background image

SLA-SERIES

Admittance Level Limit Switch

INSTRUCTION MANUAL

Version 2.1

Summary of Contents for SLA 122

Page 1: ...SLA SERIES Admittance Level Limit Switch INSTRUCTION MANUAL Version 2 1 ...

Page 2: ...cifications 6 8 Electronic Insert ICA 3000A 7 9 Probe 7 10 Installation and Handling Guidelines 8 11 Connection 8 12 Calibration 9 13 Calibration procedure For Fail Safe High 9 14 Calibration Procedure For Fail Safe Low 10 15 Customer Support 10 List of Figures 1 SLA 4 2 Description of Parts 4 3 System Diagram 5 List of Tables 1 Electrical Specifications 6 2 Mechanical Specifications 6 3 Electroni...

Page 3: ...l instrument housing in terms of dimensions color and design Please refer to GA drawings for dimensional details Values of performance described in this manual were obtained under ideal testing conditions Hence they may differ under industrial environment and settings General Instructions Instrument shouldn t block the material filling inlet Secure the cover of housing tightly Tighten the cable gl...

Page 4: ...rial When all the parameters that affect the admittance value are kept constant then its value changes only due to the difference in material level This change after amplification is used to operate a relay the output contacts of which are used for signaling or control 3 Measuring System The complete admittance system comprises of the fol lowing Probe of special construction immuno coat system Ele...

Page 5: ...e regulator os cillator probe immunizing circuitry set point adjusting capacitor relay driving circuitry fail safe selection LED Indicator and Relay In case of time delay model a separate timing mode selection switch and pot is provided for delay setting The electronics along with interconnecting terminals is assembled on a glass epoxy PCB heavily lacquered for rendering it immune to moisture dust...

Page 6: ...lectable Time Delay Setting 1 25 sec For Covered and Uncovered Both Table 1 Electrical Specifications 7 2 Mechanical Specifications Please refer to Table 2 for Mechanical Specifications PARAMETER VALUE Housing RB Cast Aluminium weather proof powder coated paint IP 65 SQP Cast Aluminium weather proof powder coated paint IP 65 Square Probe Mounted FP2A Cast Aluminium weather flame proof powder coate...

Page 7: ...ARAMETER VALUE Housing RB Cast Aluminium weather proof powder coated paint IP 65 SQP Cast Aluminium weather proof powder coated paint IP 65 Square Probe Mounted FP2A Cast Aluminium weather flame proof powder coated paint suitable for gas group IIA IIB as per IS 2148 SNSR Pressure Die Cast Aluminium weather proof IP 66 Cable Entry 1 2 3 4 BSP NPT Brass Cable Gland Type Single Double Compression Gla...

Page 8: ... temperature exceed ing 60 C Through the instrument can be installed outdoors it should never be subjected to direct sun rays Preferably a sun shade should be provided 11 Connection ELECTRONIC INSERT ICA 3000A Ordinary three core cable of core cross section 1 5mm2 re sistance per core less than 25 ohms can be used to connect the Electronic Insert to the Evaluation Unit since only DC proportional t...

Page 9: ...een LED does not go ON select next higher range i e range III LED would definitely go ON d Turn sensitivity pot anticlockwise until red LED goes ON Again turn sensitivity pot slowly clockwise until green LED just goes ON e From this accurate switch point position turn the pot a few degrees clockwise Green LED remains ON thereby setting the sensitivity to as table switching position f The instrumen...

Page 10: ...ptying cycle 15 Customer Support Thank you for going through the instructions given in this manual To further ease the process of installation and use we have developed special demo videos which are hosted on YouTube Sapcon s YouTube channel SAPCON INSTRUMENTS lists all these videos https goo gl dnxfcz Should you require further information regarding in stallation use or working of the instrument ...

Reviews: