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Simplicity on the Worksite

Solutions Guide for FAQs: E5

@

N

Setting Heater Burnout Alarms

5-1

Setting He

ater Burno

ut Alarm

s

Setting Heater Burnout Alarms

The procedure to output heater burnout alarms is given step by step in this section.
A heater burnout alarm operates by detecting the heater current with a current transformer (CT). If
the detected current is less than the specified heater burnout detection current even though the
control output is ON, a heater burnout will be assumed and an alarm will be output.

CT

SSR

Heater burnout alarm:

E5

@

N

Turns ON if the heater current is below the
set value of the heater burnout detection
current.

You can use only alarm 1 for the heater burnout alarm.
To output only the heater burnout alarm from auxiliary output 1, set the alarm type for alarm 1 to 0 (no
alarm).
If the alarm type is set to any other value, alarm 1 will turn ON both for the heater burnout alarm and a
temperature alarm.
You set this parameter in the Initial Setting Level. The parameter is set to 2 (Upper-limit Alarm) by default.

Confirm that the HB ON/OFF parameter in the Advanced Function Setting Level is set to ON (enabled).
The default setting is ON.

1

Set the Alarm 1 Type parameter to 0.

alt1

(ALT1): Indicates

←

the Alarm 1 parameter.

←

Default setting is 2
(Upper-limit Alarm).

Initial Setting Level

Change the set value to
0 with the (Up
and Down) Keys.

Initial Setting Level

2

Confirm that the heater burnout alarm is enabled.

hbu

(HBU): Indicates the

←

HB ON/OFF parameter.

←

Default setting is

on

(ON):

Enabled.

Advanced Function

Setting Level

If

off

(OFF) is displayed, press the (Up)

Key to change to

on

(ON) to enable the heater

burnout alarm.

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Содержание E5*N Series

Страница 1: ...Controllers Digital Temperature Controllers Basic Type E5 N Solutions Guide for FAQs Simplicity on the Worksite Basic Setup Procedure Operation 1 Setting the sensor type 2 Using ON OFF control 3 Using PID control Setting the set point 4 Setting temperature alarms 5 Setting heater burnout alarms Turn ON power Connect sensor and operating terminal START ...

Страница 2: ...ved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means mechanical electronic photocopying recording or otherwise without the prior written permission of OMRON No patent liability is assumed with respect to the use of the information contained herein Moreover because OMRON is constantly striving to improve its high quality products ...

Страница 3: ... C 7 2 J 20 0 to 400 0 C 8 3 200 to 400 C 9 4 T 199 9 to 400 0 C 10 17 E 200 to 600 C 11 5 L 100 to 850 C 12 6 200 to 400 C 13 7 U 199 9 to 400 0 C 14 18 N 200 to 1300 C 15 8 R 0 to 1700 C 16 9 S 0 to 1700 C 17 10 B 100 to 1800 C 18 11 W 0 to 2300 C 24 Not supported Thermocouples PLII 0 to 1300 C 25 Not supported When using the ES1B Infrared Temperature Sensor and an analog input refer to the E5CN...

Страница 4: ...e displayed to show that the Initial Setting Level has been entered Press the Key for at least 3 seconds Flashes 3 times 2 Set the parameter with the Keys If a sensor is not connected or if the setting of the Input Type parameter does not agree with the connected sensor s err S ERR Input Error will flash on the display when the power supply is turned ON If the sensor is not connected connect it no...

Страница 5: ...rmines when the output will turn ON again When the output turns OFF at the set point the temperature will increase You can set the temperature width that determines when the output will turn ON again 1 Select direct or reverse operation Set point ON OFF Temperature Output turns OFF if the temperature is greater than the set point Output turns ON if the temperature is lower than the set point Heati...

Страница 6: ...itial Setting Level in t IN T will be displayed to show that the Initial Setting Level has been entered Press the Key for at least 3 seconds Initial Setting Level Flashes 3 times 2 Change the parameter with the Key 3 If pid PID control is displayed press the Down Key to change to onof ONOF ON OFF control Turn ON the power supply 1 When finished press the Level Key for at least 1 second to return t...

Страница 7: ...than 1 second Operating Display Change the parameter with the Key 2 l adj L ADJ will be displayed to show that the Adjustment Level has been entered hys HYS Indicates the Hysteresis parameter Default setting is 1 0 1 0 C Press the Mode Key several times to display hys HYS Change the set value with the Up and Down Keys Set the parameter with the Keys 3 Adjustment Level Adjustment Level Adjustment L...

Страница 8: ...Simplicity on the Worksite Solutions Guide for FAQs E5 N Using ON OFF Control 2 4 Using ON OFF Control MEMO ...

Страница 9: ...ion Default The manipulated variable increases if the temperature is lower than the set point The manipulated variable decreases if the temperature is higher than the set point Set point 100 0 Temperature Manipulated variable Cooling Direct Operation The manipulated variable increases if the temperature is higher than the set point The manipulated variable decreases if the temperature is lower tha...

Страница 10: ...3 times 2 Change the parameter with the Key 3 Change the parameter with the Key 4 If onof ON OFF control is displayed press the Up Key to change to pid PID PID control off OFF on ON Self tuning disabled Use this setting to perform autotuning or to set the PID constants manually Self tuning enabled Use this setting to perform self tuning st ST Indicates the Self tuning parameter Default setting is ...

Страница 11: ...vel Key for at least 1 second to return to the operation display 2 Setting direct or reverse operation Press the Mode Key several times to display orev OREV orev OREV Indicates the Direct Reverse Operation parameter Default setting is or r OR R Direct operation Initial Setting Level Change the parameter with the Key 1 Change the set value with the Up and Down Keys or r OR R Reverse operation defau...

Страница 12: ...entered at AT Indicates the Autotuning parameter Default setting is off OFF Autotuning stopped off OFF at 2 At 2 at 1 At 1 Autotuning stopped default 100 autotuning executed Refer to page 3 6 at will stop flashing to indicate that autotuning is finished Use the Up and Down Keys to select at 2 AT 2 100 autotuning Press the Mode Key several times to display at AT Adjustment Level Adjustment Level Ad...

Страница 13: ...Indicates the Proportional Band parameter Default setting is 8 0 8 0 C Change the set value with the Up and Down Keys Change the parameter with the Key 3 i I Indicates the Integral Time parameter Default setting is 223 233 seconds Adjustment Level Change the set value with the Up and Down Keys Change the parameter with the Key 4 d D Indicates the Derivative Time parameter Default setting is 40 40 ...

Страница 14: ...manipulated variable of the limit cycle is used for autotuning Executing 40 autotuning may require more time than executing 100 autotuning AT 2 The limit cycle timing varies according to whether the deviation DV at the start of autotuning execution is less than 10 FS Reference Information PID Control Deviation 10 FS PV SP Limit Cycle MV Amplitude 40 Deviation 10 FS AT started AT ended Time Deviati...

Страница 15: ...erature sensor Select from the table on page 4 3 In what cases do you want to output an alarm 1 Outputting an alarm when the temperature exceeds a specific value Upper limit Alarm ON OFF Outputting an alarm when the temperature goes below a specific value Lower limit Alarm OFF ON Outputting an alarm when the temperature goes below a specific value or exceeds a specific value Lower limit Alarm OFF ...

Страница 16: ...ture Alarm output turns ON second time temperature goes below alarm point Alarm also required when power is turned ON Power ON Time Example Alarm point for lower limit alarm Lower limit alarm output Alarm output turns ON because temperature is below alarm point when power turns ON Temperature Standby Sequence No Standby Sequence Do you need an alarm when the power is turned ON 3 What Is a Standby ...

Страница 17: ...o page 4 6 for the procedure None 0 No alarm Set this alarm type when you do not need an alarm 1 Upper limit and Lower limit Alarm 2 Upper limit Alarm 3 Lower limit Alarm 4 Upper limit and Lower limit Range Alarm 5 Upper limit and Lower limit Alarm with Standby Sequence 6 Upper limit Alarm with Standby Sequence 7 Lower limit Alarm with Standby Sequence ON ON Temperature SP Lower limit value ON OFF...

Страница 18: ...parameters alt1 ALT1 alt2 ALT2 and alt3 ALT3 Refer to page 4 6 for the procedure 8 Absolute value Upper limit Alarm 9 Absolute value Lower limit Alarm 10 Absolute value Upper limit Alarm with Standby Sequence 11 Absolute value Lower limit Alarm with Standby Sequence Refer to the E5CN E5AN E5EN E5GN Digital Temperature Controllers User s Manual Basic Type Cat No H156 for information on alarm types ...

Страница 19: ...es Setting an Absolute value Upper limit Alarm Alarm Type 8 Setting an Absolute value Lower limit Alarm Alarm Type 9 Example Alarm Value 100 Example Alarm Value 100 There is no upper limit lower limit alarm that can be set with absolute values 2 Determining the Alarm Value Alarm value 20 C Set point 100 C Alarm ON 120 C or higher ON ON Alarm value 20 C Set point 100 C Alarm ON 80 C or lower ON Ala...

Страница 20: ...nd the Up and Down Keys to repeat steps 3 and 4 and set alarm type numbers for alt2 ALT2 Alarm 2 and alt3 ALT3 Alarm 3 The number of alarms that is supported depends on the model of Temperature Controller Some of the alarm parameters may not be displayed alt1 ALT1 Indicates the Alarm 1 parameter Default setting is 2 Upper limit Alarm Initial Setting Level in t IN T will be displayed to show that t...

Страница 21: ...ss the Level Key for at least 1 second The following procedure continues on from the procedure to set the Alarm Type parameter Initial Setting Level Start here if you just turned ON the power supply Setting Alarm Type 2 3 6 7 8 9 10 or 11 Upper limit Alarms and Lower limit Alarms Press the Mode Key several times to display al 1 AL 1 Press the Key for at least 1 second 1 Initial Setting Level Opera...

Страница 22: ...1 30 al1h AL1H Alarm ON ON SP Alarm lower limit 1 20 al1l AL1L SP Alarm ON ON Press the Mode Key several times to display al1l AL1L Alarm value 20 C example al1l AL1L Alarm lower limit 1 Change the set value with the Up and Down Keys Alarm ON ON SP Example Alarm Upper Limit 1 30 C Alarm Lower Limit 1 20 C Set the alarm value with the Keys 3 When finished press the Mode Key to return to the operati...

Страница 23: ...e Hysteresis 1 Note The same hysteresis is used for the upper and lower limits of an upper limit and lower limit alarm and an upper limit and lower limit range alarm 1 Determining the Alarm Hysteresis Deviation between ON and OFF Step 3 Additional Settings as Required Alarm ON 100 C or higher Alarm hysteresis 1 C If the temperature decreases the alarm output will turn OFF at 99 C ON Alarm hysteres...

Страница 24: ... to repeat steps 3 and 4 and set the hysteresis for alh2 ALH2 Alarm 2 Hysteresis and alh3 ALH3 Alarm 3 Hysteresis The number of alarms that is supported depends on the model of Temperature Controller Some of the alarm parameters may not be displayed alh1 ALH1 Indicates the Alarm 1 Hysteresis parameter Default setting is 0 2 C Initial Setting Level in t IN T will be displayed to show that the Initi...

Страница 25: ... c N C Open in Alarm If required use the Mode Key and the Up and Down Keys to repeat steps 2 and 3 and set Open in Alarm or Close in Alarm for sb2n SB2N Auxiliary Output 2 Open in Alarm and sb3n SB3N Auxiliary Output 3 Open in Alarm The number of auxiliary outputs that is supported depends on the model of Temperature Controller Some of the auxiliary output parameters may not be displayed sb1n SB1N...

Страница 26: ...and the Up and Down Keys to repeat steps 2 and 3 and set ON OFF for a2lt A2LT Alarm 2 Latch and a3lt A3LT Alarm 3 Latch The number of alarms that is supported depends on the model of Temperature Controller Some of the alarm parameters may not be displayed a1lt A1LT Indicates the Alarm 1 Latch parameter Default setting is off OFF Advanced Function Setting Level init INIT will be displayed to show t...

Страница 27: ...ode Key and the Up and Down Keys to repeat steps 2 and 3 and set the ON OFF delays for a2on A2ON Alarm 2 ON Delay a3on A3ON Alarm 3 ON Delay a1of A1OF Alarm 1 OFF Delay a2of A2OF Alarm 2 OFF Delay and a3of A3OF Alarm 3 OFF Delay The number of alarms that is supported depends on the model of Temperature Controller Some of the alarm parameters may not be displayed a1on A1ON Indicates the Alarm 1 ON ...

Страница 28: ...Simplicity on the Worksite Solutions Guide for FAQs E5 N Setting Temperature Alarms 4 14 Setting Temperature Alarms Alarm Parameter Setting Levels ...

Страница 29: ... heater burnout alarm from auxiliary output 1 set the alarm type for alarm 1 to 0 no alarm If the alarm type is set to any other value alarm 1 will turn ON both for the heater burnout alarm and a temperature alarm You set this parameter in the Initial Setting Level The parameter is set to 2 Upper limit Alarm by default Confirm that the HB ON OFF parameter in the Advanced Function Setting Level is ...

Страница 30: ...rrent Heater burnout current 2 Example Using Three 200 V 1 kW Heaters Connected in Parallel Here the normal heater current is 15 A and the heater current for a burnout is 10 A Heater burnout detection current Normal current 15 A Heater burnout current 2 25A 2 25 A 2 12 5 A Normal Operation Heater Burnout 3 Set the heater current to treat as a heater burnout hb1 HB1 Indicates the Heater Burnout Det...

Страница 31: ...MEMO ...

Страница 32: ...U S A Tel 1 847 843 7900 Fax 1 847 843 7787 Regional Headquarters OMRON EUROPE B V Wegalaan 67 69 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 Contact www ia omron com Tokyo JAPAN OMRON ASIA PACIFIC PTE LTD No 438A Alexandra Road 05 05 08 Lobby 2 Alexandra Technopark Singapore 119967 Tel 65 6835 3011 Fax 65 6835 2711 OMRON CHINA CO LTD Room 2211 Bank of China Tower 200 Y...

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