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Metal Samples MS2600E, Operator'S Manual

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Metal Samples MS2600E Operator'S Manual Download Page 14

10

 

 

b.

 

Testing

 

the

 

Current

 

Loop

 

 

i.

 

Calibration

 

 

The

 

MS2600E

 

is

 

fully

 

calibrated

 

when

 

shipped

 

from

 

the

 

factory.

  

The

 

calibration

 

settings

 

are

 

fixed

 

to

 

avoid

 

accidental

 

change

 

which

 

could

 

result

 

in

 

erroneous

 

data.

  

No

 

field

 

calibration

 

is

 

required.

  

However,

 

it

 

is

 

important

 

to

 

test

 

the

 

MS2600E

 

upon

 

installation,

 

and

 

during

 

periodic

 

maintenance

 

inspections,

 

to

 

ensure

 

the

 

unit

 

is

 

operating

 

properly.

 

 

ii.

 

Testing

 

loop

 

output

 

zero

 

(4mA)

 

and

 

span

 

(20mA)

 

 

The

 

MS2600E

 

Probe

 

Selection

 

Switches

 

(page

 

9)

 

offer

 

three

 

test

 

settings

 

that

 

allow

 

the

 

unit

 

to

 

be

 

placed

 

into

 

various

 

diagnostic

 

modes

 

as

 

follows:

 

 

1)

 

4mA

 

Output

 

–

 

Forces

 

a

 

constant

 

4mA

 

output

 

on

 

the

 

current

 

loop.

 

2)

 

20mA

 

Output

 

–

 

Forces

 

a

 

constant

 

20mA

 

output

 

on

 

the

 

current

 

loop.

 

3)

 

4

‐

20mA

 

Sweep

 

–

 

Causes

 

the

 

output

 

to

 

continually

 

cycle

 

from

 

4mA

 

up

 

to

 

20mA.

 

 

These

 

test

 

modes

 

can

 

be

 

useful

 

when

 

troubleshooting

 

problems

 

with

 

the

 

current

 

loop

 

wiring

 

and

 

DCS/SCADA

 

system.

 

 

iii.

 

Testing

 

the

 

MS2600E

 

with

 

the

 

Meter

 

Prover

 

 

A

 

Meter

 

Prover

 

is

 

provided

 

to

 

allow

 

routine

 

checks

 

of

 

the

 

MS2600E.

  

The

 

Meter

 

Prover

 

simulates

 

a

 

Wire

 

Loop

 

type

 

probe

 

at

 

a

 

fixed

 

value.

  

To

 

test

 

the

 

MS2600E

 

with

 

the

 

Meter

 

Prover:

 

 

1)

 

Disconnect

 

power.

 

2)

 

Disconnect

 

the

 

MS2600E

 

from

 

the

 

probe

 

(or

 

if

 

the

 

MS2600E

 

is

 

remote

‐

mounted,

 

disconnect

 

the

 

probe

 

extension

 

cable

 

from

 

the

 

probe.)

 

3)

 

Connect

 

the

 

Meter

 

Prover

 

to

 

the

 

MS2600E

 

probe

 

connector

 

stem

 

(or

 

to

 

the

 

probe

 

extension

 

cable

 

if

 

the

 

MS2600E

 

is

 

remote

‐

mounted.)

 

4)

 

Loosen

 

the

 

MS2600E

 

Enclosure

 

Lock

 

Screw.

 

5)

 

Unthread

 

and

 

remove

 

the

 

MS2600E

 

cover.

 

6)

 

Change

 

the

 

Probe

 

Selection

 

Switches

 

to

 

the

 

Wire

 

Loop

 

position

 

(see

 

page

 

9.)

 

7)

 

Reconnect

 

power

 

and

 

allow

 

the

 

instrument

 

to

 

measure

 

for

 

several

 

minutes

 

to

 

stabilize.

 

8)

 

After

 

several

 

minutes

 

observe

 

the

 

transmitter

 

output.

  

The

 

output

 

should

 

closely

 

match

 

the

 

value

 

printed

 

on

 

the

 

Meter

 

Prover

 

label.

 

 

If

 

the

 

transmitter

 

output

 

matches

 

the

 

Meter

 

Prover

 

value,

 

you

 

may

 

return

 

the

 

Probe

 

Selection

 

Switches

 

to

 

their

 

previous

 

setting

 

and

 

reconnect

 

the

 

MS2600E

 

to

 

the

 

probe.

  

If

 

the

 

transmitter

 

output

 

shows

 

a

 

significant

 

difference

 

compared

 

to

 

the

 

Meter

 

Prover

 

value,

 

further

 

troubleshooting

 

may

 

be

 

required.

  

Refer

 

to

 

page

 

14

 

for

 

troubleshooting

 

or

 

contact

 

the

 

factory

 

for

 

further

 

assistance.

 

 

Be

 

sure

 

to

 

reinstall

 

the

 

enclosure

 

cover

 

and

 

tighten

 

the

 

Lock

 

Screw

 

when

 

putting

 

the

 

MS2600E

 

back

 

into

 

service.

 

 
 

 

Summary of Contents for MS2600E

Page 1: ...4 20mA Transmitter Operator s Manual Metal Samples Company A Division of Alabama Specialty Products Inc 152 Metal Samples Rd Munford AL 36268 Phone 256 358 4202 Fax 256 358 4515 E mail msc alspi com Internet www metalsamples com ...

Page 2: ... ...

Page 3: ... Area Installation 7 3 Setup and Operation 9 a Probe Selection Switches 9 b Testing the Current Loop 10 i Calibration 10 ii Testing loop output zero 4mA and span 20mA 10 iii Testing the MS2600E with the Meter Prover 10 c Interpreting Data 11 i Metal Loss 11 ii Calculating Corrosion Rate 11 d Commissioning 13 C Maintenance 13 D Troubleshooting 14 III Service and Warranty Information 15 A Warranty 1...

Page 4: ... ...

Page 5: ...R probe It is then connected to the probe via a short probe cable See page 5 for mounting diagrams and specifications B Principles of Operation The MS2600E operates on the Electrical Resistance ER technique and is used in conjunction with an ER probe The ER probe utilizes a resistive sensing element manufactured from the material of interest or a close approximation which is exposed to a corroding...

Page 6: ... faster to corrosion events and upsets compared to traditional ER meters At 16 bit resolution the MS2600E can measure metal loss amounts as small as 0 0015 of the probe life Metal loss readings taken by the MS2600E are converted to a linearized 4 20mA current loop output The 4 20mA signal can be fed into a plant control system or other devices and scaled accordingly to reflect metal loss Then corr...

Page 7: ... Data PowerRequirements 10 to 28 VDC MaximumProbeCableDistance 30 ft 9 1 m OutputSpecifications 4 20mACurrentLoopOutput Hazardous Location Certifications Intrinsic Safety USA Canada Conforms to ANSI UL Std 60079 0 60079 11 61010 1 CAN CSA Std E66079 0 E60079 11 CAN CSA C22 2 No 61010 1 Class I Zone0 AEx ia IIC T4 Ga Zone 20 AEx ia IIIC T130 C Da 20 C Ta 70 C Europe and Worldwide II 1 G Ex ia IIC T...

Page 8: ... Transmitter involves the following steps 1 Physical Mounting 2 Electrical Connection 3 Setup and Programming 1 Physical Mounting and Probe Connection When selecting a location to mount the MS2600E it is important to consider the surrounding environment To ensure proper operation Do not mount the MS2600E in a location that exceeds its operating temperature Avoid mounting the MS2600E near sources o...

Page 9: ...b Remote Mounting When it is not practical to direct probe mount the MS2600E the unit can be remote mounted instead In this case the instrument is mounted to a separate mounting pole using the optional Remote Mounting Hardware Kit The MS2600E is then connected to the ER probe via the optional probe extension cable When possible the MS2600E should be mounted within 10 3m of the probe to keep the pr...

Page 10: ...ent loop wiring between the MS2600E Transmitter and the control system is determined by the control system supply voltage the electrical resistance of the current loop cable and the load of the control system input If the Transmitter is to be installed in a safe area refer to section c Wiring for a Safe Area Installation for details If the Transmitter is to be installed in a hazardous area refer t...

Page 11: ...th the control drawing located on page 18 and all of the local area requirements CAUTION When used in Hazardous areas equipment must be supplied with a pre approved power supply unit or approved equipment via a certified intrinsically safe barrier or a galvanically isolated barrier with the following maximum input parameters Ui 28 V Ii 93 mA and Pi 0 65 W Whenever an electrically driven sensor or ...

Page 12: ...ation of the hazardous environment in question Metal Samples will provide upon request assistance and technical advice in the selection of a repeater safety barrier or its equivalent For most installations Metal Samples recommends the intrinsically safe MTL 5441 Repeater Power Supply The maximum length of the current loop cable that connects the MS2600E Transmitter to the repeater safety barrier i...

Page 13: ...cation of the current loop connection and DCS program Figure 5 Connector and Switch Details Setting Switch 1 Switch 2 Switch 3 Switch 4 Operating Positions Wire Loop Off On On Off Tube Loop Flush On Off On Off Cylindrical Off Off On Off Test Positions 4mA Output On On Off Off 20mA Output Off On Off Off 4 20mA Sweep On Off Off Off Table 2 Probe Switch Settings Cylindrical probe setting is illustrat...

Page 14: ...s a Wire Loop type probe at a fixed value To test the MS2600E with the Meter Prover 1 Disconnect power 2 Disconnect the MS2600E from the probe or if the MS2600E is remote mounted disconnect the probe extension cable from the probe 3 Connect the Meter Prover to the MS2600E probe connector stem or to the probe extension cable if the MS2600E is remote mounted 4 Loosen the MS2600E Enclosure Lock Screw...

Page 15: ...ples probe tag as the Multiplier Figure 6 Metal Samples Probe Tag Figure 7 illustrates the relationship between Loop Current and Metal Loss In this example a probe with a 10 mil life is assumed However the X axis could be changed to represent any Probe Life Figure 7 Output Relationship As seen here the transmitter output begins at 4mA for a new probe zero Metal Loss and increases as the probe elem...

Page 16: ...to system upsets The ideal time period depends on many factors and will vary from system to system It may take some trial and error to settle on the best time period for your installation In some cases it may be necessary to review the raw Metal Loss data and manually apply the Corrosion Rate formula to periods of interest For example look at the graph below and see how much the calculated Corrosi...

Page 17: ... MS2600E requires little maintenance However itisimportanttoverifythefollowingitems periodicallytoensurecontinuedsafeoperation CAUTION Before performing any tests or maintenance on the MS2600E ensure that all hazardous area requirements are met Inspection Item Frequency Inspect the enclosure o ring for any signs of damage Replace as necessary Annually Inspect the probe connector o ring for any sig...

Page 18: ...robe type and refer to Table 2 on page 9 to verify the appropriate switch settings 3 Perform a visual inspection of the circuit boards to look for any signs of mechanical or electrical damage 4 Ensure that all electrical cables and wiring are in good condition 5 Ensure that all electrical contacts are secure and free of corrosion 6 Ensure that there is adequate supply voltage at the 4 20mA Current...

Page 19: ...ontrol B Obtaining Service and Returning the Instrument for Repair If you experience problems with your instrument please contact the factory at 256 358 4202 and ask for customer support for instrumentation Our customer support department will assist you in troubleshooting your instrument Most issues can be resolved over the phone but in some cases it may be necessary to return your instrument for...

Page 20: ...own Contact Information for Repair Contact Name Company Phone Number E mail Address Return Shipping Information Recipient Name Company Return Address If different than above Reason for Return Provide as much detail as possible Attach additional pages if required Invoice Instructions For non warranty repairs Invoice me for the repair Requires an open account with Metal samples Reference PO Contact ...

Page 21: ...17 Appendix A Drawings A Wiring Diagrams Control Drawing Hazardous Area Wiring Diagram Safe Area Wiring Diagram ...

Page 22: ...BY DESCRIPTION REV DATE DESCRIPTION BY CHKD MUNFORD AL 36268 PHONE 256 358 4202 A DIVISION OF ALABAMA SPECIALTY PRODUCTS INC 152 METAL SAMPLES RD FAX 256 358 4515 C ALABAMA SPECIALTY PRODUCTS INC 2001 A 6 25 14 ADDED PROBE CABLE ASSEMBLY EEW BP DRAWN IN Control Drawing MS2600E High Resolution ER 4 20mA Transmitter EXWDB 000078 1 1 CRT 02 26 14 BP EEW BKF QC BY SDP 4 3 2 1 ER Probe Simple Device OR...

Page 23: ...DESCRIPTION BY CHKD MUNFORD AL 36268 PHONE 256 358 4202 A DIVISION OF ALABAMA SPECIALTY PRODUCTS INC 152 METAL SAMPLES RD FAX 256 358 4515 C ALABAMA SPECIALTY PRODUCTS INC 2001 A 06 25 14 ADDED PROBE CABLE ASSEMBLY EEW BKF DRAWN IN Safe Area Wiring MS2600E High Resolution ER 4 20mA Transmitter WDB 000082 1 1 02 26 14 BP EEW BKF QC BY SDP 10 28Vdc POWER SUPPLY UNIT DC A A B C F E D A B ER Probe Sim...

Page 24: ...on Date Changes A 6 29 2014 Initial Release B 7 25 2014 Added X to certificate numbers on page 3 Added X restrictions on page 3 Added CAUTION note on page 4 C 5 5 2015 Changed Current Loop Wiring Harness length from 3 to 33 on page 3 and 6 ...

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