Siemens SITRANS LU SAM Manuale utente

SITRANS LU SAM

Instruction Manual May 2002

SITRANS LU SAM

Safety Guidelines

Warning notices must be observed to ensure personal safety as well as that of others, and to

protect the product and the connected equipment. These warning notices are accompanied

by a clarification of the level of caution to be observed.

Qualified Personnel

This device/system may only be set up and operated in conjunction with this manual.

Qualified personnel are only authorized to install and operate this equipment in accordance

with established safety practices and standards.

Warning: This product can only function properly and safely if it is correctly transported,

stored, installed, set up, operated, and maintained.

Note: Always use product in accordance with specifications.

Instruments Inc.2002.AllRights ReservedDisclaimer of Liability

This document is available in bound version and in

electronic version. We encourage users to

purchase authorized bound manuals, or to view

electronic versions as designed and authored by

Siemens Milltronics Process Instruments Inc.

Siemens Milltronics Process Instruments Inc. will

not be responsible for the contents of partial or

whole reproductions of either bound or electronic

versions.

While we have verified the contents of

this manual for agreement with the

instrumentation described, variations

remain possible. Thus we cannot

guarantee full agreement. The

contents of this manual are regularly

reviewed and corrections are included

in subsequent editions. We welcome

all suggestions for improvement.

Technical data subject to change.

MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments Inc.

Contact SMPI Technical Publications at the following address:

Technical Publications

Siemens Milltronics Process Instruments Inc.

1954 Technology Drive, P.O. Box 4225

Peterborough, Ontario, Canada, K9J 7B1

Email: techpubs@siemens-milltronics.com

For the libraryof SMPI instruction manuals, visitour Web site: www.siemens-milltronics.com

Table of Contents

SITRANS LU SAM ........................................................................................................................................1

Specifications ...............................................................................................................................................1

Installation .....................................................................................................................................................2

Outline and Mounting ..................................................................................................................2

Layout ..............................................................................................................................................3

Switch Setting ................................................................................................................................4

Interconnection ..............................................................................................................................4

SITRANS LU 10 Communication ................................................................................................5

Relay Output ...................................................................................................................................6

Power ...............................................................................................................................................6

Operation .........................................................................................................................................................7

Maintenance ..................................................................................................................................................8

7ML19985CF02 SITRANS LU SAM – INSTRUCTION MANUAL Page 1

SITRANS LU SAM

The SITRANS LU SAM Satellite Alarm Module is used to provide up to 20 relay outputs for

the scan points of the associated main electronics. Normal operation of the SITRANS LU

SAM is programmed at the main electronics. The only SITRANS LU SAM on board

settings are for bank selection, output testing and loss of communication.

Specifications

• Power: » 100/115/200/230 V ac ± 15%, 50/60 Hz, 20 VA

• Environmental: » location: » indoor / outdoor

» altitude » 2000 m max

» ambient temp.: » – 20 to 50 °C

» relative humidity: » suitable for outdoor (type 4X /

NEMA 4X / IP65 enclosure)

» installation category: » II

» pollution degree: » 4

• Input: » communication from application device*

» ± 20 mA bipolar current loop

» 4800 baud rate

» non polarized

• Output: » relays: » 20 multi-purpose relays, programmable from

associated application device*

» 1 form ‘C’ SPDT contact per relay, rated 5 A at

250 V ac non-inductive

» communication:» ±20 mA bipolar current loop (input retransmission)

» maximum loading 1 receiving unit

• Displays: » 1 power / communication status LED

» 20 relay status LEDs

• Memory: » 10 minutes minimum data retention

• Enclosure: » TYPE 4X / NEMA 4X / IP65

» 209 mm W x 285 mm H x 92 mm D

(8.2" W x 11.2"H x 3.6"D)

» polycarbonate

• * Application Device: » SITRANS LU 10 process material level monitors

• Approvals: » CE*, FM, CSA NRTL/C

* EMC performance available upon request.

• Weight: » 3 kg (6.6 lb)

• Cable (optional): » Belden 8760, shielded / twisted pair, 18 ga. or equivalent

Note: The SITRANS LU SAM is to be used only in the manner outlined in this

instruction manual.

Page 2 SITRANS LU SAM – INSTRUCTION MANUAL 7ML19985CF02

Installation

The SITRANS LU SAM should be mounted in an area that is within the unit’s ambient

temperature range and suitable for the specified enclosure. The front cover should be

accessible for viewing and have sufficient room to swing open; allowing for wiring and

setting switches.

The SITRANS LU SAM may be installed remotely from the main electronics to a maximum

loop length of 3,000 m (10,000 ft) when using 18 ga. wire.

Outline and Mounting

Notes

• Installation shall only be performed by qualified personnel and in accordance

with local govering regulations.

• Do not mount the SITRANS LU SAM in direct sunlight without the use of a sun

shield.

• This product is susceptible to electrostatic shock. Follow proper grounding

procedures.

Note: Non-metallic enclosure does not provide grounding between connections.

Use grounded type bushings and jumpers.

172mm

(6.8")

209mm

(8.2") lid screws

(6 places) 91 mm

(3.6")

lid

enclosure

customer

mounting

screw

285 mm

(11.2")

267 mm

(10.5")

mounting holes

(accessed under lid

4.3 mm (0.17") dia.

4 places)

Suitable location for

conduit entrances.

Siemens Milltronics recommends using

a punch for making holes in enclosure

16 mm

(0.6")

7ML19985CF02 SITRANS LU SAM – INSTRUCTION MANUAL Page 3

Layout

All field wiring must have insulation suitable for at least 250 V.

Relay contact terminals are for use with equipment having no

accessible liveparts and wiring having insulation suitable for

at least 250 V.

The maximum allowable working voltage between adjacent

relay contacts shall be 250 V.

D20

D19

D18

D17

D16

D15

D14

D13

D12

D10

D11

IC1

13 13

27 27

33 33

SHLD

RECEIVER

TRAN SMITTER

SPARE

BIPOLAR

PN 24751432 -01

L2/N

TB3

TB2

RC1

IC1

IC5

CR1

R27

RP1

R22

IC2 IC3

C2 C3

C10

BAN K TEST

1234

PETERBOROUGH ONT CANADA

BOARD A

MOUNT

ON BOTTO M

SW1

R11

R12

R13

R14

R15

R16

R17

R18

R19

R20

R10

5678

R23

R25

COM

IC4

R21

C11 C12

IC4A

RA25

RL1

RL2

RL3

RL4

RL5

RL6

RL7

RL8

RL9

RL10

RL11

RL12

RL13

RL14

RL15

RL16

RL17

RL18

RL19

RL20

OFF

230 V

115 V

100 V

200 V

SW 1

VO LTAGE

SELECT

50 / 60 HZ

board A

board B

Page 4 SITRANS LU SAM – INSTRUCTION MANUAL 7ML19985CF02

Switch Setting

Set the bank / LU SAM selection switches ( SW1 - 1 & 2 ) located at the upper right hand

corner of board ‘A’ in order to enable the SITRANS LU SAM corresponding to the points

being addressed.

Interconnection

System Diagram

Typical system design. Refer to associated application device instruction manual.

3 4 51 2 3 4 51 2

BANK

bank 1 / LU SAM #1 bank 2 / LU SAM #2

lever

style

slider

style

SITRANS LU SAM SITRANS LU 10

7ML19985CF02 SITRANS LU SAM – INSTRUCTION MANUAL Page 5

SITRANS LU 10 Communication

Retransmit Configuration

* Serial Configuration (single loop)

1. SITRANS LU SAM receiver input is polarized.

2. Refer to associated application device instruction manual for wiring detail. Check

that the communication parameter P-740, is ‘on’.

3. SITRANS LU SAM interconnecting cable shield should be grounded at applications

device only. Insulate shields at junctions to prevent inadvertent grounding.

4. * If SITRANS LU SAM is unpowered, transmitter ceases communication to all

downstream peripherals.

5. Maximum individual loop length 3000 m (10,000 ft) with specified cable.

TB1 TB1

board B

TB1

678

SPARE

TRANSMIT

RECEIVE

SITRANS LU SAM #2 SITRANS LU SAM #1 SITRANS LU 10

TB1 TB1

board B

TB1

SPARE

RECEIVE

SITRANS LU 10

SITRANS LU SAM #2 SITRANS LU SAM #1

Page 6 SITRANS LU SAM – INSTRUCTION MANUAL 7ML19985CF02

Relay Output

Power

Notes:

• The equipment must be protected by a 15 A fuse or circuit breaker in the building

installation.

• A circuit breaker or switch in the building installation, marked as the disconnect

switch, shall be in close proximity to the equipment and within easy reach of the

operator.

TB1

TB3

4n.o.

com

n.c.

relay contact, S.P.D.T., 5A at

250 Vac, non-inductive

(typical of up to 20 per LU SAM)

All relays are certified for use in equipment where

the short circuit capacity of the circuits in which

they are connected is limited by fuses having

ratings not exceeding the rating of the relays.

TB2

SW1

OFF

230V

200V

115V

100V

L2/N

Switch is shown in OFF

position. Select

appropriate voltage.

100 / 115 / 200 / 230 Vac, 50/60 Hz

select voltage via switch

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