Micro Motion 1500, 2500 Operating Manual

Installation Manual

20001685, Rev DB

Micro Motion® Model 1500 and Model 2500

Installation Manual

May 2015

Safety messages

Safety messages are provided throughout this manual to protect personnel and equipment. Read each safety message carefully
before proceeding to the next step.

Emerson Flow customer service

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Saudi Arabia 800 844 9564

UAE 800 0444 0684

Contents

Contents

Chapter 1 Planning ...........................................................................................................................1

1.1 Meter components .........................................................................................................................1

1.2 Installation types ............................................................................................................................1

1.3 Maximum cable lengths between sensor and transmitter ...............................................................3

1.4 Output options ...............................................................................................................................4

1.5 Environmental limits ...................................................................................................................... 5

1.6 Hazardous area classifications ........................................................................................................ 5

1.7 Power requirements .......................................................................................................................5

Chapter 2 Mounting and sensor wiring for 4-wire remote installations .............................................7

2.1 Mounting the transmitter to a DIN rail ............................................................................................7

2.2 Prepare the 4-wire cable .................................................................................................................8

2.3 Wire the transmitter to the sensor ................................................................................................11

2.4 Ground the flowmeter components ............................................................................................. 12

Chapter 3 Mounting and sensor wiring for remote core processor with remote sensor

installations ................................................................................................................... 13

3.1 Mounting the transmitter to a DIN rail ..........................................................................................13

3.2 Mount the remote core processor ................................................................................................ 14

3.3 Prepare the 4-wire cable ...............................................................................................................15

3.4 Wire the transmitter to the remote core processor ...................................................................... 18

3.5 Prepare the 9-wire cable ...............................................................................................................19

3.6 Wire the remote core processor to the sensor using jacketed cable ..............................................25

3.7 Wire the remote core processor to the sensor using shielded or armored cable ........................... 28

3.8 Ground the meter components ....................................................................................................32

Chapter 4 Wiring the power supply ................................................................................................34

4.1 Wire the power supply ................................................................................................................. 34

Chapter 5 I/O wiring for Model 1500 transmitters .......................................................................... 35

5.1 Basic analog wiring .......................................................................................................................35

5.2 HART/analog single loop wiring ....................................................................................................35

5.3 HART multidrop wiring .................................................................................................................36

5.4 Internally powered frequency output wiring .................................................................................37

Chapter 6 I/O wiring for Model 2500 transmitters .......................................................................... 38

6.1 mA/HART wiring .......................................................................................................................... 38

6.2 Frequency output wiring .............................................................................................................. 40

6.3 Discrete output wiring ................................................................................................................. 43

6.4 Discrete input wiring .................................................................................................................... 46

Chapter 7 Specifications .................................................................................................................47

7.1 Electrical connections .................................................................................................................. 47

7.2 Input/output signals .....................................................................................................................48

7.3 Environmental limits .................................................................................................................... 51

7.4 Physical specifications .................................................................................................................. 52

Index ................................................................................................................................................. 55

Installation Manual i

Contents

ii Micro Motion® Model 1500 and Model 2500

1 Planning

Topics covered in this chapter:

• Meter components

• Installation types

• Maximum cable lengths between sensor and transmitter

• Output options

• Environmental limits

• Hazardous area classifications

• Power requirements

1.1 Meter components

The transmitter is one component of a Micro Motion device. The other major component
is the sensor.

Planning

A third component, called the core processor, provides additional memory and processing
functions.

1.2 Installation types

The transmitter was ordered and shipped for one of three installation types. The fifth
character of the transmitter model number indicates the installation type.

Installation type indication for Model 1500 and Model 2500 transmittersFigure 1-1:

The model number is located on the device tag on the side of the transmitter.

Installation types for Model 1500 and Model 2500 transmittersTable 1-1:

Model code Description

D 4-wire remote 35 mm DIN rail

E 4-wire remote 35 mm DIN rail transmitter with 9-wire remote enhanced core

processor

B 4-wire remote 35 mm DIN rail with 9-wire remote core processor

Installation Manual 1

Planning

4-wire remote installation (model code D)Figure 1-2:

The transmitter is installed remotely from the sensor. The 4-wire connection between the sensor and
transmitter must be field wired. Power supply and I/O must be field wired to the transmitter.

A

B

C

D

A. Transmitter
B. Field-wired 4-wire connection
C. Core processor
D. Sensor

A

SENSOR

B

ZERO

4

A

- +

3 2 1

ST

A
TUS

OUTPUTS

+

A

2

-

1

2

+ B -

2

+ C -

2

31

3

24

A4B5 B

32

33

SUPP

34

24 VDC

L

1

Y

1

12

1
3

14

A

2 Micro Motion® Model 1500 and Model 2500

Planning

Figure 1-3:

Remote core processor with remote sensor installation (model code B or
E)

The transmitter, core processor, and sensor are all mounted separately. The 4-wire connection between
the transmitter and core processor must be field wired. The 9-wire connection between the core processor
and the sensor must be field wired. Power supply and I/O must be field wired to the transmitter. This
configuration is sometimes called double-hop.

A

B

SENSOR

B

ZERO

4

A - +
3 2 1

STA

TUS

OUTPUTS

+

A

2

-

1 2

+ B -

2

+ C -

2

31

3

24

A4B5 B

32

33

C

D

A. Transmitter
B. Field-wired 4-wire connection
C. Junction box
D. Sensor
E. Core processor
F. Field-wired 9-wire connection

SUPP

34

24 VDC

L

1

Y

1

12

1
3

14

E

F

1.3 Maximum cable lengths between sensor and
transmitter

The maximum cable length between the sensor and transmitter that are separately
installed is determined by cable type.

Maximum cable lengths between sensor and transmitterTable 1-2:

Cable type Wire gauge Maximum length

Micro Motion 4-wire Not applicable • 1000 ft (300 m) without Ex-

approval

• 500 ft (150 m) with IIC rat-

ed sensors

• 1000 ft (300 m) with IIB rat-

ed sensors

Micro Motion 9-wire Not applicable 60 ft (20 m)

User-supplied 4-wire VDC 22 AWG (0.35 mm2) 300 ft (90 m)

Installation Manual 3

Planning

Maximum cable lengths between sensor and transmitter (continued)Table 1-2:

Cable type Wire gauge Maximum length

1.4 Output options

The transmitter was ordered and shipped for one of up to three output options. You must
know your transmitter output option to correctly install the transmitter. The eighth
character of the transmitter model number indicates the output option.

VDC 20 AWG (0.5 mm2) 500 ft (150 m)

VDC 18 AWG (0.8 mm2) 1000 ft (300 m)

RS-485 22 AWG (0.35 mm2) or
larger

1000 ft (300 m)

Figure 1-4:

Output option model code indication for Model 1500 and Model 2500
transmitters

The model number is located on the device tag on the side of the transmitter.

Output options for Model 1500 transmittersTable 1-3:

Model code Description

A One mA, one frequency, RS-485

(1)

C

(1) Output code C on the Model 1500 transmitter is used only with the filling and dosing application.

One mA, two DO, RS-485

Output options for Model 2500 transmittersTable 1-4:

Model code Description

B One mA, two configurable I/O channels, RS-485 – default configuration of two

mA, one FO

C One mA, two configurable I/O channels, RS-485 – custom configuration

4 Micro Motion® Model 1500 and Model 2500

1.5 Environmental limits

Environmental specificationsTable 1-5:

Type Value

Ambient temperature limits
(Operating)

Ambient temperature limits
(Storage)

Humidity limits 5 to 95% relative humidity, non-condensing at 140 °F (60 °C)

Vibration limits Meets IEC 60068-2-6, endurance sweep, 5 to 2000 Hz, 50 sweep

EMI effects Complies with EMC Directive 2004/108/EC per EN 61326 Indus-

Ambient temperature effect
(analog output option)

–40 to +131 °F (–40 to +55 °C)

–40 to +185 °F (–40 to +85 °C)

cycles at 1.0 g

trial

Complies with NAMUR NE-21 (22.08.2007)

On mA output: ±0.005% of span per °C

Planning

1.6 Hazardous area classifications

If you plan to mount the transmitter in a hazardous area:

• Verify that the transmitter has the appropriate hazardous area approval. Each

transmitter has a hazardous area approval tag attached to the transmitter housing.

• Ensure that any cable used between the transmitter and the sensor meets the

hazardous area requirements.

1.7 Power requirements

The transmitter must be connected to a DC voltage source.

• Minimum 19.2 to 28.8 VDC

• 6.3 watts

• Meets Installation (Overvoltage) Category II, Pollution Degree 2 requirements

Installation Manual 5

M = 19.2V + (R × L × 0.33A)

Planning

Cable sizing formulaFigure 1-5:

A. M: minimum supply voltage
B. R: cable resistance
C. L: cable length

Typical power cable resistance at 68 °F (20 °C)Table 1-6:

Wire gauge Resistance

14 AWG 0.0050 Ω/ft

16 AWG 0.0080 Ω/ft

18 AWG 0.0128 Ω/ft

20 AWG 0.0204 Ω/ft

2.5 mm

1.5 mm

1.0 mm

0.75 mm

0.50 mm

2

2

2

2

2

0.0136 Ω/m

0.0228 Ω/m

0.0340 Ω/m

0.0460 Ω/m

0.0680 Ω/m

6 Micro Motion® Model 1500 and Model 2500

C

B

A

Mounting and sensor wiring for 4-wire remote installations

2 Mounting and sensor wiring for 4-

wire remote installations

Topics covered in this chapter:

• Mounting the transmitter to a DIN rail

• Prepare the 4-wire cable

• Wire the transmitter to the sensor

• Ground the flowmeter components

2.1 Mounting the transmitter to a DIN rail

The transmitter is designed to be mounted on a 35 mm DIN rail. The DIN rail must be
grounded.

Mounting the transmitterFigure 2-1:

A. Spring clamp
B. DIN rail
C. Spring clamp release loop

2.1.1 Mounting multiple transmitters

If the ambient temperature is above 113 °F (45 °C) and you are mounting multiple
transmitters, mount the transmitters so they are at least 0.39 in (10 mm) apart.

Installation Manual 7

A

B

Mounting and sensor wiring for 4-wire remote installations

Mounting multiple transmittersFigure 2-2:

A. 0.39 in or greater (10 mm or greater)
B. End bracket or end stop; 0.33 in (8.5 mm) minimum spacing

2.2 Prepare the 4-wire cable

Important

For user-supplied cable glands, the gland must be capable of terminating the drain wires.

Note

If you are installing unshielded cable in continuous metallic conduit with 360º termination shielding,
you only need to prepare the cable – you do not need to perform the shielding procedure.

8 Micro Motion® Model 1500 and Model 2500

Mounting and sensor wiring for 4-wire remote installations

4-wire cable preparationFigure 2-3:

Remove the core processor

cover

Cable glands

Micro Motion

cable gland

Pass the wires through the gland nut and clamping insert.

Gland nut

1. Strip 4-1/2 inch (115 mm) of cable jacket.

2. Remove the clear wrap and filler material.

3. Strip all but 3/4 inch (19 mm) of shielding.

Clamping
insert

NPT

Wrap the drain wires twice around the shield and cut off

Gland supplier

Gland type

the excess drain wires.

Cable layout

through the gland.

Terminate the drain

wires inside the

M20

1. Strip 4-1/4 inch (108 mm) of cable jacket.

2. Remove the clear wrap and filler material.

3. Strip all but 1/2 inch (12 mm) of shielding.

User-supplied

cable gland

Pass the wires

gland.

Metal conduit

Run conduit to

sensor

Lay cable in conduit

Done

(do not perform the

shielding procedure)

Drain wires
wrapped around
shield

Go to the shielding

procedure

Installation Manual 9

Mounting and sensor wiring for 4-wire remote installations

4-wire cable shieldingFigure 2-4:

From the preparation

procedure

Micro Motion

cable gland

Braided

(armored cable)

Apply the Heat Shrink

1. Slide the shielded heat shrink over the drain wires. Ensure that the
wires are completely covered.

2. Apply heat (250 °F or 120 °C) to shrink the tubing. Do not burn the
cable.

3. Position the clamping insert so the interior end is flush with the braid
of the heat shrink.

Assemble the Gland

1. Fold the shield or braid back over the clamping insert and 1/8 inch
(3 mm) past the O-ring.

2. Install the gland body into the conduit opening on the core processor housing.

3. Insert the wires through gland body and tighten the gland nut onto the gland body.

Cable shield

type

Shielded heat
shrink

Foil

(shielded cable)

NPT

Gland supplier

Gland type M20

After heat applied

User-supplied

cable gland

Trim 7 mm from the shielded

heat shrink

Trim

Terminate the shield

and drain wires in the

Assemble the gland

according to vendor

gland

instructions

Shield folded back

Done

Gland body

2.2.1 4-wire cable types and usage

Micro Motion offers two types of 4-wire cable: shielded and armored. Both types contain
shield drain wires.

The 4-wire cable supplied by Micro Motion consists of one pair of red and black 18 AWG
(0.75 mm2) wires for the VDC connection, and one pair of white and green 22 AWG
(0.35 mm2) wires for the RS-485 connection.

10 Micro Motion® Model 1500 and Model 2500

Mounting and sensor wiring for 4-wire remote installations

User-supplied 4-wire cable must meet the following requirements:

• Twisted pair construction.

• Applicable hazardous area requirements, if the core processor is installed in a

hazardous area.

• Wire gauge appropriate for the cable length between the core processor and the

transmitter.

Wire gaugeTable 2-1:

Wire gauge Maximum cable length

VDC 22 AWG (0.35 mm2) 300 ft (90 m)

VDC 20 AWG (0.5 mm2) 500 ft (150 m)

VDC 18 AWG (0.8 mm2) 1000 ft (300 m)

RS-485 22 AWG (0.35 mm2) or larger 1000 ft (300 m)

2.3 Wire the transmitter to the sensor

1. Connect the cable to the sensor-mounted core processor as described in the sensor
documentation.

2. Connect the four wires from the core processor to terminals 1–4 on the transmitter.

Important

Do not ground the shield, braid, or drain wires at the transmitter.

Installation Manual 11

RS-485B

RS-485A

VDC –

VDC+

Mounting and sensor wiring for 4-wire remote installations

Terminal connections for 4-wire cableFigure 2-5:

2.4 Ground the flowmeter components

In 4-wire remote installations, the transmitter and sensor are grounded separately.

Prerequisites

CAUTION!

Improper grounding could cause inaccurate measurements or meter failure.

Note

For hazardous area installations in Europe, refer to standard EN 60079-14 or national standards.

If national standards are not in effect, adhere to the following guidelines for grounding:

• Use copper wire, 14 AWG (2.5 mm2) or larger wire size.

• Keep all ground leads as short as possible, less than 1 Ω impedance.

• Connect ground leads directly to earth, or follow plant standards.

Procedure

1. Ground the sensor according to the instructions in the sensor documentation.

2. Ground the DIN rail.

The rail clip in the base of the transmitter housing grounds the transmitter to the
DIN rail.

12 Micro Motion® Model 1500 and Model 2500

C

B

A

Mounting and sensor wiring for remote core processor with remote sensor installations

3 Mounting and sensor wiring for

remote core processor with remote
sensor installations

Topics covered in this chapter:

• Mounting the transmitter to a DIN rail

• Mount the remote core processor

• Prepare the 4-wire cable

• Wire the transmitter to the remote core processor

• Prepare the 9-wire cable

• Wire the remote core processor to the sensor using jacketed cable

• Wire the remote core processor to the sensor using shielded or armored cable

• Ground the meter components

3.1 Mounting the transmitter to a DIN rail

The transmitter is designed to be mounted on a 35 mm DIN rail. The DIN rail must be
grounded.

Mounting the transmitterFigure 3-1:

A. Spring clamp
B. DIN rail
C. Spring clamp release loop

Installation Manual 13

A

B

Mounting and sensor wiring for remote core processor with remote sensor installations

3.1.1 Mounting multiple transmitters

If the ambient temperature is above 113 °F (45 °C) and you are mounting multiple
transmitters, mount the transmitters so they are at least 0.39 in (10 mm) apart.

Mounting multiple transmittersFigure 3-2:

A. 0.39 in or greater (10 mm or greater)
B. End bracket or end stop; 0.33 in (8.5 mm) minimum spacing

3.2 Mount the remote core processor

This procedure is required only for remote core processor with remote transmitter
installations.

Prerequisites

For mounting the remote core processor to a wall:

• Micro Motion recommends the use of 5/16-18 (8 mm–1.25) fasteners that can

withstand the process environment. Micro Motion does not supply bolts or nuts as
part of the standard offering (general purpose bolts and nuts are available as an
option).

• Ensure that the surface is flat and rigid, does not vibrate, or move excessively.

• Confirm that you have the necessary tools, and the mounting kit shipped with the

transmitter.

For mounting the remote core processor to an instrument pole:

• Use two 5/16-inch U-bolts for 2-inch pipe, and four matching nuts, that can

withstand the process environment. Micro Motion does not supply U-bolts or nuts.

14 Micro Motion® Model 1500 and Model 2500