Dimensions

Detailed dimension drawings for given transmitter series and types are

listed in the back of the Installation Guide (Part number 34-ST-33-39)

for reference. Note that abbreviated overall dimensions are also shown

in the Specification Sheets for the given transmitter models.

This section assumes that the mounting dimensions have already been

taken into account and the mounting area can accommodate the

transmitter.

Bracket mounting

Table 9 summarizes typical steps for mounting a transmitter to a

bracket.

Table 9

Mounting ST 3000 Transmitter to a Bracket

Step

Action

1

If you are using an…

Then…

optional mounting bracket

go to Step 2.

existing mounting bracket

go to Step 3.

U-Bolt

Mounting

Bracket

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27

Bracket mounting,

continued

Table 9

Mounting ST 3000 Transmitter to a Bracket, continued

Step

Action

3

Align appropriate mounting holes in transmitter with holes in bracket

and secure with bolts and washers provided.

If transmitter is …

Then …

DP type with double ended

use alternate mounting

process heads and/or

holes in end of heads.

remote seals

GP and AP with single-

use mounting holes in side

ended head

of meter body.

In-lineGP and AP

use smaller “U” bolt

(STGxxL and STAxxL)

provided to attach meter

body to bracket.

See figure below.

Dual-headGP and AP

use mounting holes in end

of process head.

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Bracket mounting,

continued

Table 9

Mounting ST 3000 Transmitter to a Bracket, continued

4

Loosen set screw on outside neck of transmitter one full turn. Rotate

electronics housing a maximum of 180 degrees in left or right

direction from center to the position you require and tighten set screw

(13 to 15 lb-in/1.46to 1.68 N.m).

Example - Rotating electronics housing.

Electronics

180 degrees

Housing

180 degrees

max.

max.

Set Screw

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ATTENTION

The mounting position of a model STA122, STA922, STA12L, or

STA92L Absolute Pressure Transmitter or a model STD110 Draft

Range Differential Pressure Transmitter is critical as the transmitter

spans become smaller. A maximum zero shift of 2.5 mm Hg for an

absolute transmitter or

1.5 inH2O for a draft range transmitter can result from a mounting

position which is rotated 90 degrees from vertical. A typical zero shift of

0.12 mm Hg or 0.20 in H2O can occur for a 5 degree rotation from

vertical.

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Table 10

Zero Corrects Procedure for STD110

Step

Action

1

Attach the transmitter to the mounting bracket but do not completely

tighten the mounting bolts

2

Connect a tube between the input connections in the high pressure

(HP) and low pressure (LP) heads to eliminate the affects of any

surrounding air currents.

3

Connect 24 Vdc power to the transmitter and connect a digital

voltmeter or SFC to read the transmitter’s output. See Figures 18

and 38 for typical SFC connection or connect a voltmeter across the

250 ohm resistor, if desired.

4

Use the SFC and establish communications with the transmitter.

Follow the steps in Table 17, if needed.

5

While reading the transmitter’s output on an SFC or a voltmeter,

position the transmitter so the output reading is at or near zero and

then completely tighten the mounting bolts.

6

Perform an input zero correct function using the SFC and following

the steps below. This corrects the transmitter for any minor error that

may occur after the mounting bolts are tightened.

7

^

Initiate shift key selection. Press

SHIFT

key

INPUT

J

OUT-

Press

PUT

key. Read applied input pressure.

RESET

COR-K

Press

RECT

key. Prompt asks if the applied input pressure equals

zero input. If it is zero input, go to next keystroke. If it is not, press

[CLR] key to exit function and repeat keystrokes.

NON-VOL

ENTER

Press

(Yes)

key. Zero input is set equal to applied input pressure.

8

Remove the tube from between the input connections, the power,

and the digital voltmeter or SFC.

9

Continue with the remaining installation tasks.

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Variable

Reference

Head H1

Leg

Minimum Level

HP Side

LP Side vented

mounted

to tank

to atmosphere

Continued on next page

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33

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Process Pipe

1/2' NPT

Connection

Free psd 3d letters. 6/08

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35

IF the fill fluid is…

THEN mount the flange…

Silicone DC 200 Oil

no greater than 22 feet (6.7 meters)

below the transmitter

Silicone DC 704 Oil

no greater than 19 feet (5.8 meters)

below the transmitter

Chlorotrifluorethylene

no greater than 11 feet (3.4 meters)

below the transmitter.

head effect should not exceed 9 psi (300 mm Hg) absolute.

Table 11

Mounting Remote Diaphragm Seal Transmitter

Step

Action

1

Mount transmitter at a remote distance determined by length of

capillary tubing.

2

If Transmitter Model

Then Connect Remote

Number is…

Seal on…

STR93D or STR12D

high pressure (HP) side of

transmitter to lower flange

mounting on tank wall for

variable head H1.

STR13D

low pressure (LP) side of

transmitter to lower flange

mounting on tank wall for

variable head H1.

ATTENTION

On insulated tanks, remove enough insulation to

accommodate the flange extension.

Continued on next page

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Table 11

Mounting Remote Diaphragm Seal Transmitter, continued

Step

Action

3

If Transmitter Model

Then Connect Remote

Number is…

Seal on…

STR93D or STR12D

low pressure (LP) side of

transmitter to upper flange

mounting on tank wall for

fixed or constant head H2.

STR13D

high pressure (HP) side of

transmitter to upper flange

mounting on tank wall for

fixed or constant head H2.

ATTENTION

On insulated tanks, remove enough insulation to

accommodate the flange extension.

4

It is the End User’s responsibility to provide a flange gasket and

mounting hardware that are suitable for the transmitter’s service

condition

Figure 13

Typical Remote Diaphragm Seal Transmitter Installation.

HP Side

- Model STR13D

Maximum Level

H2

Variable

Fixed

Ref. Leg

Head H1

Minimum Level

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To Downstream Tap

To Upstream Tap

Blow-Down

3-Valve

Blow-Down

Valve

Manifold

Valve

Blow-Down

Blow-Down

Piping

Piping

To Low Pressure

To High Pressure

Side of Transmitter

Side of Transmitter

To Waste

To Waste

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Piping arrangements,

Another piping arrangement uses a block-offvalve and a tee connector in

continued

the process piping to the transmitter as shown in Figure 15.

Figure 15

Typical Piping Arrangement for ½” NPT Process Connection

Tank Wall

1/2' NPT

Connection

Transmitter location

Table 12 lists the mounting location for the transmitter depending on the

process.

Table 12

Suggested Transmitter Location for Given Process

Process

Suggested Location

Explanation

Gases

Above the gas line

The condensate drains away from

the transmitter.

Liquids

1. Below but close to the

1. This minimizes the static head

elevation of the process

effect of the condensate.

connection.

2. Level with or above the

2. This requires a siphon to

process connection.

protect the transmitter from

process steam. The siphon

retains water as a “fill fluid.”

For liquid or steam, the piping should slope a minimum of 25.4 mm

ATTENTION

(1 inch) per 305 mm (1 foot). Slope the piping down towards the

transmitter if the transmitter is below the process connection so the

bubbles may rise back into the piping through the liquid. If the

transmitter is located above the process connection, the piping should rise

vertically above the transmitter; then slope down towards the flowline

with a vent valve at the high point. For gas measurement, use a

condensate leg and drain at the low point (freeze protection may be

required here).

See Appendix B for some suggested freeze protection solutions.

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Care must be taken when installing transmitters on hot processes. The

ATTENTION

operating temperature limits for the device (as outlined in Table 5) must

not be exceeded. Impulse piping may be used to reduce the temperature

of the process that comes into contact with the transmitter meter body.

As a general rule there is a 56 degree C drop (100 degree F) in the

temperature of the process for every foot of ½ inch uninsulated piping.

Process connections Table 13 describes typical process connections for a given type of

transmitter.

Table 13

Process Connections

Transmitter Type

Process Connection

Differential

•

Process heads with 1/4-inchNPT female connection.

Pressure

•

Flange adapters and manifolds with 1/2-inchfemale

connection are optional.

• Models with pseudo flange on one side include 2- or 3-

inch ANSI class 150 flange.

Gauge Pressure

•

Process head with 1/2-inchNPT female connection

(Series 100).

• In-line1/2-inchNPT female connection (STGxxL).

• In-line½ inch NPT male

•

9/16 AMINCO

•

DIN 19213

• Process heads with 1/4-inchNPT female connection

(STG9x4).

• Flange adapters and manifolds with 1/2-inchfemale

connections are optional (STG9x4).

• 2-inchSanitaryTri-Clamp(STGxxT)

• Flush mount in 1-inchweld sleeve, withO-ringand

locking bolt (STGxxP).

Absolute Pressure

•

Process head with 1/2-inchNPT female connection.

(STAx22, x40).

• In-line½ inch NPT male

•

9/16 AMINCO

•

DIN 19213

Flange Mounted

•

Small flange 1/2-inch,1-,1 ½ - and2-inch(STFxxT)

Liquid Level

•

2, 3- or 4-inchflange with flush or2-,4- or6-inch

extended diaphragm (See Table 14) on high pressure

side.*

• DN 50, 80, or 100 PN 40 flange with flush or 2, 4 or 6

inch extended diaphragm (See Table 14) on High

Pressure Side*.

Remote

See Model Selection Guide for description of available

Diaphragm Seals

Flanged, Threaded, Chemical Tee, Saddle, and Sanitary

process connections.

* Reference side has standard differential pressure process head.

Continued on next page

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Flange descriptions

Table 14 describes the available flange connections for flange mounted

liquid level transmitters.

Table 14 Flange Description

Transmitter Type

Description

Flush or Extended

2-inch150#serrated–faceflange with 4 holes 19 mm (3/4 in) diameter on 120.7

Diaphragm

mm (4.75 in) diameter bolt circle and an outside diameter of 150 mm (5.91 in).

2-inch150#serrated–faceflange with 8 holes 19 mm (3/4 in) diameter on 127 mm

(5.00 in) diameter bolt circle and an outside diameter of 165 mm (6.50 in).

3-inch150#serrated–faceflange with 4 holes 19 mm (3/4 in) diameter on 152.4

mm (6.00 in) diameter bolt circle and an outside diameter of 190 mm (7.48 in).

3-inch300#serrated–faceflange with 8 holes 22.2 mm (7/8 in) diameter on 168.3

mm (6.62 in) diameter bolt circle and an outside diameter of 210 mm (8.27 in).

4-inch150#serrated–faceflange with 4 holes 19 mm (3/4 in) diameter on 190.5

mm (7.50 in) diameter bolt circle and an outside diameter of 230 mm (9.05 in).

4-inch300#serrated–faceflange with 8 holes 22.2 mm (7/8 in) diameter on 255

mm (10.04 in) diameter bolt circle and an outside diameter of 200 mm (7.87 in).

DN 50 PN 40 serrated–faceflange with 4 holes 18 mm (0.71 in) diameter on 125

mm (4.92 in) diameter bolt circle and an outside diameter of 165 mm (6.50 in).

DN 80 PN 40 serrated–faceflange with 8 holes 18 mm (0.71 in) diameter on 160

mm (6.30 in) diameter bolt circle and an outside diameter of 200 mm (7.87 in).

DN 100 PN 40 serrated–faceflange with 8 holes 22 mm (0.87 in) diameter on 190

mm (7.48 in) diameter bolt circle and an outside diameter of 235 mm (9.25 in).

Pseudo Flange Head

2-inch,150 lbsserrated-faceflange with 4 holes 15.9 mm (5/8 in) diameter on

120.6 mm (4-3/4in) diameter bolt circle and an outside diameter of 152.4 mm (6

in).

3-inch,150 lbsserrated-faceflange with 4 holes 19 mm (3/4 in) diameter on 152

mm (6 in) diameter bolt circle and an outside diameter of 190 mm (7-1/2in).

Flush Mount

25.4 mm (1” pipe mount) (316L SS standard option.)

Gauge STG93P

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Step

Action

Process

Head

Filter Screen

Teflon Gasket

Flange Adapter

7/16 x 20 Bolts

21011

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Summary

The transmitter is designed to operate in a two-wirepower/current loop

with loop resistance and power supply voltage within the operating

range shown in Figure 16.

Figure 16

Operating Range for ST 3000 Transmitters.

1440

1200

= Operating

Area

Loop

NOTE: A minimum of

800

250 0hms of loop

Resistance

resistance is

(ohms)

necessary to support

650

communications. Loop

resistance equals

barrier resistance plus

450

wire resistance plus

receiver resistance.

Also 45 volt operation

250

is permitted if not an

intrinsically safe

installation.

0

10.8

16.28

20.63 25

28.3

37.0

42.4

Operating Voltage (Vdc)

21012

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ST 3000 Release 300 and SFC Model STS103 User’s Manual

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Summary, continued

Barriers can be installed per manufacturer’s instructions for transmitters

to be used in intrinsically safe applications.

Figure 17

ST 3000 Transmitter Terminal Block

Terminal

Electronics

Terminal

Electronics

Housing

Housing

Block

Block

+

SIGNAL

-

SIGNAL

SIGNAL-

+

-

+

+ - TEST

METER

L-

+

TEST

-

-

+

Internal

Internal

Ground

Ground

Terminal

Terminal

3-ScrewTerminal Block

5-ScrewTerminal Block

Lightning Protection Option (LP)

TPS reference

Transmitters that are to be digitally integrated to Honeywell’s TPS

system will be connected to the Smart Transmitter Interface Module in

the Process Manager, Advanced Process Manager or High Performance

Process Manager through a Field Termination Assembly. Details about

the TPS system connections are given in the PM/APM Smartline

What is Crack Addiction? Crack cocaine is a highly potent and addictive stimulant processed from powdered cocaine and made to look like a rock crystal. Crack produces effects similar to that of powdered cocaine but comes with a higher number of health risks including lung trauma and bleeding. Crack is a drug that is conducive to bingeing for many addicts. The reason, as mentioned, is the short amount of time the high lasts. This can lead someone who is addicted to the drug to take it repeatedly in a short window of time, at higher and higher doses. Often, crack users stop caring about their personal appearance or the cleanliness of their homes. You may notice his person looks unkempt and doesn't smell as clean as they normally do. Within the home, you may notice a build up of trash, dishes, and laundry. Drug paraphernalia may also be scattered around for easier access.

Transmitter Integration Manual PM12-410which is part of the TDC

3000X system bookset.

Allen-BradleyPLC

If you are digitally integrating the ST 3000 to an Allen Bradley PLC, the

same FTA and wiring procedures used with Honeywell’s TPS system

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ATTENTION

•

All wiring must comply with local codes, regulations, and

•

ordinances.

If you will be using the transmitter in a hazardous area, be sure to

review the hazardous location reference data included in Appendix

D of this manual before operating the transmitter.

Step

Action

Loop

Power

SIGNAL

+

-

SIGNAL

+

-

+

-

METER

L

+

TEST

-

-

- +

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