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Spirax Sarco SP400 User Manual

Spirax Sarco SP400
44 pages
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IM-P343-37 CTLS Issue 4
1
3.568.5275.400
SP400
Electropneumatic Smart Positioner
Installation and Maintenance Instructions
IM-P343-37
CTLS Issue 4
© Copyright 2020
Printed in Italy
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Spirax Sarco SP400 Specifications

General IconGeneral
Input Signal4-20 mA
ActionSingle or Double Acting
Supply Pressure1.4 to 7 bar (20 to 100 psi)
Housing MaterialAluminum
Enclosure RatingNEMA 4X
MountingLinear or Rotary
Ambient Temperature Range-4° to 176°F (-20° to 80°C)

Summary

Safety information

Technical information

Description

Explains the SP400 as a loop-powered positioner for pneumatic actuators, its feedback mechanism, pneumatics, and mounting options.

Technical data

Provides detailed specifications including input signal range, air supply, output pressure, stroke range, operating temperature, air flow, connections, enclosure, and materials.

Programmable functions

Details programmable features such as autostroke, valve type, % travel, control action, split range, deadband, reset, and input signal visualization.

Installation

Mounting the SP400 positioner - General information

Covers preliminary checks, mounting kit types, enclosure rating, and assembly verification before installation.

Sequence for mounting an SP400 positioner to a linear actuator

Details the steps for mounting the SP400 to linear actuators using pillar and yoke mounting kits.

Sequence for mounting an SP400 positioner to a rotary actuator

Outlines the assembly process for fitting the SP400 onto a ¼ turn valve.

Air supply and connections

Warns about air pressure limits, specifies NPT connections, required air quality, and the necessity of a filter/regulator.

Electrical connections

Quick start procedure

2-port valves

Guides through the initial setup and autostroke routine for 2-port valves.

Programming and commissioning

C-CAL - current calibration

Guides through the process of fine-tuning the input current signal calibration (4-20 mA) for accurate matching.

AUTOS - automatic autostroke commissioning

Explains the automatic commissioning routine, its duration, successful/unsuccessful indications, error messages, and subsequent steps.

SET - setting of valve functions

Provides access to basic valve setup functions including valve type, control action, deadband, and split range.

Maintenance

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