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OPERATING INSTRUCTION MANUAL
INDICATOR/ALARM UNIT RM-592
• Request for the Customers
•
Read and understand this operating manual before using the detector.
•
You must operate the detector in accordance with the operating manual.
•
Regardless of warranty period, we shall not make any compensation for accidents and damage
caused by using this product.
The compensation shall be made only under the warranty policy of products or parts
replacement.
•
Because this is a safety unit, a regular maintenance for every six months and daily
maintenance must be performed.
•
If you find abnormalities in the detector, please notify them to our local representative
immediately.
FOR
PT1E-0971
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Related Manuals for Riken Keiki RM-592
Summary of Contents for Riken Keiki RM-592
- Page 1 PT1E-0971 OPERATING INSTRUCTION MANUAL FOR INDICATOR/ALARM UNIT RM-592 • Request for the Customers • Read and understand this operating manual before using the detector. • You must operate the detector in accordance with the operating manual. • Regardless of warranty period, we shall not make any compensation for accidents and damage caused by using this product. The compensation shall be made only under the warranty policy of products or parts replacement. • Because this is a safety unit, a regular maintenance for every six months and daily ...
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Page 2: Table Of Contents
INDEX １．PRODUCT OUTLINE １−１． In the beginning ……………………………………………… 3 １−２． Application for use …………………………………………… 3 １−３． Identification of each caution marks ………………………… 3 ２．IMPORTANT INSTRUCTION FOR THE SAFETY ２−１． Danger items………………………………………………… 4 ２−２． Warning items………………………………………………… 4 ２−３． Caution items………………………………………………… 5 ３．PRODUCT FUNCTION ３−１． External drawing……………………………………………… 6 ３−２． Appearance…………………………………………………… 6 ３−３． Panel cut-out dimensions…………………………………… 7 ３−４． Name of each part and function……………………………… 8 ３−５． Block diagram………………………………………………… 9 ... - Page 3 ６．KINDS OF ALARM AND ITS PERFORMANCE ６−１． Kinds of alarm………………………………………………… 26 ６−２． Gas alarm ６−２−１． Gas alarm action…………………………………… 26 ６−２−２． Counteraction at gas alarm………………………… 27 ６−２−３． Alarm other than gas detection…………………… 27 ７．MAINTENANCE CHECK ７−１． Frequency of maintenance and check items ７−１−１． Daily check…………………………………………・ 28 ７−１−２． Regular maintenance check………………………… 28 ７−２． Maintenance contract for regular check……………………… 28 ７−３． Replacement of parts ………………………………………… 29 ７−４． Measure when operation is stopped or installation place is moved. ７−４−１． Stopping the normal operation……………………… 29 ７−４−２． Changing the installation place……………………… 29 ７−５． ...
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Page 4: １．Product Outline
１．PRODUCT OUTLINE １−１．In the beginning First of all, we wish to express our heartfelt thanks for your purchase of our indicator/alarm unit RM-592. This instruction manual is just a guide book to operate indicator/alarm unit RM-592 of RM-590 series. Your kind reading of this manual is requested not only for first user but for already experienced staff. １−２．Application for use ○ This is an exclusive indicator/alarm unit for 4-20mA outputs type instrument and mainly used as gas alarm system in combination with gas detector head to indicate detected gas concentration for environmental control. １−３．Identification of each caution marks Indicates an imminently hazardous situation which, if not avoided, will result in death or DANGER serious injury. This signal word is to be limited to the most extreme situation. Indicates a potentially hazardous situation which, if not avoided, could result in death WARNING or serious injury. ... -
Page 5: ２．Important Instruction For The Safety
２．IMPORTANT INSTRUCTION FOR THE SAFETY ２−１．Danger items DANGER This is not explosion proof unit. Do not use it at hazardous area. It is danger to use this unit under such environment. ２−２．Warning items WARNING ・ Power source Before supplying the power, confirm that the power source is a designated voltage. ・ Necessity of protective grounding Do not cut inside or outside wire for earth, nor disconnect the wire from earth terminal. In any case, the unit becomes dangerous conditions. ... -
Page 6: ２−３．Caution Items
２−３．Caution items CAUTION ・.Do not use walky-talky, mobile phone, etc. near this unit. When this unit receives the electric waves by walky-talky etc near from the cable, this will effect the reading. When use the walky-talky, operate it at the place where there is no influence of electric wave ejection. ・ When make power on again, make it after an interval of over 5 seconds. When make power on within 5 seconds, there may be no normal operation. ... -
Page 8: ３−３．Panel Cut-Out Dimensions
３−３．Panel cut-out dimensions Dimensions with single case 1. Mounting for 2 steps in vertical and N lines in horizontal ＋０．６ （３６×N−３） ０ 2. Mounting for 1 step in vertical and N lines in horizontal ... -
Page 9: ３−４．Name Of Each Part And Function
３−４．Name of each part and function *The below pictures show indicator/alarm unit with single case. ③ ① ⑥ ④ ⑤ ⑦ ⑩ ⑧ ⑨ ⑪ ② ①LED display・・・・・・・・・・・・・・・・・・・・・・・・ Indicates gas concentration. ②POWER switch・・・・・・・・・・・・・・・・・・・・・ ON/OFF switch ③Terminal plates・・・・・・・・・・・・・・・・・・・・・ Connects cables from outside. For multi-unit case refer to instruction manual for multi-unit case. ④PW/TR light・・・・・・・・・・・・・・・・・・・・・・・ Combination light for power and trouble indication. Steady light : Power ON, normal operation Flashing : Trouble ⑤AL1 light・・・・・・・・・・・・・・・・・・・・・・・・・ Flashes at gas alarm (1st alarm) ⑥AL2 light・・・・・・・・・・・・・・・・・・・・・・・・・ Flashes at gas alarm (2nd alarm) Alarm lights change continuous lighting after RESET operation. ⑦SKIP light・・・・・・・・・・・・・・・・・・・・・・・・ Flashes during maintenance mode. ⑧MODE switch・・・・・・・・・・・・・・・・・・・・・ Uses at maintenance work. ⑨UP/DOWN switch・・・・・・・・・・・・・・・・・ Uses to select items at maintenance mode, increase or decrease reading at ... -
Page 10: ３−５．Block Diagram
３−５．Block diagram ＲＭ−５９２ Display part （ＰＷ／ＴＲ） (ＳＫＩＰ) （ＡＬ１） （ＡＬ２） Power supply part Operation part POWER INPUT （ＭＯＤＥ） （ＵＰ） （ＤＯＷＮ） （ＳＥＴ） (DC24V) Control part Alarm contact control part Gas alarm contact（ＡＬ１、ＡＬ２） Trouble alarm contact ... -
Page 11: ４．How To Use
４．HOW TO USE ４−１．Before operation Be sure to keep caution items of use not only for first user but for already experienced staff. If not keep these caution items, the unit may be defective and correct gas detection may not be performed. ４−２．Mounting/dismounting procedures Indicator/alarm unit for RM-590 series shall be used after housing it in either exclusive single case or multi-unit case. (1)Mounting method ・Open the front cover of this unit. ・Confirm that the power switch is at OFF. ・With the disengagement 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. ... -
Page 12: ４−３．Installation Place
４−３．Installation place CAUTION Do not install at places where direct sun drought or where the temperature is drastically changed. Keep away the system from direct sun drought or where the temperature of the system is drastically changed. If installed, inside the unit will be built up condensation and does not follow the drastic temperature change. ... -
Page 13: ４−４．Caution In The System Engineering
４−４．Caution in the system engineering CAUTION Unstable power and noise may cause error of performance and alarm. For the system to use this unit, it is required to make design based on this manual descriptions. （１） Stable power used While the system gets stable at power on or instantaneous power failure, the external output and alarm contact may be on and the care for it must be taken. In such case, use the standby battery or take an appropriate action in the receiver side. Supply the following power to this unit Power voltage DC２４V±１０％ Approx 50msec. Power failure （For power failure of 50msec, it re-starts） tolerance time To warrant the continuous operation, install the UPS (Uninterrupted Power Supply) or standby battery outside. Do not share the power involving with high power load and high frequency noise. ... - Page 14 SK contact Ｖ Ｖ Power supply Power supply Relay (Low voltage relay) ＲＭ−５９２ −How to think alarm contacts against inductive load− The spec for alarm contact of RM-592 is described by the conditions of resistance 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 work. ・High voltage is put inside of indicator/alarm unit and then, electrical parts may be damaged. ・As it is big noise, the trouble action may be taken by the reckless drive of CPU. ・Irrespective of inductive load, there is the possibility of unforeseeable noise instruction for contact. Above trouble may be generated. 13 ...
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Page 15: ４−５．Grounding
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 AC100V) and it is protected by an appropriate surge killer. * As the inductive load, there are following samples. ・Revolving light * External relay * Buzzer * Siren * Fan * Fluorescent lamp *Motor etc. ... -
Page 16: ４−６．Wiring
４−６．Wiring (In case of single case) ① 24V (+) ＴＤ１ ② DC24V±10％ ③ GND (-) ④ Note 1 ③ 4-20mA output ３ ① CVVS 1.25mm2, 2-core ④ instrument ４ ②... -
Page 17: ５．Operation Method
５．OPERATION METHOD ５−１．Start-up ● B efore turning on the power…………… Before turning on the power ON, keep following caution items. If not, danger for electric shock or damage to the unit will be happen. （１）Make grounding. （２）Check that wirings with outer units are made correctly. （３）Check that the supply voltage is within a rating. （４）Relay contact for outer alarm be activated during 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. ５−２．Basic performance flow In normal operation, it is used on detection mode. Stand-by Power on Initial clear (approx. 25sec.) ... -
Page 18: ５−３．Start-Up Method
５−３．Start-up method ５−３−１．Power on Cover Power switch 1) Before making power on, check that the unit is connected correctly. 2) The power switch can be seen when the front cover is opened. 3) Put the power switch upward to ON and downward to OFF. 4) Put the power switch on, and power light illuminates. 5) Status of initial clear (about 25 sec.) is displayed as “- - - - “. ・ Checking of the system (Self-diagnosis) ・ Output signal: Approx 2.5mA ・ Gas alarm, trouble alarm (light, contact) shut-off. 17 ... -
Page 19: ５−４． Explanation Of Performance (Detection Mode) ５−４−１． Display Action
５−４．Explanation of performance (Detection mode) ５−４−１．Display action There are following two kinds of displays. (1)LED display ：Shows gas concentrations. (2)LED light ：Shows power/trouble (PW/TR), 1st gas alarm (AL1), 2nd gas alarm (AL2) and maintenance (SKIP) condition. * Contents of indications by LED display and LED light are different from the condition of the unit. Action of LED light Preparation □：Light off ■：Light on ◎：Flashing ... - Page 20 The right 「 -0.00 」 is displayed when zero level gets down to minus (-) side at above 10% full scale. PW/TR AL2 ■ □ SKIP AL1 □ □ WARNING When ...
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Page 26: ５−６．How To Finish Operation
５−６．How to finish operation When finish this operation, turn off power switch of this unit and turn off the main power (DC24V). WARNING ・When finish this operation, do it after making point skip with the upper system (Centralized system). ・When finish this operation, check the external output and function of outer equipment to be connected with external alarm contact. Then, judge whether power can be shut off or not. When alarm relay contact is energized(option), it is activated when make power (DC24V) off. 25 ... -
Page 27: ６．Kinds Of Alarm And Its Performance
６．KINDS OF ALARM AND PERFORMANCE ６−１．Kinds of alarm There are two kinds of alarms such as gas alarm and trouble alarm. ・Gas alarm：When detection gas reaches preset alarm level or exceeds it, this starts alarm. 《Latched mode→Self reset after reset operation.》 ＊ NOTE Alarm levels are adjusted at 1/3 (1st alarm) and 2/3 (2nd alarm) of full scale. To prevent wrong operation, this unit provides alarm delayed circuit for 2 seconds. ・Trouble alarm：Abnormal condition in this unit is detected and gives a trouble alarm. Except system trouble 「E-00」, it is non-latched mode. When return to normal from trouble condition, it starts again from the action of initial clear after power on see section 「9. TREATMENT AT ABNORMAL CASE」. ６−２．Gas alarm ６−２−１．Gas alarm action (1)Display ①Gas concentration When exceeds detection range (Over scale), LED shows “∩∩∩∩”. ②Power light (Power：Green) It keeps steady light. ③Alarm light （AL1：Orange）, （AL2：Red） There are two alarm levels. ... -
Page 28: ６−２−２．Counteraction At Gas Alarm
６−２−２．Counteraction at gas alarm The counteraction at gas alarm shall follow to the client rule and immediate reaction shall be required. Generally, the following action is taken. ①Confirmation of indication value. ＊ NOTE Instantaneous gas leak may get lower at confirmation time. Except gas alarm, it gets alarm condition temporarily by noise or any other accidental conditions. ②Based on gas alarm control concentration, it keeps the safety by keeping away people from the monitoring area. ③When gas concentration display is continued, close the gas valve and confirm that gas concentration gets lower enough. ④Suppose that the leak gas is to remain and provide yourself with protection attire and tool away from danger, go to the leak site and check the gas residual condition by portable gas detector. ⑤After checking that there is no danger, the treatment for gas leak shall be taken. ６−２−３．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 be caused by the noise generated from spherical machine Revision of installation location, wirings and the addition etc. of noise measure parts between instrument and detector shall be required. This specific measures shall differ from the condition of each site. It may receive a temporarily noise such as by thunder lightning etc. ... -
Page 29: ７．Maintenance Check
７．MAINTENANCE CHECK This is an important for security and safety. To maintain the security and enhance the reliability of safety, the reliability of safety, the regular maintenance check for it shall be absolutely necessary. ７−１．Frequency of maintenance and check items ７−１−１．Daily check This is the check items carried out by customer. ① Check of PW/TR light. In normal operation, the light is at on condition. ② Check of LED reading Check that LED reading is zero (0). If it is not “0”, check that gas is free around detector head and make zero adjustment at detector head side. ③ Alarm test Check that the alarm light flashes and buzzer sounds. CAUTION For the alarm test, refer to 「5-5-6 Alarm test」. ７−１−２．Regular maintenance check The following items shall be checked at regular check. ①Daily check ②Cleaning of this unit ③Adjustments ④Function check ... -
Page 30: ７−３．Replacement Of Parts
７−３．Replacement of parts CAUTION For replacement of sensors and parts etc, contact our service agent or RIKEN KEIKI. ７−４．Measure when operation is stopped or installation place is moved ７−４−１．Stopping the normal operation Turn off the power switch on the front panel. Turn off the power (DC24V) at the supply side. ７−４−２．Changing the installation place When move its place, refer to 「4-2. Installation place」 about its moving place. Then, for wiring refer to 「4-5. Caution at wiring」. CAUTION When move its installation place, be sure to make gas calibration. The re-adjustment work including gas calibration shall be requested to contact our service agent or RIKEN KEIKI. ７−５．Storage and treatment when not use for a long time. This model must be stored under the following environmental conditions. ・In a dark place under the normal temperature and humidity away from direct sunlight. ... -
Page 31: ９．Measures At An Abnormal Case
９．MEASURES AT AN ABNORMAL CASE ９−１．Trouble alarm Flashing of PW/TR light ・When PW/TR light is flashing, it is the condition that the following trouble may be caused. Research its cause and take an appropriate action. ・The output from the unit at trouble shall be as follows. 4〜20mA output : Fixed at 0.5mA Trouble alarm contact : Relay contact is activated. LED display Trouble content Main cause Ｅ−００ System trouble Memory trouble in the unit. Connection trouble of Detector head disconnection, sensor disconnection, sensor Ｅ−０１ detector head cable disconnection. Low sample flow Decrease of sample flow rate in detector head or block of Ｅ−０５ rate sample gas tubing. ９−２．Responding to trouble alarm When any trouble was found on this unit and detector head, contact our nearest agent or RIKEN KEIKI. ９−３．Before it is thought to be trouble It may be originated from disconnection and short circuit between units. ・Check the wirings including peripheral equipment as well as detector head. ... - Page 32 （３）PW/TR light flashing ① System trouble 「Ｅ−００」 ＜Cause and action＞ ・Memory trouble inside of indicator/alarm unit. Contact our nearest agent or RIKEN KEIKI. ② Connection trouble of detector head 「Ｅ−０１」 ＜Cause and action＞ ・Non-connection of sensor, contact failure of connector and disconnection 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. （４）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 the designated one. ＊NOTE The fuse rating for this unit is “250V/1A T”. 31 ...
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Page 33: １０．Definition Of Word
１０．DEFINITION OF WORD Calibration Find relationship of the readings, display values or set-points with the actual values by using the calibration gas. Maintenance mode When maintenance is performed on the detector, the alarm contact is disconnected, and a signal to indicate the maintenance mode status is sent out to the external output signal. As a result, maintenance can be performed on a single unit of the detector. Press MODE switch for 3 seconds, and the maintenance mode starts. nitial clear The reading is unstable for seconds after the power is turned on. To prevent malfunctions for that period, the alarm contact is deactivated. In addition, a signal to indicate the initial clear status is sent out to the external output. Alarm delay time A function which temporarily suspends activation to prevent a false alarm caused by noise from its outside. 32 ... -
Page 34: １１．Product Specifications
CVVS worth of shield cable・2-core Various functions Alarm delay/Peak hold/Alarm trend history Power supply DC24V±10% Power consumption MAX.5W(MAX.8VA by using Multi case) Initial clear Approx.25sec Operating temperature 0〜40℃(non-rapidly-vary) Operating humidity 10〜90%RH(non-condensing) Structure Housing type for the case front identification card type(put into Single case or Multi case) Outer dimension Approx.36(W)×72(H)×134(D)mm Weight Approx.0.10kg(unit only) １１−２．Product composition Standard compositions ・Indicator/alarm unit Model RM-592 ・Operating instruction manual…1 vol. ・Spare fuse…Depends on ordered quantity of the unit. 1〜10 units 1 pce 11〜20 units 2 pcs 21〜50 units 3 pcs 51 units and above 4 pcs 33 ...
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