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MODEL 2852-DPM 

Dry Pump Monitor 

 

User Manual 

 

Technical Support 

Continental North America Toll Free 1-(800) 387-9487 

Ph:  +1 (905) 829-2418  Fx:  +1 (905) 829-4701 

 
 

            

 

A Product of Arjay Engineering Ltd. 

Oakville, Ontario, Canada 

 

www.ArjayEng.com 

 
 

MODEL: 

 

HARDWARE NO.: 

5.1 

SOFTWARE NO.: 

 

SERIAL NO.: 

 

Summary of Contents for 2852-DPM

Page 1: ...ser Manual Technical Support Continental North America Toll Free 1 800 387 9487 Ph 1 905 829 2418 Fx 1 905 829 4701 A Product of Arjay Engineering Ltd Oakville Ontario Canada www ArjayEng com MODEL HARDWARE NO 5 1 SOFTWARE NO SERIAL NO ...

Page 2: ... pipe no intrusion into stream flow The 2852 DPM sensor monitors a cross sectional area of the pipe and locks in on the capacitance field of the fluid passing through A change toward a dry condition or a liquid of a different dielectric will upset the capacitive field and initiate an alarm The sensing plates are embedded into a wafer flange which provides monitoring without any intrusion into the ...

Page 3: ...0 240 vac 10 Alarm Relay 2 x 10 amp 240 vac SPDT dry Analog Output 4 mA normal 20 mA alarm Communication Modbus RS 485 Certified UL 61010 1 2nd Edition CAN CSA 22 2 61010 1 4 IEC EN 61010 1 2nd Edition IEC 61326 1 CE Declared Enclosure Type 4 IP 66 painted steel or Type 4X IP 66 polycarbonate or SS Optional Light buzzer beacon Technical Specifications Sensor Operating Temp 60 C to 55 C Intrinsic S...

Page 4: ...ification 10 2 4 Glossary of Symbols 11 3 0 STARTUP AND CALIBRATION 12 3 1 Startup 12 3 2 Menu Flow Chart Background Information 12 3 2 1 Menu Description 12 3 2 2 Menu Flow Chart 12 3 2 3 Data Entry 13 3 3 2852 Controller Calibration 13 3 3 1 Site Calibration 13 4 0 SETUP and ALARMS 14 4 1 2852 Controller Setup 14 4 2 2852 Controller Alarms 14 4 3 2852 Controller Network 15 4 3 1 Modbus Configura...

Page 5: ...ange of the sensor and activates a relay contact for use with alarms pumps valves etc The complete 2852 DPM system consists of the flange sensor the PMC card at the sensor and the 2852 controller The model is intended for use in General Purpose non hazardous areas For hazardous location use refer to Arjay Engineering Ltd For appropriate model 1 1 Features Microprocessor based capacitance Controlle...

Page 6: ...for set up and diagnostics only Communication Interface Modbus RS485 Analog Relay Outputs mA Signal Output 4 mA during Normal and 20 mA during an alarm condition 900 Ohms max OR 450 Ohms max 12VDC Power Relay Output 2 SPDT relay dry N O Contact 5A 250 VAC Resistive and N C Contact 3A 250VAC Resistive selectable failsafe or non failsafe selectable high or low acting alarm programmable time delay 0 ...

Page 7: ... Enclosure Buzzer Pilot Light OR Strobe Beacon Custom alarms Approval Standards UL IEC 61010 1 2nd Edition 2005 07 22 Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL file number E343390 CAN CSA 22 2 No 61010 1 2nd Edition 2004 07 Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements CE UL IEC 61010 1 IEC EN 61000 ...

Page 8: ...ow the relay to return to its non energized shelf state during an alarm fault or power failure condition Wire accordingly Note Maximum Conduit size for installation size is FNPT 2 1 1 Permanent Power Connection AC Powered Models only 1 Connection to the building wiring system shall be in accordance with the Canadian Electrical Code CEC Part 1 in Canada the National Electrical Code ANSI NFPA 70 in ...

Page 9: ...nges together is as follows 1 Make sure that all the bolt holes of the matching flanges match up 2 Insert all bolts 3 Make sure that the faces of the mating flanges are not separated by excessive distance prior to bolting down the flanges Make sure the bolt holes align with mating flanges 4 The bolts on the plastic flanges should be tightened by pulling down the nuts diametrically opposite each ot...

Page 10: ... 4 30 6 8 50 10 70 12 24 100 NOTE To ensure proper operation and electrical safety make sure the 2852 enclosure and the PMC junction box are electrically grounded If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired ...

Page 11: ...le time delay 0 600 seconds TB3 Power Input Power input as per Model Check if ordered AC or DC Earth ground is connected to G TB4 Network Output Connect RS485 and to the network D and D TB5 4 20 mA Output and The 4 20 mA is a sourced output referenced to Ground It is not loop powered 4mA Normal 20mA Alarm TB6 Probe Input Connect to to between the controller and the PMC card Check polarity to avoid...

Page 12: ...ine to neutral voltage if CAT I Max transient overvoltage Ut Nominal a c or d c current Rating of insulation required for external circuit TB6 Frequency I 15V 50mA 0 DI or RI TB4 RS485 Communicati on I 5V 5mA 0 DI or RI Double Insulation Reinforced Insulation Output Terminals Terminal ID Function Isolation or protection Rated V A Max V A Load type and nominal TB1 Load Relay N O Contact 5A 250VAC N...

Page 13: ...les documents ci joints Protective Earth Terre de protection Fuse Coupe circuit fusible Direct Current DC Courant continu Normally open relay contacts Contacts travail Normally closed relay contacts Contacts Repos Power off ArróÕ mise hors tension Power on Marche mise sous tension L Live Sous tension N Neutral Neutre G Ground Terre ...

Page 14: ...ions Diags Diagnostics Cal Pts Calibration points Auto Cal Auto calibrate Man Cal Manual calibrate Cal Ok Calibrate ok Cal Err Calibrate err mA out mA output mA Span mA output span Sec Seconds ALRM CAL Alarm Calibration Cal Calibration point SENSTVTY Sensitivity A1 Alarm relay 1 A2 Alarm relay 2 Alrm Alarm Alrm Lvl Alarm level Diff Hi Differential Hi alarm set value Diff Lo Differential Lo alarm s...

Page 15: ... For the initial calibration ensure that the pipe is full of liquid For Liquid to Liquid applications the highest di electric liquid should be in the pipe during calibration As per the Flow Chart press and hold Menu key for 5 seconds to enter the main menu The display will read the first menu item Cal only Press select key enter password 2000 A pF reading of the sensor will be displayed Press sele...

Page 16: ... factory defaults 4 Net ID The ID number is used only for network applications To communicate on a network each controller must have a unique ID number The factory default ID number is 1 Important If multiple units on a network have the same address network errors will result 5 Filter Data filtering is used to smooth data from a sudden change and minimize fluctuating readings For example a 5 secon...

Page 17: ... Series level monitors may be connected together in a daisy chain 2 wire communication plus power wiring connection to an Arjay Remote Access monitor or customer control system which allows viewing data and setup of any of the transmitters on the network The relay and analog outputs may still be used if necessary 2 Setup for the 2852 for network operation Each 2852 transmitter must have a unique I...

Page 18: ...2 Cal1 pF 1st calibration point capacitance value in pF float 2 40035 34 Cal2 pF 2nd calibration point capacitance value in pF float 2 40037 36 Relay 1 Differential High Alarm Level Only used for Linear Level type Not used for Single Point Alarm application float 2 40039 38 Relay 2 Differential High Alarm Level Only used for Linear Level type Not used for Single Point Alarm application float 2 400...

Page 19: ...Model 2852 DPM User Manual Rev 2 1 17 5 0 MAINTENANCE There is no routine cleaning required for this controller ...

Page 20: ...hart to check the Calibration values frequency and capacitance values Call Arjay Technical Support 3 No mA output OR incorrect mA output IMPORTANT THE UNIT SOURCES mA OUT FROM THE mA OUTPUT TERMINAL THIS TERMINAL SHOULD NOT BE CONNECTED TO 24V IT IS NOT A 2 WIRE mA TRANSMITTER See Figure 4 for Electrical hookup details Disconnect external wires from mA output and measure with mA Meter Check the mA...

Page 21: ...Model 2852 DPM User Manual Rev 2 1 19 7 0 FLOW CHARTS ...

Page 22: ...Model 2852 DPM User Manual Rev 2 1 20 ...

Page 23: ...Model 2852 DPM User Manual Rev 2 1 21 ...

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