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7.3.9 Power voltage insufficiency

If the power supply voltage is decreased to 18 VDC, then

⊙

detector will be stop.

⊙

all alarm contact output will be off.

⊙

transmitter output does not tout (0 mA)

⊙

You supply normal power again, then the instrument is operated normally after sensor stabilization

time.

7.3.10 Trouble alarm operating state

During the normal state, trouble alarm state and normal state again, lamp, contact and buzzer of alarm

state is like below

But, fail contact is generated from the common alarm unit only.

AL2 SET POINT

AL1 SET POINT

NORMAL

TROUBLE STATUS

NORMAL

TROUBLE LAMP

TROUBLE RELAY

BUZZER

BUZZER STOP

RESET

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Содержание GM-1000

Страница 1: ...Bar Graph Indicator GM 1000 VER 3 2 06 01 Instruction Manual WISE CONTROL GED http www wisegas com www DataSheet4U com ...

Страница 2: ...lti unit case wiring 9 6 4 The connection with a common alarm unit 10 6 5 The select of sensor and signal source 11 6 6 Alarm output 13 6 7 Connection of retransmittion signal 13 6 8 Earth 13 7 Operation 14 7 1 Names and functions 14 7 2 Names for the multi unit case 14 7 3 Operation mode 15 8 Others 19 8 1 Surge protect 19 8 2 Toxic protect 19 1 Important Remarks IMPORTANT www DataSheet4U com ...

Страница 3: ... made of them WARNING Do not open the transmitter enclosure with power applied unless it is verified that no combustible gases or vapors are present A portable gas detection instrument should be used to ensure that the area is clear of any combustible gases Calibration or maintenance should not be performed if there is any indication of the presence of combustible gas at the sensor It is possible ...

Страница 4: ...be leak gas like industrial areas gas charging sites petrochemical plants chemical plants etc And it can protect industrial calamity by detecting gas leakage and notifying in advance Then it can be applied to detector of combustible gases methane ethane LPG LNG etc and toxic gases It may be used with common alarm unit AM 2000 Technical part of Instrument composition repair method other common alar...

Страница 5: ...144 mm front DIN standard You can select between multi case and single case Long sensor lifetime GM 1000 is a digital gas leakage indicator with microprocessor application circuit It is upgraded product compare with before product easiness of reading indication value and alarm state confidence easiness of using GM 1000 is installed at the place using gases by raw materials supplying gases or the p...

Страница 6: ...Output Rating Trouble Two High High High 0 to F S programmable 3 SPDT AC 250V 3A N O or N C L LL available 2 step Contact capacity Retransmission DC 4 20mA Linear Max 600Ω load impedance Power 20 30 VDC max 0 3A mounting Panel flush mounting Operating condition 20 to 50 to 122 ºF Dimension 36 W 144 H 180 D Weight 670 g Installation method Single rack Multi unit rack www DataSheet4U com ...

Страница 7: ...it makes induction interference and it would be an indication error and unstableness of indication 5 1 2 Installation method 1 You may make a panel cut of 34 137 mm If you install above two instruments you may keep the distance between panel cuts Refer to fig 3 1 2 You may insert an instrument to panel cut You may insert a panel for separation of instruments 3 You may insert a mounting bracket at ...

Страница 8: ...ument power and a power line operation power of heater magnet S W 6 2 Single case wiring Fig 6 1 shows the function of terminal board at backside when an instrument is used for single case TERMINATION Non Transmitter type Sensor type CASE1 4 wire type sensor CASE2 3 wire type sensor Transmitter type CASE3 Transmitter type 3 wire CASE4 Transmitter type 2 wire www DataSheet4U com ...

Страница 9: ...nstrument is used for multi case TERMINATION Non Transmitter type Sensor type CASE1 4 wire type sensor CASE2 3 wire type sensor Transmitter type CASE3 Transmitter type 3 wire CASE4 Transmitter type 2 wire Fig 6 2 The wiring method of GM 1000 single case and the wiring diagram www DataSheet4U com ...

Страница 10: ...a instrument is used for multi case you do not need to wire Notice When you connect a ribbon cable you may off the power of instrument If you put on off the cable when the power is loaded then the electronic circuit can be destroyed Indicator GM 1000 Alarm unit AM 2000 Fig 6 3 Connection with a common alarm unit Individual Power S W www DataSheet4U com ...

Страница 11: ...on alarm unit on the very left side of instrument array due to distinguish the position of alarm unit 5 You may connect a sensor to the terminal of instrument in case of Non transmitter type sensor operation power red connect to terminal 3 sensor operation power black connect to terminal 4 sensor signal white connect to terminal 5 sensor signal green connect to terminal 6 6 When you extend a lead ...

Страница 12: ...4 20mA output type gas leakage transmitter the power for operation of transmitter is supplied through the current limit circuit in a detector Max 30 mA 2 You may select the jumper of input select to transmitter connection Refer to Fig 4 4 3 Connection of signal line Transmitter signal connect to terminal 3 Transmitter signal connect to terminal 4 6 5 4 Local detector 3 wire transmitter type combus...

Страница 13: ...output 1 connect to terminal 16 NO NORMAL OPEN of alarm output 1 connect to terminal 13 NC NORMAL CLOSE of alarm output 1 connect to terminal 14 6 6 3 Failure alarm output You might select output NC and NO by jumper on the back PCB because the terminal of fail alarm output is only two 6 7 Connection of retransmittion signal transmitter output terminal 7 transmitter output Terminal 8 6 8 Earth You ...

Страница 14: ... VR Detector type 3 4 wire sensor input 4 POWER LED It shows POWER ON 13 FLAT RIBBON CABLE Connect between back T B and main board 5 FAIL LED It shows input signal sensor mA trouble 14 MICRO PROCESSOR Act by program 6 AL2 LED HIGH HIGH ALARM 15 FUSE HOLDER Rated FUSE is 1A 250V 7 AL1 LED HIGH ALARM 16 INPUT SELECTOR JUMPER Select jumper depend on input 8 LOCK SCREW Fix of instrument 17 INPUT SELEC...

Страница 15: ...et point LED for alarm state is changed from flickering to on state and contact output is off 4 An instrument generates transmitter output of measuring value with the range 4 20 mA For initial stabilization time a detector makes 2 mA transmitter output When a fail signal is generated a detector makes 2 mA transmitter output When a transmitter input is below 2 mA a detector makes fail signal 7 3 3 ...

Страница 16: ...SPAN 7 3 4 Alarm setting 1 After you open a front door you set AL1 High alarm set point by AL1 VR AL1 is indicated as a LED with orange color When the high alarm is generated then the indication value of gas concentration is changed to orange color 2 After you open a front door you set AL2 H High alarm set point by AL2 VR AL2 is indicated as a LED with red color When the H high alarm is generated ...

Страница 17: ...is generated 7 3 8 Fuse disconnection alarm 1 During operation a inner fuse is disconnected by trouble of instrument or over load of suction pump then fail alarm contact is generated and common alarm unit AM 2000 makes fail LED alarm sound and fail alarm contact 2 Fuse replacement method You may off the power S W at the back of alarm unit After you check out the reason of fuse disconnection you ma...

Страница 18: ... then the instrument is operated normally after sensor stabilization time 7 3 10 Trouble alarm operating state During the normal state trouble alarm state and normal state again lamp contact and buzzer of alarm state is like below But fail contact is generated from the common alarm unit only AL2 SET POINT AL1 SET POINT NORMAL TROUBLE STATUS NORMAL TROUBLE LAMP TROUBLE RELAY BUZZER BUZZER STOP RESE...

Страница 19: ...perty of catalyst of catalytic gas sensor is deteriorated by silicon H2S Cl2 and HMDS Hexamethyl disiloxane gas and the lifetime of sensor is decreased If you have to measure a gas leakage in this environment then you may use the toxic protected sensor In order to improve the product the above statements can be modified without a previous notice WISECONTROL INC SYSTEM ENGINEERING GED JAN 2006 VERS...

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