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35

 

 

MicroLink

 

modem

 

is

 

assigned

 

to

 

COM

 

7

 

 

c.

 

Using

 

Windows

 

device

 

manager

 

The

 

assigned

 

COM

 

port

 

number

 

can

 

be

 

found

 

using

 

Windows

 

Device

 

Manager.

 

Open

 

Device

 

Manager

 

and

 

select

 

View

 

>

 

Devices

 

by

 

Type.

 

You

 

may

 

need

 

to

 

expand

 

the

 

Device

 

Manager

 

tree

 

under

 

Ports

 

(COM

 

and

 

LPT)

 

to

 

see

 

the

 

converter.

 

In

 

the

 

example

 

shown

 

below,

 

the

 

modem

 

is

 

assigned

 

to

 

COM

 

7.

 

The

 

assigned

 

serial

 

COM

 

port

 

number

 

can

 

be

 

changed

 

to

 

any

 

available

 

COM

 

port

 

using

 

Windows

 

Device

 

Manager.

 

 

Expand

 

Ports

 

(COM

 

&

 

LPT)

 

in

 

the

 

list

 

to

 

see

 

which

 

port

 

the

 

converter

 

is

 

assigned

 

to.

 

Right

 

click

 

MicroLink

 

HART

 

Protocol

 

Modem

 

and

 

select

 

Properties

 

from

 

the

 

pop

‐

up

 

menu.

 

On

 

the

 

Port

 

Settings

 

tab,

 

click

 

Advanced.

 

 
  

Drop

 

down

 

the

 

COM

 

Port

 

Number

 

list

 

and

 

select

 

the

 

desired

 

port

 

number.

 

  

Click

 

OK

 

to

 

use

 

the

 

new

 

port

 

number

 

and

 

close

 

the

 

window.

 

Unplug

 

the

 

MicroLink

 

modem

 

from

 

the

 

USB

 

port

 

and

 

then

 

reconnect

 

it

 

to

 

allow

 

Windows®

 

to

 

update

 

the

 

USB

 

device

 

parameters.

 

Click

 

OK

 

again

 

to

 

close

 

the

 

Properties

 

window.

 

 
 

d.

 

Software

 

setup

 

Make

 

sure

 

your

 

HART

 

software

 

is

 

set

 

to

 

use

 

the

 

same

 

serial

 

COM

 

port

 

number

 

that

 

the

 

MicroLink

 

modem

 

is

 

assigned

 

to.

 

There

 

are

 

no

 

hardware

 

settings

 

required

 

by

 

the

 

MicroLink

 

modem

 

and

 

modem

 

power

 

is

 

provided

 

by

 

the

 

USB

 

port.

 

All

 

other

 

settings,

 

such

 

as

 

BAUD

 

rate

 

and

 

parity,

 

are

 

taken

 

care

 

of

 

by

 

your

 

HART

 

software.

 

 

e.

 

Connecting

 

to

 

the

 

HART

 

device

 

Connect

 

the

 

two

 

mini

‐

clips

 

to

 

the

 

HART

 

device

 

or

 

HART

 

loop.

 

MicroLink

 

provides

 

electrical

 

isolation

 

between

 

the

 

HART

 

loop

 

and

 

the

 

PC.

 

It

 

is

 

safe

 

to

 

ignore

 

grounding

 

and

 

polarity

 

issues

 

when

 

making

 

the

 

HART

 

connections.

 

 

The

 

HART

 

protocol

 

requires

 

a

 

loop

 

resistance

 

of

 

230

 

to

 

600

 

ohms,

 

typically

 

250

 

ohms.

 

Refer

 

to

 

your

 

equipment

 

installation

 

instructions

 

for

 

details

 

on

 

connecting

 

a

 

HART

 

protocol

 

modem

 

or

 

configuration

 

device

 

to

 

the

 

loop.

 

Содержание MS2901E

Страница 1: ...0mA HART 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...

Страница 2: ......

Страница 3: ...T at Hazardous locations 9 3 Setup and Operation 10 a Probe Selection Switches 10 b Testing the Current Loop 11 i Calibration 11 ii Testing loop output zero 4mA and span 20mA 12 iii Testing the MS2901...

Страница 4: ......

Страница 5: ...S2901E to be mounted independently from but in close proximity to the ER probe It is then connected to the probe via a short probe cable See page 5 for mounting diagrams and specifications B Principle...

Страница 6: ...faster to corrosion events and upsets compared to traditional ER meters At 16 bit resolution the MS2901E can measure metal loss amounts as small as 0 0015 of the probe life Metal loss readings taken b...

Страница 7: ...20mA without alarm 22 5mA with alarm Electrical Connection NPT entry with Ex Gland or other entries are available withadaptors Maximum Probe Cable Distance 30 ft 9 1 m Output Data Output Signal 4 20m...

Страница 8: ...el d utilisation pour les instructions d installation et les param tres d entr e et de sortie lectriques maximum Installation of the MS2901E Transmitter involves the following steps 1 Physical Mountin...

Страница 9: ...be and for foreign material in the female sockets of the transmitter connector Gently straighten any bent pins and clear any foreign material that may be found Align Key Insert Connector Tighten Coupl...

Страница 10: ...r Stem or Probe Cable 1 2 FNPT Conduit Port for Field Wiring Entry Figure 4 MS2901E current Loop Connector The maximum permissible length of the current loop wiring between the MS2901E Transmitter and...

Страница 11: ...communicate with the computer in a safe area Connect the modem across 250 Ohms resistor in line with current loop supply as shown in figure Any certified handheld terminal can be connected to the curr...

Страница 12: ...4 20 mA current loop per standard practice The voltage shall be maintained all the time in accordance with the guidance given in IEC 60079 14 Caution In general Safety barriers are not necessary but w...

Страница 13: ...m voltage applied to the instrument should be below or equal to Um 28 V Any certified handheld terminal can be connected to the current loop supply of the instrument to communicate and access the vari...

Страница 14: ...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 O...

Страница 15: ...oggle will increase loop current by 0 025mA h To decrease the loop current in steps of 0 025 mA toggle the Switch 3 to Up and Down Each Toggle will decrease loop current by 0 025mA i Ensure current re...

Страница 16: ...e probe extension cable from the probe 3 Connect the Meter Prover to the MS2901E probe connector stem or to the probe extension cable if the MS2901E is remote mounted 4 Loosen the MS2901E Enclosure Lo...

Страница 17: ...fe can be found in Table 1 and is also listed on the Metal Samples probe tag as the Multiplier Figure 6 Metal Samples Probe Tag Figure 7 illustrates the relationship between Loop Current and Metal Los...

Страница 18: ...nterval that is too long may give results that are insensitive 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 se...

Страница 19: ...urrent Current values are shown in the table below Direction Values percent of range Values mA or V Linear over range Down 0 6 0 1 3 89 to 3 92 mA Up 105 0 1 0 20 64 to 20 96 mA Device malfunction ind...

Страница 20: ...is in good condition Then thread the enclosure lid onto the base fully Once the lid has been threaded into place tighten the Lock Screw to prevent unauthorized tampering Figure 10 Enclosure Lock Scre...

Страница 21: ...ry Annually Inspect the probe connector o ring for any signs of damage Replace as necessary Annually Inspect all electrical connections for signs of corrosion mechanical damage or foreign matter that...

Страница 22: ...AIBLES One Device Variable is implemented Meaning Units DV Loop Current mA DYNAMIC VARIABLES One Dynamic Variable is implemented Meaning Units PV Metal Loss mils 1 Power Up On power up the transmitter...

Страница 23: ...t 4 More Status Available is set whenever any failure is detected Byte Bit Description Class Device Status bits Set 0 0 PV out of Limits 1 Not Used 2 Analog Output Saturated 3 Analog output Current Fi...

Страница 24: ...Set 6 0 Not Used 1 Not Used 2 Not Used 3 Not Used 4 Not Used 5 Not Used 6 Not Used 7 Not Used Device Operating Mode Not used bits are always set to 0 Byte Bit Description Class Devie Status bits Set 7...

Страница 25: ...Dynamic Variable class 9 Read Dynamic Variable with Status 11 Read UID Associated with Tag 12 Read Message 13 Read Tag Descriptor Date 14 Read Transducer Information 15 Read Device Information 16 Read...

Страница 26: ...set Device 44 Write PV Units 45 Trim Loop Zero 46 Trim Loop Gain Fixed Current Mode Fixed current mode is implemented using Command 40 This mode is cleared by power loss or reset Burst Mode This field...

Страница 27: ...193 Read probe Life 195 Enter Access Password 196 Write New Access Password 197 Disable Password 198 Write Alarm Mode 199 Read Alarm Mode 200 Write HART Serial Number 201 Write Serial Number 202 Read...

Страница 28: ...nd Specific Response Code Code Class Description 0 Success No Command Specific Errors 7 Error Write Protection 11 Error Entered Value not Valid Command 191 Read Probe Type This command allows the mast...

Страница 29: ...ific Response Code Code Class Description 0 Success No Command Specific Errors 5 Error Too few Data bytes Received 7 Error Write Protection 11 Error Entered Value not Valid Command 193 Read Probe Life...

Страница 30: ...te Format Description None Unsigned Char 8 As ASCII Password Command Specific Response Code Code Class Description 0 Success No Command Specific Errors 5 Error Too few Data bytes Received 16 Error Acc...

Страница 31: ...e Command 197 Disable Password This command allows the master to reset disable the password entry Request Bytes Byte Format Description 0 Unsigned Char 1 As ASCII Disable Password 0 Password access Le...

Страница 32: ...Format Description 0 Unsigned Char Alarm Mode Command Specific Response Code Code Class Description 0 Success No Command Specific Errors 5 Error Too few Data bytes Received 7 Error Write Protection N...

Страница 33: ...Number First 3 bytes consists of serial number and 4th byte consists of hardware revision level Level 2 password entry is required Request Bytes Byte Format Description 0 3 Unsigned Char HART Serial N...

Страница 34: ...ber Command Specific Response Code Code Class Description 0 Success No Command Specific Errors 5 Error Too few Data bytes Received 7 Error Write Protection Note Default Value Command 202 Read MS Seria...

Страница 35: ...fic Response Code Code Class Description 0 Success No Command Specific Errors 5 Error Too few Data bytes Received 7 Error Write Protection Command 204 Read Commission Date This command allows the mast...

Страница 36: ...password entry is required Request Bytes Byte Format Description Change Parameters to Factory Defaults Response Bytes Byte Format Description Change Parameters to Factory Defaults Command Specific Re...

Страница 37: ...ar as an RS 232 com port to Windows and your HART software A rugged design makes MicroLink an ideal choice for field engineers and technicians who service HART devices in an industrial environment Mic...

Страница 38: ...r to uninstall the driver from your system With the modem connected to the USB port locate the MicroLink modem in the Device Manager hardware tree under Ports COM LPT Right click on MicroLink HART Pro...

Страница 39: ...the window Unplug the MicroLink modem from the USB port and then reconnect it to allow Windows to update the USB device parameters Click OK again to close the Properties window d Software setup Make...

Страница 40: ...36 MicroLink HART modem connected across the HART device MicroLink HART modem connected across the HART device...

Страница 41: ...robe being used Confirm the probe 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...

Страница 42: ...ntrol 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 instrument...

Страница 43: ...wn 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 a...

Страница 44: ...vision Date Changes 0 10 23 20 Initial Release A 01 14 2021 Comments in French corrected B 09 28 2021 Updated Switch Settings HART Modem and DD file info added C 04 25 2022 Updated HART DD details D 0...

Страница 45: ...41 Appendix B Hazardous Area Certification Details...

Страница 46: ...42...

Страница 47: ...43...

Страница 48: ...44...

Страница 49: ...45...

Страница 50: ...46...

Страница 51: ...47...

Страница 52: ...48 Appendix C Drawings A Wiring Diagrams Control Drawing Hazardous Area Wiring Diagram...

Страница 53: ...01E MS2951E HIGH RESOLUTION ER 4 20mA TRANSMITTER F 2 3 V V J2 J2 S1 2 1 S1 J2 ER Probe Simple Device Sold Separately OR Probe Cable Assembly Sold Separately ER Probe Simple Device Sold Separately CN2...

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