Riken Keiki OX-591 Page 11 Operating Instructions Manual Download | Manualshive

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10

３－５．Block diagram

Detector head (Sensor)

Amp part

Control part

Display part

（ＰＷ／ＴＲ）(ＳＫＩＰ)（ＡＬ１）（ＡＬ２）

Operation part

（ＭＯＤＥ）（ＵＰ）（ＤＯＷＮ）（ＳＥＴ）

POWER INPUT

(DC24V)

Power supply part

Gas alarm contact（ＡＬ１、ＡＬ２）
Trouble alarm contact

(ＴＲＯＵＢＬＥ)

※Standard setting

・Non-exciting
（Non-exciting at normal）
・a-contact
(Contact closes at alarm)

Alarm contact control part

4-20mA

transmission

Transmission part

OX-591

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Summary of Contents for OX-591

Page 1: ...PT1E 0899 FOR USERS OPERATING INSTRUCTION MANUAL FOR INDICATOR ALARM UNIT OX 591 ...

Page 2: ... procedure １１４３ Installation place １２４４ Caution in the system engineering １３４５ Grounding １５４６ Wiring １６５ OPERATION METHOD ５１ Preparation for start up １７５２ Basic performance flow １７５３ Start up procedure ５３１ Power on １８５４ Explanation of performance Detection mode ５４１ Display action １９５４２ External output action ２０５５ Maintenance and adjustment ５５１ Maintenance mode ２１５５２ A...

Page 3: ...３ Replacing the parts ３０７４ Measures when operation is stopped or installation place is moved ７４１ Stopping the normal operation ３０７４２ Changing the installation place ３０７５ Storage or measures when the unit is not in use for a long time ３０８ SCRAP THE PRODUCT ３０９ MAEASURES AT AN ABNORMAL CASE ９１ Trouble alarm ３１９２ Responding to trouble alarm ３１９３ Before it is thought to be a trouble ３１...

Page 4: ...Detection range Action 1st alarm 2nd Alarm Prevention of oxygen deficiency 0 25vol Lo LoLo alarm Lo Lo General detection Including oxygen leakage 0 5vol 0 10vol 0 25vol Hi HiHi alarm Hi Hi Lo Hi alarm Lo Hi 0 50vol Lo LoLo alarm Lo Lo Take care that an alarm action and a relay output are different from application for use This operating instruction manual describes on the application for preventio...

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Page 7: ...peration When operate it not to follow this manual repair it by other rating parts or modify it on his own the safety and quality of products can not be secured Then when an accident take place by it we cannot assure our responsibility on them Take enough consideration for instrumentation to keep safety even if disconnection of power and signal lines defect of operation or trouble would be happen ...

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Page 11: ...ＡＬ１ＡＬ２ Operation part ＭＯＤＥＵＰＤＯＷＮＳＥＴ POWER INPUT DC24V Power supply part Gas alarm contact ＡＬ１ＡＬ２ Trouble alarm contact ＴＲＯＵＢＬＥ Standard setting Non exciting Non exciting at normal a contact Contact closes at alarm Alarm contact control part 4 20mA transmission Transmission part OX 591 ...

Page 12: ...ngagement lever at down position mount into the case Confirm that the edge connector is put in firmly Confirm that the disengagement lever is turned upward when indicator alarm unit is mounted into the case firmly After confirmation of lever position put ON the power switch and then close the cover 2 Removal of the unit Open the front cover of this unit Confirm that the power switch is at OFF Push...

Page 13: ...intenance regularly Then do not install at the place where there is danger at maintenance time When required to stop the system at maintenance time unable to maintain if not remove a part of system or unable to detach the case due to the pipe or rack etc do not install such place Be sure to ground when installing to the equipment Do not install at places where direct sun drought or where the tempe...

Page 14: ...ase that cable connecting instrument is broken It is impossible to prevent the generation of lightning If the cable should put in metal tube or laid in the underground it is impossible to prevent the inductive lightning surge generating from the thunder Lightning measures There is not the complete countermeasure for it but the following method can be considered Make the suitable treatment accordin...

Page 15: ...s described by the conditions of resistive load When use the inductive load for alarm contacts the very high reverse electromotive voltage may be generated and the following trouble tends to be produced Contact part of relay is melted adhesively and the contacts can not be activated High voltage is put inside of indicator alarm unit and then electrical parts may be damaged As it is big noise the t...

Page 16: ...to keep stable operation of this unit Do not connect earth wire with gas pipe Make grounding corresponding to D class grounding Grounding resistance below 100ohms CAUTION The inductive load shall not be used in principle Do not use fluorescent lamp When use the inductive load make the contact amplification outside but the outside relay coil belong use the relay driven by the low voltage within AC1...

Page 17: ...tact output AL2 2nd alarm contact output 4 20mA output GND 24V CVVS 1 25sq 2c 3 4 5 6 CAUTION Use CVVS 1 25sq cable for the connection of detector head Do not distribute power cable and signal cable together with power line for motor etc This unit applies a connector type terminal plate for easy wiring Be care not to give a high load to the connector We can not warrant the performance of this unit...

Page 18: ...uring adjustments Even relay contact works treat that any influence will not be given to the outer 5 To prevent fire check that the designated fuse is used ５２ Basic performance flow In normal operation it is used on detection mode Power on Stand by Initial clear approx 25sec Detection mode Alarm test mode SET switch Press for about 3 sec ＭＯＤＥ switch Press for about 3 sec Maintenance mode Span adj...

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Page 28: ...s concentration When exceeds detection range Over range LED shows Power light PW Green It keeps steady light Alarm light AL1 Amber AL2 Red There are two alarm levels When reading reaches each preset alarm level or exceeds each preset alarm level this starts flashing and then returns to continuous lighting after reset operation Standard 2 External output ４２０mA output Electric current proportional ...

Page 29: ...ctor After checking that there is no danger actions for gas leak shall be taken ６２３ Alarm other than gas detection t may respond to interference gas For interference gases contact the nearest agent or RIKEN KEIKI t may be caused by drifting due to the change of long time elapsed sensor Check the reading by daily check and make calibration through authorized service agent whenever necessary t may...

Page 30: ...nt in maintenance mode at detector head side Alarm test Check that the alarm light flashes and buzzer sounds ７１２ Regular maintenance check The following items shall be checked at regular check Daily check Cleaning of this unit Adjustments Function check Parts replacement Others ７２ Maintenance contract for regular check To maintain the safety operation of the unit it is recommended to keep the m...

Page 31: ...rmal temperature and humidity away from direct sunlight In a place where gases solvents or vapors are not present ８ SCRAP OF PRODUCT AND SENSOR Scrap of products Regarding indicator alarm unit and detector head complete treat it in the same as industrial scrap Non flammable goods CAUTION For replacement of sensors and parts etc contact our service agent or RIKEN KEIKI CAUTION When move its install...

Page 32: ...r head Re check the detection system and contact our nearest agent or RIKEN KEIKI There is the case of electrical line trouble such as shut off of power This will be treated by the re check of stand by battery electrical line filter insulation transformer etc or those addition ９４ Trouble shooting 1 PW TR light does not illuminate Cause and action Is it OK with power cable connection Connect power...

Page 33: ...ction of sensor cable Check whether sensor is connected or the sensor cable connector is connected to the sensor If can not be recovered contact our nearest agent or RIKEN KEIKI 5 Fuse disconnection Performance This unit can not work Cause and action The trouble of this unit or trouble of external power source can be considered Search this cause and after taking its measures replace the fuse with ...

Page 34: ... the output of signal showing the maintenance mode condition is displayed on the external output signal By this the maintenance is carried out independently on this unit Press MODE switch for 3 seconds and the maintenance mode starts nitial clear The reading will be unstable for a few seconds after power on In this moment to prevent the error of running the alarm contact shall be cut off Then sign...

Page 35: ...t normal non exciting at alarm Transmission scheme Analog transmission Specification of transmission DC4 20mA non isolated load resistance less than 300Ω Gas detector head signal Direct signal from the sensor Cable between detector CVVS worth of shield cable 2 core Distance between detector Max 600m with CVVS 1 25mm2 cable Various functions Alarm delay Suppression Peak hold Alarm trend history Pow...

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