Spirax Sarco LD377BL Series Installation And Maintenance Instructions Manual Download | Manualshive

Page: 15 / 28

background image

15

3.887.5275.250

Information!

At maximum 15 transmitters could be connected in parallel on the same line.

Attention: when more transmitters are connected on the same line the current

standing on the resistor (250-ohm) is equal to

4mA x N of connected instruments.

This could cause a high electric potential. Be sure power supply is sufficient.

Fig. 8 - 4÷20 mA + Hart

®

modem connection

Fig. 9 - Only Hart

®

Multidrop connection

«
...
13
14
15
16
17
...
»

Summary of Contents for LD377BL Series

Page 1: ...Y 3 887 5275 250 EMM Issue 4 2018 Copyright 2016 Level Transmitter Series LD377BL Installation and Maintenance Instructions 1 Safety information 2 Introduction 3 Description 4 Operations 5 Configurat...

Page 2: ...2 3 887 5275 250...

Page 3: ...n the pipeline at some previous time Consider flammable materials substances hazardous to health extremes of temperature 1 5 Hazardous environment around the product Consider explosion risk areas lack...

Page 4: ...iculary mains supply voltage and phase local mains isolation fuse requirements earthing special cables cable entries cable glands electrical screening 1 13 Commissioning After installation or maintena...

Page 5: ...tion or for particular problems not considered in this manual please address to our technical office The warranty period is the one contemplated in our general servicing conditions This warranty is ne...

Page 6: ...IIB and IIA when used in the ambient temperature range 40 C to 80 C Temperature Class of the transmitter maximum surface temperature T6 only when used in the ambient temperature range 40 C 60 C T5 onl...

Page 7: ...iezoresitive sensor It is possible to choose a variety of sensors to satisfy all process conditions The Spirax Sarco measuring cell contains the sensor and transmits the pressure to the electronics Th...

Page 8: ...l Make sure that the operating conditions are compatible with the specification given to the manufacturer Mandatory For measurement in the presence of particularly hot liquids e g steam make sure that...

Page 9: ...epartment Inspection frequency consideration should be given to applicable national legislation Warning The process connection must be realized in such a way that guarantees the hold at the maximum wo...

Page 10: ...mounting direct on piping is illustrated Warning Remember to introduce always a security valve in order to put in maintenance operations when necessary When the connections are located on a vertical...

Page 11: ...h condensate vapors of the process fluid or with suitable inert liquid to prevent direct contact with the transmitter diaphragm Mandatory Pressure connections on model LD377BL are marked with H and L...

Page 12: ...osition you must follow these passages Fig 5 unscrew the nut A with key CH 24 by hand gently rotate the enclosure B in the desired position once the desired position is reached fix the nut A again wit...

Page 13: ...y are only for protection during transport Fig 6 Electrical connection of the power cable to the terminal block Information Impedance of the cables defines the possible maximum length for digital comm...

Page 14: ...pecification Revision 6 0 so they include remote process variable interrogation parameter setting and diagnostics The device is a 4 20mA 2 wire transmitter with FSK communication It is possible to rea...

Page 15: ...Attention when more transmitters are connected on the same line the current standing on the resistor 250 ohm is equal to 4mA x N of connected instruments This could cause a high electric potential Be...

Page 16: ...quisite against the risk of explosion in the classified areas are fixed from the European Directives 2014 34 EU of 26 February 2014 as far as it concerns the Equipment and 1999 92 EC of December 16th...

Page 17: ...nd the power supply Fig 6 Case 2 Installing the instrument in a plant provided with earthing systems Make sure the earthing GND of the system has the least resistance possible Fig 11 4 20 mA loop conn...

Page 18: ...s protection against electromagnetic interference of the instrument Therefore in the case of long distance cable L 20 m both ends of the braid must be connected to the chassis or to the connectors In...

Page 19: ...n the following ways Direct mode 4 20mA output Reverse mode 20 4mA output The direct mode is obtained by setting the lower range point with the lowest value of the range e g 0 1 bar and by setting the...

Page 20: ...in the lower right corner of the display Between the sensor limits Full span setting URV Measure linked to the full span and to the 20mA output The measuring unit is shown in the lower right corner of...

Page 21: ...ntil necessary The same procedure for 20mA follows Hart Polling address ADDRESS Hart polling address modification 0 15 The minimum polling time is 8ms Transmitter information INFO The polling address...

Page 22: ...is less than the maximum allowed Measure is incorrect Process Accurately verify the compatibility between the process and the connection type Sensor drift Apply zero input conditions to the transmitt...

Page 23: ...essage is shown if PV is lower than LRV by 20 of the span LCD OV LCD OV this message is shown if PV 99999 or PV 99999 In this case could depends by damage of sensor or display EE CHK ERR This message...

Page 24: ...manufacturer 2 CE marking followed by the identification number of the notified body involved in the production phase 3 Designation of series or type 4 Serial number with the Year of construction 5 A...

Page 25: ...the nominal range provided that the span minimum span Damping digitally adjustable from 0 to 60 sec minimum response time 0 1 sec Reverse output automatically obtained via software Transfer function l...

Page 26: ...minal range direct action linear Optional at the conditions specified with the order NPT F on adaptors and NPT F on process chamber Bolts AISI 316 Electrical connections two cable entries on electroni...

Page 27: ...27 3 887 5275 250...

Page 28: ...rt please contact our local Sales Engineer or our Head Office directly Spirax Sarco S r l Technical Assistance Via per Cinisello 18 20834 Nova Milanese MB Italy Tel 39 0362 4917 257 39 0362 4917 211 F...

Reviews:

No comments

Related manuals for LD377BL Series

Brand: Samson Pages: 92

Brand: Qixiang Electron Science & Technology Pages: 45

PROXIMITY Series

Brand: Dwyer Instruments Pages: 20

Brand: Lectrosonics Pages: 24

HomeAware HA360VPT

Brand: Oaktree Products Pages: 2

Brand: Novus Pages: 2

Brand: JETStream Pages: 62

Brand: Vaisala Pages: 4

Brand: Omron Pages: 104

Brand: Narco Avionics Pages: 16

Brand: MobileBlackBox Pages: 9

DT1600 U Series

Brand: Datcon Pages: 20

Brand: RKI Instruments Pages: 67

TX-500-120-240-50-60-AC

Brand: Larson Electronics Pages: 2

Brand: Nokia Pages: 4

Brand: Nokia Pages: 24

Brand: Nokia Pages: 20

Brand: Nokia Pages: 54

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands