Tender For supply installation testing and commissioning of 03 nos. centrally-locally operable, lan/gsm/ wifi /radio based single phase brushless motorized air raid siren system at iit kharagpur.
Tender For supply of equipment for electrical and electronics engineering department - supply of equipment for electrical and electronics engineering department:, plc with digital & analog i/o moduleinbuilt power supplyadditional voltage sources 12v,5v8 digital inputs with indication led s6 digital outputs with indication led s2 analog inputs with inbuilt ldr potentiometer2 analog outputs with inbuilt dc motor speed controlpower on/off indication led sinbuilt push button:3 inbuilt latch switch:2inbuilt toggle switch:2inbuilt buzzerusb port for programmingconnecting cableswooden enclosure, interfacing of discrete field devices with plc kitsequence of operation:develop ladder logic in plc to execute the following logical relation between the input and output field devices.y= a+b+c+dy= a.b.c.dy=(a+b).(c+d)y= (a.b)+(c.d)interface specifications:plc input interfacing push button(a)limit switch (b)reed switch (c )3wire inductive proximity sensor (d)plc output interfacing buzzer (y)wooden enclosure, plc based water level control systemsequence of operation:develop and execute ladder logic in plc to fill the empty tank with liquid when the start button is pressed. when liquid reaches the high level, turn off the pump motor and turn on the solenoid valve to drain the liquid from tank. when liquid reaches the low level, turn off the solenoid valve and turn on the pump motor for refilling. interface external pilot lamp with plc to indicate the operation of pump motor and solenoid valve.interface specifications:level sensors as input to the plcwater tap as output from the plcwater pump motor control using outputs of the plcwater tank with sump2levels sensor switchespumps for filling tanksolenoid valve to drain water.12v and 24v power supply unitssteel enclosure, plc based forward and reverse control of induction motor kit. sequence of operation:develop and execute ladder logic in plc to control three phase induction motor in forward and reverse direction of rotation. interface external pilot lamp with plc to indicate the direction of rotation. check the output by interfacing plc with three phase cage induction motor.interface specifications:3 phase main contactors.3 phase input, fusesstop, start forward, start reverseforward, reverse indication lamp.proper terminal for 3 hp cage motorsteel enclosure, plc based conveyor system with prewarning siren kit sequence of operation:develop and execute ladder logic in plc using an on delay timer to delay the start of a conveyor. while press the start button, activate the warning siren for pre-set time. after the pre-set time delay the warning siren turns stop button is pressed turns off the conveyor.interface specifications:conveyor setupplc input interface start, stop push switches.plc output interfacing siren output to give alarm.plc output interfacing conveyor belt with geared dc motor drivessteel enclosure, plc based counting of moving objects on a conveyor kit sequence of operation:develop and execute ladder logic in plc for counting the object moving in the conveyor. interface manual start and stop push button to operate the conveyor motor and proximity sensor detect the object. interface buzzer to give beep sound while sensor is detecting the product. when the pre-set value of count has reached turn off the conveyor automatically.plc based counting of moving objects on two conveyors kit. sequence of operation:a manufacturing plant is arranged with two feeder conveyors for transferring the objects into the plant. develop and execute ladder logic using math instruction in plc to get the total number of objects transferred by two conveyors into the plant. when the total object count has reached pre-set count value, turns on buzzer to give beep sound for 1 second and turns off the conveyors.interface specifications:conveyor setupplc input interfacing proximity sensor with each conveyor to sense the object.plc input interfacing start push switch and stop push switchesplc output buzzer output to give ala
Tender For supply of plc lab items - furnitures items, plc based dol starter, interfacing of discrete field devices with plc, plc based star delta starter, plc based forward and reverse control of induction motor*, plc based conveyor system with pre warning siren, plc based counting of moving objects on a conveyor, plc based water level control system , plc based counting of moving objects on two conveyors, plc based car parking control sysyem*, plc based fan control for energy conservation, plc based three floor lift control system, plc based illumination control system.
Tender For corrigendum : supply of procurement of sound powered telephone system and public address system with talk back for vc11205 d d - nwt flush type console mounting telephone along with 2m cable with handset , nwt bulkhead mounting cabin type telephone with handset , nwt relay box , nwt audio device electronic siren , wt bulkhead mounting type telephone with handset , wt headset for wt bulkhead mounting telephone , wt relay box with integral audio-visual device , wt 7-way junction box , installation and commissioning material including anti vibration mounts, cable connectors, fasteners, directory plates etc. , manufacturers recommended on board spares , drawings and documentation , training as per tts , service support for stw, commissioning, trials hats. , main unit public address with talk back and loud hailer, ip23 with sre , flush mounted remote controller on bridge console, ip23 , gooseneck type microphone , headset with microphone for main unit, ip23 , 4w, nwt speakers, ip23 , 10w, horn speaker, ip44 , 10w, horn speaker, ip56 , flasher, ip44 , junction box, ip44 , talk back station, wt, ip 44 , talk back station, wt, ip 56 , talk back station, nwt, ip 23 for switchboard and mcr , weatherproof headset with microphone for ip44 talk back stations , weatherproof headset with microphone for ip56 talk back stations , headset with microphone for ip23 talk back station for switchboard and mcr , 10w, horn speaker for talk back stations, ip44 , 10w, horn speaker talk back stations, ip56 , 10w, horn speaker for talk back station, ip23 for switchboard and mcr , 30w, horn speaker for loud hailer on bridge top, ip67 , installation and commissioning material including anti vibration mounts, cable connectors, fasteners, directory plates etc , manufacturers recommended on board spares , training as per tts , service support for stw, commissioning, trials hats. ) /bid number : gem/2025/b/6628481 * /dated: 30-08-2025 & & / bid document 1 / 33
Tender For providing of customized annual maintenance contract/cmc for pre-owned products - comprehensive annual maintenance contract of differential sound siren system and mass alert system; comprehensive annual maintenance contract of differential sound siren system and mass alert system; comprehensive maintenance contract (cmc); quarterly; y..
Tender For mlas special development fund 2022-23 purchase at nochad family centre - maruti suzuki eeco care, variant ambulance shell, vehicle should be aircontioned,stretcher assembly ,petrol engine,disk break(front),dual airbag,reverse parking sensor system,revolving roof lamb, oxygen cylinder clamb,public addressing system,external warranty,gps mandatory, fastag,t p charge, siren, should be deliver at kozhikode,service centre should be available at kozhikode