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Содержание GasVac LG-1

Страница 1: ...S TECHNOLOGIES LTD FUSION POINT ASH LANE GARFORTH LEEDS LS25 2GA UK www gds technologies co uk This document is not contractual and the equipment specification may be modified at any time without prio...

Страница 2: ...9 LOCAL AND REMOTE RELAYS 9 MODBUS SET UP AND INDICATORS 10 REPEATER 11 RS232 DATA LOG OUTPUT 11 EVENT LOG 12 DATA TO AND FROM A PC USING GDS TERMINAL 12 SETTING THE TIME TO ALARM 14 SETTING ALARM LEV...

Страница 3: ...s to the PC Using simple text files these can be edited and sent back to the panel In addition to 8 gasses an optional cabinet flammable only gas is monitored in the panel and will cause power shutdow...

Страница 4: ...tional 64 relays Common Low alarm relay DPCO or Group 1 Common High alarm relay DPCO or Group 2 Common Over Range alarm relay SPCO or Group 3 Fault relay SPCO or Group 4 OPT G5 LTEL STEL relay SPCO or...

Страница 5: ...specific sensor if it is in alarm Pressing button 4 will stop the cycle on the current sensor for 999 seconds If a new alarm occurs the display will show this sensor The type of gas and the text asso...

Страница 6: ...button again Button 4 is the button Pressing this allows the display to hold the automatic sequence of sensors being displayed for 999 seconds When in engineer s mode it is used to increment parameter...

Страница 7: ...assword cannot be changed System Menu Index See Appendix 1 for further details Note The items that appear in the user menu can be selected from the Engineer s menu by toggling the 4 button A symbol wi...

Страница 8: ...the system back to normal TESTING THE LEDS 7 AND RELAYS 8 To test all LED s and beep the buzzer use menu number 7 and press SELECT 3 to make all LED s illuminate in dimmed mode to see if they are fun...

Страница 9: ...il mist B2H6 32 Diborane 0 1ppm SiH4 33 Silane 0 5ppm Ph3b 34 Phosphine 0 1ppm F2 35 Flourine 0 5ppm NF3 36 Nitrogen Triflouride 0 50ppm LEL M 37 LEL per metre 0 5 SW Input 38 Switch input 0 100 Displ...

Страница 10: ...essor board will sound By pressing the ACCEPT button 1 on the front panel the buzzer will become silent FLOW FAIL AND PUMP FAIL The pressure of the pump s in the sample system are monitored and a loss...

Страница 11: ...baud rate expressed in bits per second is set using menu 34 All communicating devices in a Modbus system should be set to the same baud rate and the system is capable of supporting 19200 9600 and 4800...

Страница 12: ...5 buttons to choose a free address that the repeater will use as its own address Note this has to be different from that of the main panel which defaults to address 201 Press SELECT 3 Set FROM ADDRESS...

Страница 13: ...ext data file from a PC using the RS232 interface via GDS Terminal which can be downloaded from the GDS website The file which is sent is simple alphanumeric characters which can be edited using a sim...

Страница 14: ...ts 10 times the actual value this is to avoid decimal points in the data LoAlarm 1 200 Ditto for sensor 1 low alarm point OrAlarm 3 998 Ditto for sensor 3 over range alarm X This terminates the text t...

Страница 15: ...ent on sensors Should a sensor cell require to be replaced the sensor should have its power removed before changing the cell itself Flammable Catalytic and Toxic cells have colour coded wiring which i...

Страница 16: ...n the main PCB will be activated according to the voting set up and de activated when the condition has subsided and after the relay off timer has expired Using UP 1 and DOWN 5 to select the group the...

Страница 17: ...ing group becomes a TWA Time Weighted Average group and the normal voting function is suppressed DEFAULTING THE PANEL Individual sections of the panel can be defaulted rather than restoring all the de...

Страница 18: ...area only Positioning of the instruments should be chosen with regard to the following points Away from sources of local heat with room for adequate ventilation Within easy reach and audible distance...

Страница 19: ...the catch pot for high levels of particulate or excessive water contamination On sites involving a high risk process of having gases which may cause loss of sensitivity a check on calibration should...

Страница 20: ...exit this menu 6 Edit Company Text Edit Fault Input Text The fourth line of the LED display alternates between time and company text This text can be edited to show the site or installer details 7 La...

Страница 21: ...LCD indicates whether inhibited or not and the UP 1 and DOWN 5 buttons change the channel Note that only channels with active sensors can be inhibited Pressing SELECT 3 or timeout will move to the sec...

Страница 22: ...be redirected to 7 relays on the 8 way relay card The fault relay 4 always remains as Fault but the remaining relays are assigned as remote relays 123 5678 respectively This feature eliminates the nee...

Страница 23: ...anged to a new value using the 4 and 2 button but only if an address link has been inserted This link should be removed afterwards Note If more than 1 device has a link inserted then all these will ha...

Страница 24: ...from this menu you will be prompted to enter a new code twice via the buttons Pressing SELECT 3 will exit this menu Note The user password cannot be changed 31 Set Modbus Baud This menu allows you to...

Страница 25: ...use pump room etc G1 LeL x16 Direct Gas type unlatchedAlarm 1 x16 Direct alarms latchedalarm or unlatchedalarm unlatchedAlarm 1 x64 Addressable alarms latchedalarm or unlatchedalarm LoDirAlarm 1 200 x...

Страница 26: ...t relay patterns x64 As above but for CAN Fault relay patterns h01 0000000000000000 h02 0000000000000000 gfedcba987654321 CAN Low Alarm relay patterns x64 As above but for CAN Low Alarm relay patterns...

Страница 27: ...han 182 Sensor fail timeout 17 32 channel 1 alarm bit 0 is chan 17 etc Can Chan 183 Sensor fail timeout 33 48 channel 1 alarm bit 0 is chan 33 etc Can Chan 184 Sensor fail timeout 49 64 channel 1 alar...

Страница 28: ...y D type plugs into the PC COM port and the pre wired sensor connector is inserted into J3 on the Combi Flam PCB 198 Issue P and J3 on the Combi Tox PCB 204 Issue N When Hyper terminal on the PC set a...

Страница 29: ...28 Front Panel PCB...

Страница 30: ...esent I shows that this sensor has its alarms inhibited under the O H L the v represent the direction of the alarms L is falling and H and O are rising A under the letter s OHLDFI represents a detecte...

Страница 31: ...t to decrease to achieve a zero reading on the display A timer is displayed on the LCD and when this reaches 0 the next menu is displayed This timer is 15 seconds approximately and is reset back each...

Страница 32: ...ess A to change the address of this sensor if required d Press N to select the number of decimal places to 1 or 2 ie dp 1 or dp 2 e With no gas applied and 4mV measured at test pins TP8 TP9 press Z to...

Страница 33: ...t turns it off With no magnets present the display will return to normal after a few seconds timeout The right magnet allows the CAN address of the sensor to be changed WHEN the ADDRESS menu is displa...

Страница 34: ...justed by the DPM Z potentiometer zero CALIBRATION With the digital meter connected to the test pins TP1 and TP2 and a reading of 4mV clean air apply test gas and wait until a maximum reading is obtai...

Страница 35: ...4 CAN Address 245 1 2 3 4 CAN Address 249 1 2 3 4 CAN Address 253 1 2 3 4 1 2 3 4 CAN Address 246 1 2 3 4 CAN Address 250 1 2 3 4 CAN Address 254 1 2 3 4 1 2 3 4 CAN Address 247 1 2 3 4 RELAYS 57 64...

Страница 36: ...e PTFE Couplings In Out push fit barbed Fixing 4 3 5 Dimensions 123L 54W 80H Weight 320 gms Mounting Position The pump sensor unit should be mounted at chest height with the sample line travelling to...

Страница 37: ...P1 CA Flow Oxygen 4 Cab Gas Monitor Flam 5 P1 Flow Block 13 8 way relay PCB 14 5A Power Supply Din Rail 18 0 2 5 L min Flow Gouge 19 Flow Regulator 22 Toggle Switch 31 Water Trap Catch Pot 52 TEE Tube...

Страница 38: ...Trap 3 10 0096 1447 R4 S8 25 Combi Panel Shield 1 13 0030 1603 R4 S4 26 Combi 80 Label 1 12 0032 977 R24 S3 27 Bulkhead fitting 2 10 0055 196 R3 S5 28 Wall Mount Bracket 1 11 0015 765 R4 S7 29 M4 Plas...

Страница 39: ...0 2 Ltr min Pump Line Blockage and Pump Fail Monitor Test Gas Point 0 5 1 Ltr min Flame Arrester Flame Arrester 24A 23 19 51 24B 24C 5 18 22 52 31 Catch pot 1 2 For vacuum or atmospheric sampling do...

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Страница 44: ...hnologies co uk Phone 44 0 113 286 0166 E sales gds technologies co uk T 0113 286 0166 F 0113 287 8178 GDS TECHNOLOGIES LTD FUSION POINT ASH LANE GARFORTH LEEDS LS25 2GA UK www gds technologies co uk...

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