separately for each bank.
Main setting, alarms 1 and 2, input shift, proportional band, integral
time, derivative time, and hysteresis.
Common Data
The same values are used for the following parameters, regardless
of the bank setting. Upper-/lower-limit values of the setting range,
and
control period.
Bank Number Display
The selected memory bank number is displayed on the bank num -
ber
display and the control operation is ef fected according to the pa -
rameters
preset in the selected memory bank.