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3-5

3.1.3

Model 20-35-NM-DIN

Function Modes

Table 3-6: Model 20-35-NM-DIN Function Modes Switch Settings

SW3

(See table

3-8)

SW4

(See table

3-9)

Function

Mode

Probe

Position

Condition Tilted

LED

Delay on

Transition

to (See

table 3-7)

Relay K1

Contact

DEFAULT SETTING

Alarm for

High Level

Detection

Tilted Alarm OFF

X Open

Level (B)

High (A)

Vertical

Normal

Closed

Level (B)

Low (B)

Alarm for

Low Level

Detection

Tilted Normal ON

Closed

Vertical

Alarm

OFF

Open

Flow (A)

Low (B)

Alarm for

NO Flow

Detection

Tilted Normal ON

Closed

Vertical

Alarm

OFF

Open

Flow (A)

High (A)

Alarm for

Flow

Detection

Tilted Alarm OFF

X Open

Vertical

Normal

Closed

Содержание 20-35-NM-DIN

Страница 1: ... RAMSEY MERCURY FREE TILT SENSORS FOR NON HAZARDOUS AREAS Manufacturer Thermo Fisher Scientific 501 90th Avenue NW 55433 Minneapolis MN USA 800 445 3503 CONTROL UNITS PROBES Model 20 35 NM F Model 20 54 NM SS Model 20 35 NM DIN Model 20 52 NM Model 20 59 NM Model 20 55 NM P ...

Страница 2: ...ii ...

Страница 3: ...iii Revision History Revision Number Date Released ECO Number Release Specifics A March 2008 1819 Manual first release B September 2013 3369 Correct Output Names C September 2013 3381 Add specifications ...

Страница 4: ...pment as defined below You obtain no rights other than those granted you under this license The term Equipment means the equipment with which the Software Program is used The term Software Program means the original and all whole or partial copies of the Software Program used in connection with Equipment sold by Thermo Fisher Scientific to the user including modified copies or portions of the Soft...

Страница 5: ...in any way to this license Thermo Fisher Scientifics liability will be for the actual value of the Software Program Thermo Fisher Scientific will not be liable for any lost profits lost savings any incidental damages or other economic consequential damages even if Thermo or its authorized supplier has been advised of the possibility of such damages Thermo Fisher Scientific will not be liable for a...

Страница 6: ...vi ...

Страница 7: ...ller Said warranty shall not apply if the equipment shall not have been operated and maintained in accordance with seller s written instructions applicable to such equipment or if such equipment shall have been repaired or altered or modified without seller s approval provided however that the foregoing limitation of warranty insofar as it relates to repairs alterations or modifications shall not ...

Страница 8: ... information is neither a warranty nor guarantee expressed or implied regarding performance merchantability fitness or any other matter with respect to the products and recommendation for use of the product process information in conflict with any patent Please note that Thermo Fisher Scientific reserves the right to change and or improve the product design and specifications without notice ...

Страница 9: ... Version 1 3 1 3 2 Model 20 35 NM DIN Internal Cabinet Version 1 4 1 4 Symbol Identification 1 5 Chapter 2 Installation 2 1 2 1 Control Unit Installation 2 1 2 2 Probe Installation 2 3 2 3 Electrical Installation 2 8 Chapter 3 Operation 3 1 3 1 System Configuration 3 3 3 1 1 Model 20 35 NM F Function Modes 3 3 3 1 2 Model 20 35 NM F Switches Setting 3 4 3 1 3 Model 20 35 NM DIN Function Modes 3 5 ...

Страница 10: ... Model 20 59 NM 2 6 Figure 2 6 Tilt Sensor Model 20 55 NM P 2 7 Figure 2 7 Control Unit Model 20 35 NM F Terminal Wiring 2 8 Figure 2 8 Control Unit Model 20 35 NM F Internal Layout 2 9 Figure 2 9 Control Unit Model 20 35 NM DIN Terminal Wiring 2 10 Figure 2 10 Control Unit Model 20 35 NM DIN Internal Layout 2 11 List of Tables Table 1 1 Symbol Identification 1 5 Table 3 1 Model 20 35 NM F Functio...

Страница 11: ...xi ...

Страница 12: ...ed and Technical Specifications The system has been made in compliance with the EC standards The products are supplied complete with all the documentation required by these standards The installation use and maintenance manual is an integral part of this documentation and contains all the informations needed to ensure the efficent operation of the system with particular regard to personnel safety ...

Страница 13: ...artments for assistance and how to order parts for the equipment Chapter 6 Decommissioning and Dismantling Chapter 7 Labels provides information on labels description and position Documentation Conventions The following conventions are used in this manual to help easily identify certain types of information Italic is used to introduce new terms and for emphasis Italic blue type is used for referen...

Страница 14: ...e procedures until you have read the safety precautions presented The manufacturer is deemed absolved of all liability in the following circumstances If the products is used improperly If the product has not been installed in accordance with the instructions in this manual If the product has been installed in an environment that does not comply with the conditions set by the manufacturer If the pr...

Страница 15: ...binet PC boards or modules There are voltages in excess of 115 V or 230 V in these areas WARNING Use only the procedures and new parts specifically referenced in this manual to ensure specification performance and certification compliance Unauthorized procedures or parts can render the instrument dangerous to life limb or property Safety in Use Once the products has been installed before starting ...

Страница 16: ...ves the manufacturer from all civil and criminal liability If an emergency situation arises because of a fire it is forbidden to use water toput the fire out always user powder type extinguishers How to Get Help WARNING Unless you are directed to do so by an authorized service representative of Thermo Fisher Scientific you should not attempt to perform any troubleshooting or maintenance procedures...

Страница 17: ...IT Model 20 35 NM F TAG MARKING CE Certification CE CSA International 40 F 40 C Ta 122 F 50 C Master Contract 158791 Model 20 35 NM DIN TAG MARKING CE Certification CE CSA International 40 F 40 C Ta 122 F 50 C Master Contract 158791 ...

Страница 18: ...xviii PROBE Models 20 54 NM SS 20 52 NM 20 59 NM 20 55 NM P TAG MARKING CE Certification CE ...

Страница 19: ...s presence or lack of on a conveyor belt In other applications where the effect is tilt of the probe The probe actuates when it is tilted 15 degrees or more from it s vertical position 1 2 Probe Models Model 20 54 NM SS Stainless Steel Probe AISI 304 Model 20 52 NM Heavy Duty 2 Metal Probe Model 20 59 NM Standard Probe Nickel Chrome Plated Casting Model 20 55 NM P Standard Probe PVC ACCESSORY AVAI...

Страница 20: ... Current Flow Vertical Position 18 mA approx Tilted Inclination Probe Higher 15 8 mA approx Supply Shorted 26 mA approx Failure Supply Circuit Open 0 mA Temperature Ratings 40 F 40 C Ta 122 F 50 C Dimensions See Figures Chapter 2 Tilt Angle 15 Probe Cable Length Standard 8m 25 ft Other lengths on request ...

Страница 21: ... or controls Probe failure or supply short One normally open NO contact SPECIFICATIONS Power Requirements Voltage 115 230 VAC 10 by selector switch Frequency 50 60Hz Consumption 7VA Fusing F1 0 05A SB Type T F2 0 1A SB Type T Outputs Alarm Two 2 SPDT contact Rated at 10 Amp at 115 230 VAC or 7 Amp at 30 VDC non inductive Probe Fault or Supply Short One 1 NO contact 115 230 VAC 2 Amp 24VDC 3 Amp Ti...

Страница 22: ...ting of probe from causing a false or premature contact transfer Tilt Probe alarm position One normally open NO contact Probe failure or supply short One normally open NO contact SPECIFICATIONS Power Requirements Voltage 115 230 VAC 10 Frequency 50 60Hz Consumption 3 3VA Fusing F1 0 05A SB Type T F2 0 1A SB Type T Outputs Probe Tilted One 1 NO contact 115 230 VAC 2 Amp 24VDC 3 Amp Probe Alarm Faul...

Страница 23: ...Identification Table 1 1 describes the symbols used in this manual Table 1 1 Symbol Identification Symbol Description ALTERNATING CURRENT EARTH GROUND TERMINAL PROTECTIVE CONDUCTOR TERMINAL CAUTION RISK OF ELECTRIC SHOCK CAUTION REFER TO ACCOMPANYING DOCUMENTS ...

Страница 24: ...1 6 ...

Страница 25: ...ere the ambient temperature does not fall below 40 C 40 F or exceed 50 C 122 F 2 The unit enclosure will accept two holes in the bottom for input of 3 4 diameter conduits cable gland 3 Use two separate conduits cable glands one for the probe and one for the control and or power circuits 4 The terminals will accept a 12 AWG stranded wire maximum 5 For electrical connections refer to Figure 2 7 Figu...

Страница 26: ...ambient temperature does not fall below 40 C 40 F or exceed 50 C 122 F 2 The unit enclosure is supplied with external terminal blocks for electrical connections 3 Use two separate conduits one for the probe and one for the control and or power circuits 4 The terminals will accept a 12 AWG stranded wire maximum 5 For electrical connections refer to Figure 2 9 Figure 2 2 Control Unit Model 20 35 NM ...

Страница 27: ...refully chose the location of the Probe It is very important to choose the right installation position so the material flow will cause a tilt action and not bury the probe Normal Installation When there is no chance of material damaging the flex Shielded Installation When flex protection is needed and the probe can traverse to alarm position Flex slack Shield ...

Страница 28: ...2 4 Figure 2 3 Probe Model 20 54 NM SS Stainless Steel Probe Dimensions are inches and mm ...

Страница 29: ...2 5 Figure 2 4 Probe Model 20 52 NM Heavy Weight Probe Dimensions are inches and mm ...

Страница 30: ...2 6 Figure 2 5 Probe Model 20 59 NM Steel Probe Dimensions are inches and mm ...

Страница 31: ...2 7 Figure 2 6 Probe Model 20 55 NM P Plastic Probe Dimensions are inches and mm ...

Страница 32: ... UNIT Model 20 35 NM F 1 The Control Unit enclosure is supplied with 2 875 dia conduit holes in the bottom 2 Use separate conduits cable glands for probe and power circuits connection Figure 2 7 Control Unit Model 20 35 NM F Terminal Wiring ...

Страница 33: ...2 9 Figure 2 8 Control Unit Model 20 35 NM F Internal Layout ...

Страница 34: ... NM DIN 1 The Control Unit enclosure is supplied with terminals for connection 2 Use separate conduits cable glands for probe and power circuits connection Figure 2 9 Control Unit Model 20 35 NM DIN Terminal Wiring PROBE TILTED M3 ...

Страница 35: ...2 11 Figure 2 10 Control Unit Model 20 35 NM DIN Internal Layout FAULT ...

Страница 36: ......

Страница 37: ...t Sensor system is used as a no flow detector the normal position of the probe is tilted When used as a level detector the normal position is vertical not tilted In both cases the tilted condition indicates the presence of material Flow Application Examples ...

Страница 38: ...3 2 Low Application Examples Typical Plugged Transfer Chute Alarms ...

Страница 39: ...cation 3 1 1 Model 20 35 NM F Function Modes Table 3 1 Model 20 35 NM F Function Modes Switch Settings SW3 See table 3 3 SW5 See table 3 4 Function Mode Probe Position Condition Lamp Alarm Delay on Transition to See table 3 2 DEFAULT SETTING Alarm for High Level Detection Tilted Alarm ON X Level B High A Vertical Normal OFF Level B Low B Alarm for Low Level Detection Tilted Normal OFF Vertical Ala...

Страница 40: ...B A 4 A A 6 SW3 determines whether the alarm functions of the control unit respond like a Flow or Level application Table 3 3 SW3 Settings SW3 Mode A Flow B Level SW5 determines whether the alarm functions of the control unit respond like a High or Low Level application Table 3 4 SW5 Settings SW5 Mode A High Level B Low Level SW4 defines the instrument electrical power supply Table 3 5 SW4 Selecto...

Страница 41: ...ee table 3 7 Relay K1 Contact DEFAULT SETTING Alarm for High Level Detection Tilted Alarm OFF X Open Level B High A Vertical Normal ON Closed Level B Low B Alarm for Low Level Detection Tilted Normal ON Closed Vertical Alarm OFF X Open Flow A Low B Alarm for NO Flow Detection Tilted Normal ON Closed Vertical Alarm OFF X Open Flow A High A Alarm for Flow Detection Tilted Alarm OFF X Open Vertical N...

Страница 42: ...ble 3 7 SW1 and SW2 Settings SW1 SW2 Delay in Seconds B B 1 A B 2 B A 4 A A 6 SW3 determines whether the alarm functions of the control unit respond like a Flow or Level application Table 3 8 SW3 Settings SW3 Mode A Flow B Level SW5 determines whether the alarm functions of the control unit respond like a High or Low Level application Table 3 9 SW4 Settings SW4 Mode A High Level B Low Level ...

Страница 43: ...tional check according to the indications below It is the exclusive responsibility of the user to determine the frequency of functional checks based on their particular application and installation It is very important to verify that the cable of the Probe is not damaged The Ramsey Mercury Free Tilt Sensor system has been designed to operate under normal industrial environments The operation of th...

Страница 44: ... is shorted 5 With the probe cable still disconnected measure the voltage at probe terminals 1 and 2 The measurement should be greater than 20 volts DC 4 3 Control Unit Model 20 35 NM DIN Check Procedure 1 Check the power supply connection Make sure the input power wires are connected to the correct inputs on terminal block M1 and that they match the actual AC power supplied to the unit 2 Check th...

Страница 45: ...rvice technicians to assist customers with installation setup initial calibration customer training maintenance and repair Contact the Thermo Fisher Scientific Field Service department at the number given below for current rates and scheduling Thermo Fisher Scientific has repair centers located at the plant in Minneapolis Minnesota Products that need system checkout or repair can be returned to th...

Страница 46: ...part 2 Locate the part in the Parts List 3 Find the part number s for the item s you need 4 Before you contact Thermo Fisher Scientific for your parts make sure you have the following information Machine model and serial number Purchase Order number Date Required Preferred shipping method Part number s descripto9in and quantity needed Telephone or FAX Thermo Fisher Scientific Customer Service Depa...

Страница 47: ...rom dust during storage Make sure the ambient temperature in the place where the unit is to be stored conforms to the specifications in the technical data table 6 2 Dismantling the Unit To dismantle the System follow the steps outlined below Disconnect the unit from the circuit The resulting waste materials must be disposed of in accordance with the binding legislation in the unit s country of ins...

Страница 48: ...eporting the approvals of all Mercury Free Tilt Sensor systems The following figures show where the labels are positioned on the instruments 7 1 Control Unit Model 20 35 NM F Labels The following figure shows where the labels are positioned on the instrument ...

Страница 49: ...7 2 7 2 Control Unit Model 20 35 NM DIN Labels The following figure shows where the labels are positioned on the instrument ...

Страница 50: ...7 3 7 3 Probe Label The following figure shows where the labels are positioned on the Tilt Sensor Probes ...

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