Flowserve 520si User Manual

Logix 520 si Digital Positioner

ADK041400E - 04.03

This product meets the requirements of

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Table of Content Page

General information...................................................................................... 3

Unpacking .............................................................................................. 4

Logix 520 si Overview .................................................................................. 5

Specifications .............................................................................................. 5

Principle of operation ................................................................................... 6

Tubing .............................................................................................. 6

Wiring .............................................................................................. 7

Cable Requirements ..................................................................................... 8

Startup .............................................................................................. 8

Local User interface .......................................................................... 8

Configuration .................................................................................... 9

Calibration......................................................................................... 9

Use of 275 Handheld ........................................................................ 10

Use of SoftTools communication software ....................................... 10

Integration of third-party communication software .......................... 10

Error codes .............................................................................................. 12

Trouble shooting .......................................................................................... 15

Spare Part Kits ............................................................................................. 16

Mounting Kits .............................................................................................. 16

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1 USING FLOWSERVE VALVES, ACTUATORS

AND ACCESSORIES CORRECTLY

1.1 Using

The following instructions are designed to assist in
unpacking, installing and performing maintenance as
required on FLOWSERVE products. Product users
and maintenance personnel should thoroughly review
this bulletin prior to installing, operating or perform­ing any maintenance.

In most cases FLOWSERVE valves, actuators and
accessories are designed for specific applications
(e.g. with regard to medium, pressure, temperature).
For this reason they should not be used in other ap­plications without first contacting the manufacturer.

1.2 Terms concerning safety

The safety terms DANGER, WARNING, CAUTION and
NOTE are used in these instructions to highlight par-

ticular dangers and/or to provide additional informa­tion on aspects that may not be readily apparent.

1.3 Protective clothing

FLOWSERVE products are often used in problematic
applications (e.g. extremely high pressures, danger­ous, toxic or corrosive mediums). In particular valves
with bellows seals point to such applications. When
performing service, inspection or repair operations
always ensure, that the valve and actuator are de­pressurised and that the valve has been cleaned and
is free from harmful substances. In such cases pay
particular attention to personal protection (protective
clothing, gloves, glasses etc.).

1.4 Qualified personnel

Qualified personnel are people who, on account of
their training, experience and instruction and their
knowledge of relevant standards, specifications, ac­cident prevention regulations and operating condi­tions, have been authorised by those responsible for
the safety of the plant to perform the necessary work
and who can recognise and avoid possible dangers.

DANGER:

indicates that death, severe personal in­jury and/or substantial property damage will occur if
proper precautions are not taken.

WARNING:

jury and/or substantial property damage can occur if

STOP!

indicates that death, severe personal in-

proper precautions are not taken.

CAUTION:

indicates that minor personal injury and/
or property damage can occur if proper precautions
are not taken.

NOTE:

indicates and provides additional technical
information, which may not be very obvious even to
qualified personnel.

Compliance with other, not particularly emphasised
notes, with regard to transport, assembly, operation
and maintenance and with regard to technical docu­mentation (e.g. in the operating instruction, product
documentation or on the product itself) is essential,
in order to avoid faults, which in themselves might
directly or indirectly cause severe personal injury or
property damage.

1.5 Installation

DANGER:

serial-no. and/or the tag-no. to ensure that the valve/
actuator is correct for the intended application.

Do not insulate extensions that are provided for hot
or cold services.

Pipelines must be correctly aligned to ensure that the
valve is not fitted under tension.

Fire protection must be provided by the user.

Before installation check the order-no,

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1.6 Spare parts

1.9 Valve and actuator variations

Use only FLOWSERVE original spare parts.
FLOWSERVE cannot accept responsibility for any
damages that occur from using spare parts or
fastening materials from other manufactures. If
FLOWSERVE products (especially sealing materials)
have been on store for longer periods check these
for corrosion or deterioration before using these
products. Fire protection for FLOWSERVE products
must be provided by the end user.

1.7 Service / repair

To avoid possible injury to personnel or damage to
products, safety terms must be strictly adhered to.
Modifying this product, substituting nonfactory parts,
or using maintenance procedures other than outlined
in this instruction could drastically affect performance
and be hazardous to personnel and equipment, and
may void existing warranties. Between actuator and
valve there are moving parts. To avoid injury
FLOWSERVE provides pinch-point-protection in the
form of cover plates, especially where side-mounted
positioners are fitted. If these plates are removed for
inspection, service or repair special attention is
required. After completing work the cover plates must
be refitted.

These instructions cannot claim to cover all details
of all possible product variations, nor in particular
can they provide information for every possible
example of installation, operation or maintenance.
This means that the instructions normally include only
the directions to be followed by qualified personal
where the product is being used for is defined
purpose. If there are any uncertainties in this respect
particularly in the event of missing product-related
information, clarification must be obtained via the
appropriate FLOWSERVE sales office.

2 UNPACKING

Each delivery includes a packing slip. When
unpacking, check all delivered valves and accessories
using this packing slip.

Report transport damage to the carrier immediately.

In case of discrepancies, contact your nearest
FLOWSERVE location.

Apart from the operating instructions and the
obligatory accident prevention directives valid in the
country of use, all recognised regulations for safety
and good engineering practices must be followed.

WARNING:

FLOWSERVE for repair or service FLOWSERVE must

STOP!

be provided with a certificate which confirms that the
product has been decontaminated and is clean.
FLOWSERVE will not accept deliveries if a certificate
has not been provided (a form can be obtained from
FLOWSERVE).

1.8 Storage

In most cases FLOWSERVE products are
manufactured from stainless steel. Products not
manufactured from stainless steel are provided with
an epoxy resin coating. This means that FLOWSERVE
products are well protected from corrosion.
Nevertheless FLOWSERVE products must be stored
adequately in a clean, dry environment. Plastic caps
are fitted to protect the flange faces to prevent the
ingress of foreign materials. These caps should not
be removed until the valve is actually mounted into
the system.

Before products are returned to

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3 LOGIX 520 si OVERVIEW

The Logix 520 si is a two-wire, 4-20 mA input digital valve
positioner. The Logix 520 also utilizes the HART protocol to
allow two-way remote communication with the positioner. The
Logix 520 si positioner controls single-acting actuators with
linear and rotary mountings. The Logix 520 si is completely
powered by the 4-20 mA input signal. The minimum input
signal required to function is 3,6 mA.

Since the positioner is insensitive to supply pressure changes
and can handle supply pressures from 1,5 to 6 barg (22 to 87
psig), a supply regulator is usually not required; however, in
applications where the supply pressure is higher than the

4 SPECIFICATIONS

Table 1: Input Signal

Input Signal Range 4 - 20 mA
(with HART)

Compliance Voltage 12,0 VDC
(with HART signal)

maximum actuator pressure rating a supply regulator is re­quired to lower the pressure to the actuator’s maximum rat­ing (not to be confused with operating range). A coalescing
air filter is recommended for all applications due to the close
tolerances in the positioner.

NOTE:

The air supply must conform to ISA 7.0.01or
IEC 770 (a dew point at least 10 ˚C / 18 ˚F below
ambient temperature, particle size below five microns
– one micron recommended – and oil content not to
exceed one part per million).

Table 5: Performance

Characteristics (typical)

Linearity < ± 1,0%
Resolution < 0,1%

Repeatability < 0,2%
Voltage Supply (maximum) 30 VDC
Minimum Required 3,6 mA

Operating Current

Table 2: Stroke Output

Feedback Shaft 0° to 90° normal
Rotation 0° to 40° minimum

Table 3: Supply Air

Supply Air Quality Free from moisture, oil and

dust per IEC 770 and ISA-7.0.01
Input Pressure Range 1,5 to 6,0 bar (22 – 87 psi)
Air Consumption 0,08 Nm3/h @ 1,5 bar

(steady state) 0,047 SCFM @ 22 psi

0,120 Nm3/h @ 6,0 bar

0,071 SCFM @ 87 psi

Table 4: Output Signal

Output Pressure 0 - 100 % of supply air
Range pressure

Output Flow Capacity 2,4 Nm3/h @ 1,5 bar
(input @ pressure) 1,41 SCFM @ 22 psi

7,0 Nm3/h @ 6,0 bar

4,12 SCFM @ 90 psi

Deadband < 0,2%

Table 6: Environmental Conditions

Operating Temperature Standard -20 – ˚80 C

-4 – 178 ˚F

Low -40 – 80 ˚C

-40 – 178 ˚F

Transport and Storage -40 – 80 ˚C
Temperature -40 – 178 ˚F

Operating Humidity 0 – 100% non-condensing
Intrinsic Safety Logix 520 si - 15:

ATEX II1 G EEx ia IIC T6

Table 7: Physical Specifications

Housing Material Cast aluminum,

powder-painted
Soft Goods Nitrile
Weight 1,2 kg (2,7 lbs)

Table 8: Shipping weights

Shipping weights
(incl. mounting kit)

Specification Logix 520 si
with pressure gauges 1,6 kg

without pressure gauges 1,2 kg

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