User`s Manual - Squibb Taylor
Contents
1. o 3 o m1 u gt 00 0 elele eee gt KE 7 Lo Pa oo gt 3090006 G10 FN 3 id 0 o Ue U5 666666 0 6 s o pe ofRi3 o zo 2 2 R ojo RCo 0 o Y elrialo La CD CDc Ojo R7 do o a Hae 05 9 o Rg po o o of ki te s Ojo R3 pe o Q es Ojo R6 aio o ojo R4 o e o wee 9 o or Feo fe pb K1 BT1 o ojo 9 FJ A Q Figure 3B Micro Desion n 10210 Monroe Dr Dallas TX 75229 LE CPO S 2 C Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 11 For Domestic and Industrial tanks b Connection Detail for Rochester Remote Sender The Rochester Remote gage 2 parts 1 e the plastic Direct Read dial Face and the Sensor Element that snaps into the Dial Refer to Figures 4A 4B and 4C below for details on connecting this sensor to the STM ql ut og 7 r Shane aih E F h E E h ne LL JL ir ee i i E TB1 Figure 4A Micro Desi n Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 12 For Domestic and Industrial tanks il ee n o oloocooo o p O E a E E o e cococscaarni 7 9 3 o A 0 0 0 0 50000000 el ac eed o Jo 3 RN2 a99 to vprsito el jo 9 lt O 0 o 01R7 Yo 0 o o 05 aj8jo o o R8 fe oj fo o mi O jo o 0R3 j o o o lt lOlo jo o R5 Ao jo 06 Ojo o o Ra to o o oo fe Te y4 229 of e o 0 K1 BT12. Internet Home page www micro design com i aT OO iii _ll A Micro Desi n Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 4 For Domestic and Industrial tanks Table of Contents PP O seas EA E 5 OCU OV CVC Wy crap cs yn cca oe o OO UI A eet E 6 H ECOS aii 6 yy AT RE ore 7 3 Analog Outputs arras pat 8 4 Connection Details consista ia eii 9 a Jumper settings for using MDi Sensors PN 944417 or PN 944418 0 oocccoooooooccccccnnnnonononoconncnnnnnonnnnns 10 b Connection Detail for Rochester Remote Sender ccooccnncccnoccnnccnnoccnoccnnncnnorcnnncnnnccnnoconaronorcnnncanarcnancnns 11 5 48 VDC Power Source Connection Detalils ooocccooccnnnccnnncccnnnccnnnccnnnccnnnoccnnorcnnnrcnnnccnanosos 14 PC Connections using RS232 Serial Interface ococccccccccccnnocooooonooononccnnnnnonononononononononnnnnannnnnnnnnnnnnos 15 a RS232 serial port 1 connection and operation DEV port occcccnnncooonncnnnnnnnnonnnonnnnnnnnnnnnonanacnnnnnnnnnnnnnnos 15 b RS232 serial port 2 connection and operation COM poOTt coooooonnncnnncncnnnnnnnoncnnnnnnnnnnnnnonnnonnnnonononnnanenoss 17 Programming Low and High Set Points ooooooonnnncccccncnonnnnnononononononononnncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnos 19 Hardware Installation suministrada 20 Monitor mounting dimensions oooocccnnnnnnnnn
3. Class 1 Div 2 groups C amp D Note Typical use of this monitor would be in conjunction with senders installed in Domestic tanks of less than 1000 lbs water capacity It can be used tanks at residential commercial and industrial locations where LPG is dispensed from the tank at 15 feet away in all directions from the tank Micro Desi n Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 23 For Domestic and Industrial tanks Sender Specifications Mdi part no 94417 Resistance range 0 1000 Ohms Operating Voltage range 0 24 Volts DC max Power rating 0 125 Watts Operating temperature 40 to 70 C 40 to 158 F Enclosure Sealed Lexan top and bottom Ultrasonically welded Electrical specification When used with STM PN s 94440 94441 94442 94442A 944450 and 944452 Class 1 Div 2 groups C amp D When used with STM PN s 944443 and 94501 installed with Intrinsically Safe Barriers STAHL 9001 02 093 150 00 or equivalent Class 1 Div 1 groups C amp D OOO O E iia OO A E A Micro Design Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 24 For Domestic and Industrial tanks Most frequently asked questions and answers Q amp A 1 Unit is installed but will not show anything on the display a Check power Make sure that Power 10 24 VDC is
4. Level Figure 3 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks 4 Connection Details Figure 3A below shows details on connecting power MDi sensor and analog output connections to the STM This is a picture of the label on front of STM Enclosure VIN 1O0 24vDC0 AC TRANSFORMER GNL bC GND AG TRANSFORMER WEA 54 ANALOG OUTPUT TANK 1 GND Analog Dutput 1 GNO VDAZ Q S ANALOG OUTPUT TANK 2 GND Anglag Qutput 2 GND INT SENSOR POWER TANK 1 VIN SENSOR POWER TANK 2 GND1 MODI SENSOR 944417 BLACK TIR MDi SENSOR 944417 WHITE GAD MOI SENSOR 3944417 BLACK oN MOT SENSOR 844417 WHITE VOUTT AUKILARY POWER VOUTS AURILARY POWER TWO CONDUCTOR STRANDED SHIEDIED CABLE 19 22 Aha Mi F De i i In 10210 Monroe Dr Dallas TX 75229 cro S 2 C Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 10 For Domestic and Industrial tanks a Jumper settings for using MDi Sensors PN 944417 or PN 944418 Channel 1 Channel 2 White TB1 Top Level 6 TB1 Bottom Level 6 Black TB1 Top Level 5 TB1 Bottom Level 5 The STM is shipped with factory default configured for operation with MDi sensors However the settings can be changed verified using a PC connection via a serial port refer to PC Connections using RS232 Serial Interface below
5. i ro o BAT K2 NN 2 6 le S aa o No Jumper Figure 4B Micro Desiomn In 10210 Monroe Dr Dallas TX 75229 LE CPO S 2 C Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks Top Level Bottom Level 20 VDC 0 5VDC Output VDA1 0 5VDC Output VDA2 Auxiliary Power CH1 qa Sensor Input CH1 Sensor Power CH1 Sensor Input CH2 Sensor Power CH ie LL id T E EL gt 5 E T Figure 4C TB1 Connect Rochester Sender cable as follows Channel 1 Red TB1 Top Level 7 White TB1 Top Level 6 Black TB1 Top Level 5 O l A OO u ell A Channel 2 TB1 Bottom Level 7 TB1 Bottom Level 6 TB1 Bottom Level 5 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 13 LPG Stationary Tank Monitor PN 94442A 14 For Domestic and Industrial tanks 5 48 VDC Power Source Connection Details For locations that have 48 Volts DC power source the units needs to be isolated so that the correct DC voltages are applied to power the unit and the sensor Connect the 48 VDC supply as shown in picture below 48 VDC 48 VDC 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 15 For Domestic and Industrial tanks PC Connections using RS232 Se
6. LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks User s Manual REV 1 2 This Manual belongs to Company 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 2 For Domestic and Industrial tanks Proprietary Notice This document and its contents are proprietary to Micro Design Inc and shall not be reproduced copied or used in whole or in part without the written consent of an officer of Micro Design Inc This document is for information purposes only and is subject to change without notice Thank You Micro Design Inc thanks you for purchasing this product and hopes that it can fulfill all your needs now and in the future 10210 Monroe Dr Dallas TX 75229 gt 35 icro Dest n Inc Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks Revision History Version Page Date Reason 1 0 10 18 2004 Initial Release 1 1 01 14 2006 Added multiple sender setting details and updated Serial menu 1 2 02 28 06 Added 48 VDC connection details Please Note Micro Design Inc encourages and appreciates customer feedback regarding errors or improvements for this document If you have any questions regarding this manual or this product please call or write to the following Please respond to Micro Design Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724
7. ank 2 Sensor Type 0 MDi Sensor 1 0 5 VDC and2 4 20mA __ _ _ E A BS ME Micro Design Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks RS232 Serial Port 2 COM port HyperTerminal Screen Shot comi_ 9600 HyperTerminal File Edit View Call Transfer Help Pilar el 5 2095 308040500000 Connected 0 00 22 Auto detect 9600 5 M 1 SCROLL CAPS NLM Capture Print echo 2 Figure 6 S a M Cr anD Ion In 10210 Monroe Dr Dallas TX 75229 _ Cro est C Tel 972 488 8725 Fax 972 488 8724 18 LPG Stationary Tank Monitor PN 94442A 19 For Domestic and Industrial tanks Programming Low and High Set Points There are 5 pushbuttons on the main board that are used to program the set points Four pushbuttons are blue and are marked SW1 SW2 SW3 and SW4 form left to right The fifth pushbutton is red and is marked SW5 and is used to change the direction of the Set Point count when being programmed by the other pushbuttons as described below Only one set point must be modified at a time 1 e pressing SW1 SW4 at the same time may result in error Refer to figure 8 below for details a Programming Tank Low Set Point This set point is programmed by pressing the blue push button marked SW1 The low Set point for L1 will either increase of decrease Set it to the desired value and the u
8. connected to TB1 VIN and Power to TB1 GND If 120 VAC transformer is used make sure Wire marked 12VDC is connected to TB1 VIN and the other wire is connected to TB1 GND b Make sure that the sender is properly connected to TB1 SN1 and TB1 GND1 for sensor 1 and TB1 SN2 and TB1 GND2 for sensor number 2 c Check and verify that the control board inside the controller 1s not damaged or scratched 2 Unit will not trip on a low level condition a Check and make sure that the Low Level Alarm Set Point is set correctly Refer to Set Point Programming section in this manual 10210 Monroe Dr Dallas TX 75229 4 icro Desi n Inc Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks Notes 10210 Monroe Dr Dallas TX 75229 M icro Dest n Inc Tel 972 488 8725 Fax 972 488 8724 25
9. e cable between the sender and the monitor Any 2 conductor shielded 16 to 22 awg mult strand multi conductor cable can be used for this purpose NOTE if this cable is not installed in a conduit then be sure to select a good outside grade cable that can be used for direct burial if necessary Apply power to the unit and make sure that the monitor is displaying the correct LPG level observed at the tank 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks Monitor mounting dimensions icro Desi n Figure 7 Inc Enclosure Mounting Dimensions a i 6 18 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 21 LPG Stationary Tank Monitor PN 94442A 22 For Domestic and Industrial tanks Monitor Specifications Power A C Transformer Input Output Output Current Monitor Input Power Monitor Current Consumption Sender Output Maximum output voltage to sender Maximum output current to sender Alarm Relay specifications 2 Form C contacts rated at Analog output Volts Output current Enclosure 120VAC 12 Volts DC 0 2 Amps 10 24 Volts DC 0 25 Amps max 5 Volts DC 10 mA 5 Amps each 0 5 Volts DC 20 mA max NEMA 4x sealed weather proof designed for indoor or outdoor use Monitor operating temperature Monitor electrical rating 10 to 150 F
10. lace where the monitor is to be installed Drill four holes according to the dimensions shown in figure 7 Remove the lid of the monitor undo 4 corner screws Mount the monitor using the appropriate screws to fit through the feed through holes on the four corners Temporarily connect the two sender wires directly to the monitor TB1 GND1 and TBI SN1 It does not matter which sender wire is connected to which TB3 terminal refer to fig 1 Connect Relay contacts and Analog outputs as desired Refer to figure 3 for connection details Connect power to the monitor either using the supplied 120 VAC transformer or a 10 24 VDC power source supplied by the user Refer to figure 1 for connection details APPLY POWER TO THE MONITOR The sender level can be changed manually by holding a small magnet at the bottom of the sender and rotating 1s clockwise or counter clockwise such that the orange pointer in the sender follows the magnet Observe the appropriate Level reading on the LCD display L1 or L2 It should follow the LPG level indicated by the orange pointer Set the Low and High set points using the 5 pushbuttons as described in set point programming section above When the level on the sensor is blow the low set point or above the high set point the corresponding alarm relay will activate and the offending set point will blink on the display Disconnect power to the unit and the LPG sender Install sender on the LPG tank Install and connect th
11. nit will automatically save it The increase decrease direction can be changed by pressing SW5 momentarily b Programming Tank 1 High Set Point This set point is programmed by pressing the blue push button marked SW2 The High Set point for L1 will either increase of decrease Set it to the desired value and the unit will automatically save it The increase decrease direction can be changed by pressing SW5 momentarily c Programming Tank 2 Low Set Point This set point is programmed by pressing the blue push button marked SW3 The low Set point for L1 will either increase of decrease Set it to the desired value and the unit will automatically save it The increase decrease direction can be changed by pressing SW5 momentarily d Programming Tank 2 High Set Point This set point is programmed by pressing the blue push button marked SW4 The High Set point for L1 will either increase of decrease Set it to the desired value and the unit will automatically save it The increase decrease direction can be changed by pressing SW5 momentarily LCD Display ooon Figure E BS ME Micro Desi A Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 20 For Domestic and Industrial tanks Hardware Installation 1 2 3 4 3 6 1 9 10 11 Micro Design Inc DO NOT INSTALL THE SENDER AT THE TANK YET Locate the p
12. nitor PN 94442A For Domestic and Industrial tanks Selection 3 Set Sensor Signal Type This 1s used for setting the type of sensor that is being connected to the STM O MDi Sensor PN 944417 or PNE 944418 de lhe Rochester Remote Sensor a 4 20 mA Sensor Select 3 on Main Menu may have to press 3 twice Enter 1 1 Unit does echo this entry so it will not show on the screen The unit will go back to Main Menu and should show sensor type to be 0 5 Volts DC If it does not repeat entry again i iia OO iii ell Micro Design Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 16 LPG Stationary Tank Monitor PN 94442A 17 For Domestic and Industrial tanks b RS232 serial port 2 connection and operation COM port This serial port is connected the same as port 1 using MDi cable mdr232 10 The port is also to operate at 9600 BAUD 8 data bits 1 stop bit no parity and no handshake It continuously sends out a data packet as shown in figure 6 below This port is primarily used to connect to a PC or a Remote Terminal Unit RTU to retrieve live tank level data for use in other monitoring systems Data Packet 0395308040800000 Header ASCII character _80 Tank 1 High Level Alarm SetPoint 40 Tank2 Low Level Alarm SetPoint_______________ 80 Tank 2 High Level Alarm SetPoint 00 Tank Sensor Type 0 MDi Sensor 1 0 5 VDC and 2 4 20mA __ 00 T
13. nnonncnnnnononononononnnnnnnnnnonnnnnrnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnninnnnnns 21 Monitor VCC HC MONO NG usaste roster ci ouasauassseenceataintes 22 sender SPENS eee E E E E lorena 23 Most frequently asked questions and answers Q amp A oocccccnccccccccccncconononononccnccnnnononononononononononanannnnnncnnnnnos 24 10210 Monroe Dr Dallas TX 75229 gt 35 icro Dest n Inc Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 5 For Domestic and Industrial tanks Features The 94442A Stationary Tank Monitor STM is used for measuring LPG level in a tank It can be installed indoors or outdoors at a convenient location that can be up to 1000 feet from the tank A level sender is also included which must be installed in the float gage located on the tank The LPG tank does not have to be emptied or purged to install the sender It s universal design fits most junior and senior LPG float gages and includes a direct read pointer that can be used to indicated LPG level at the tank e Monitors 2 LPG Tank Levels Sensor for second tank optional e State of the art intelligent microprocessor based electronics e Large LCD readout indicating Level Low Set Point and High Set Point for each channel e Hi Lo alarm set points programmable using built in pushbuttons e One Form C NC N NP contact available for each channel Contact rating 120VAC O 3 Amps e Analog Output for each channel 0 to 5 VDC s
14. rial Interface a RS232 serial port 1 connection and operation DEV port This serial interface port can be connected to a PC using MDi cable md 232 10 Using communication programs such as Microsoft HyperTerminal the user can set alarm set points view current levels change signal type etc The unit port is set to operate at 9600 BAUD 8 data bits 1 stop bit no parity and no handshake It is a simple 3 wire interface 1 e transmit receive and ground Once the cable is connected from the PC com port to the unit s DEV port press enter on the HyperTerminal window and the unit will respond with a menu This menu is self explanatory and as mentioned parameters can be set changed per user s requirements Figure 5 below shows details of the HyperTerminal window with the unit menu com1_9600 HyperTerminal 3 ES E Oj x File Edit View Call Transfer Help Djs 213 Hbi LPG STH 3444274 rev 0 0 Mero Desiqn Inc 10 lt 10 Monroe Dr Dallas TH S225 Tel 372 455 8725 Fax 372 466 8725 Mm micro design com Today s Date FESFFsFF Time FF FF FF LPG Tank 1 lerel 30 LPG Tank zZz lerel 295 Low Set Point 0 Low Set Point 40 Hi Set Point 20 Hi Set Point 0 Input Simal Mi Sensor Input Signal Mbi Sensor Date Time Signal Type LP 1 Hi LPG1 Lo LEG Hi LPGZ Lo L 7F Figure 5 Mi F JA is nH ni 10210 Monroe Dr Dallas TX 75229 ICTO IES C Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Mo
15. show connection details for the contacts HC HORMSALLY CLOSED HO NORMALCY OPEN C COMMON NE C NO NC c NO TANK 1 TANK e ALARM ALARM CONTACT RATING 3 AMPS 120 AL Figure 2 10210 Monroe Dr Dallas TX 75229 gt 35 icro Dest n Inc Tel 972 488 8725 Fax 972 488 8724 3 Analog Outputs LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks A 0 5 Volt analog output is also provided for each channel This output is typically used to connect to a remote monitoring device programmable controller etc in order to access LPG tank levels For Channel connect to TB1 Top Levek 2 and TB1 Bottom Level2 and for Channel 2 connect to TB1 Top Levek3 and TB1 Bottom Level3 refer to figure 4C below Figure 3 shows a graph of the analog output verses the LPG level This output can be connected to a signal conditioner to provide a 4 20 mA signal indicative of the LPG level Refer to figure 4 for more details on connection to external devices Level Volts 0 10 12 15 18 21 29 30 35 40 45 90 94 96 62 68 11 19 80 85 90 95 100 0 00 0 48 0 57 0 73 0 89 1 03 1 24 1 47 1 72 1 97 2 22 2 48 2 51 2 58 2 67 2 177 3 06 3 37 3 51 3 2 3 96 4 21 4 21 ir aT OO iT _ ll Micro Design Inc O a 2 E gt 4 50 4 00 3 50 3 00 2 50 2 00 1 50 1 00 0 50 0 00 Se RA STM 94442A Analog Output 8 e Se 3 g Se x O
16. tandard 4 20 mA optional e RS232 Serial Interface for direct connection to PC RTU or PLC e NEMA 4 enclosure suitable for outdoor use e Operated on 12 to 24 VDC power Includes 120 VAC wall transformer for AC operation e One LPG sensor included to fit standard 2 junior float gage 10210 Monroe Dr Dallas TX 75229 gt 35 icro Dest n Inc Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A 6 For Domestic and Industrial tanks Product Overview The monitor contains the following 1 LCD Display Figure 1 indicates LPG level and corresponding Low and High Set points for 2 individual tanks Top Line indicates parameters for Tank 1 and second line for Tank 2 LCD Display Low Set Point Level Blue PB 1 High Set Point Blue PB 2 m L1 62 Lo30 HI8O ru gt L2 XX Lo30 HI80 iure XX No Sensor Figure 1 Low Set Point Blue PB 3 OOO O OO A ME A Micro Desi n Inc 10210 Monroe Dr Dallas TX 75229 Tel 972 488 8725 Fax 972 488 8724 LPG Stationary Tank Monitor PN 94442A For Domestic and Industrial tanks 2 Alarm Relay An alarm relay is available for each channel that provides a Form C NC C NO contact rated at 120 VAC at 3 Amps The alarm is activated whenever the actual tank level is either lower than the LO set point or higher than the HI set point The relay is de activated when the level is restored within the normal operation range Figure 2 below
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