Emerson EIM 2000 Series Manuale utente

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

July 2018

EIM Series 2000 Aquanaught

Operate Submerged Actuators Condently

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Table of Contents

July 2018

Table of Contents

Section 1: Introduction

Section 2: Features

Section 3: Local Display Module

3.0.1 Operation........................................................................................... 4

3.0.2 Local Operation.................................................................................. 4

3.0.3 Operational Display ............................................................................ 5

3.0.4 Alarms Display.................................................................................... 6

Section 4: Wiring

4.0.1 Power Wiring...................................................................................... 7

4.0.2 SCM to AEE Wiring.............................................................................. 7

4.0.3 Motor Wiring...................................................................................... 7

4.0.4 Sensor and Limit Switch Wiring .......................................................... 7

Section 5: Limit Switch Settings

5.0.1 Limit Switch Setting Instructions ........................................................ 8

5.0.2 Torque Seated Valves........................................................................ 11

5.0.3 Torque Switch Calibration................................................................. 11

Section 6: Electronics Setup

6.1 Alarm History Display.................................................................................. 14

6.2 Setup Mode Display Sequence .................................................................... 15

6.3 Analog Output Calibration .......................................................................... 17

6.4 Factory Setup Mode .................................................................................... 17

6.4.1 Emergency Shut Down (ESD) Setup.................................................. 18

6.4.2 Torque Seat Setup ............................................................................ 18

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Introduction

Section 1: Introduction

WARNING

Failure to follow instructions for proper electrical wiring, storage, setup, and maintenance

may cause serious injury, damage equipment, or void the warranty. Refer to Manual E796

for instructions on storage, electrical hook-up, and maintenance.

The Aquanaught Series 2000 actuator is intended for use in either marine water or waste

water applications where a portion or the entire valve actuator may be placed under water

for periods of time, typically during plant ooding conditions.

Internal controls and mechanical components are located in their sealed compartment.

State of the Art electronic controls are provided to insure safe and trouble-free operation at

a moment’s notice. The entire electrical package and motor wiring were tested and proven

to be continuously operational under 150 feet of sea water head immersion even without

their enclosure protection for 7 days though it acted as second line of defense in case of

leakage due to human error. An optional water sensor can be added as prognostic and

diagnostic indicator of any water ingress to the electrical enclosure if it might occur.

Section 1: Introduction

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Features

Section 2: Features

The actuator features several assemblies as listed below – refer to Figure 1.

• LDM – Local Display Module: Contains actuator micro-processor which monitor

the system health and indicate the control feedback.

• SCM – Separate Control Module: Houses electrical controls to include optional

inverse time Circuit Breaker, Overload Relay and Spacer Heater.

• MCB – Motor Conduit Box: Cover threaded with o-ring seal to prevent water entry.

Motor wire splicing with hermetically sealed connectors for ease of motor removal

and installation.

• AEE – Actuator Electric Enclosure: Houses both Position & Torque switches

with hermetically sealed electrical contacts for positive operation. Includes

encapsulated sealed non-contacting absolute position encoder (hall effect sensor)

for valve position feedback. Each component has its own hermetically sealed

connectors for ease of maintenance and installation.

• 2” AWWA Nut with Torque Limiter: Optional vertical drive system allows operator

to hand drive the valve actuator in case of electrical failure. The adjustable torque

limiter will be included to prevent from over-torque.

Figure 1

Local Display

Module - LDM

Separate Control

Module - SCM

Separate Control

Module - SCM

Motor Conduit

Box - MCB

Actuator Electric

Enclosure - AEE

Section 2: Features

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Features

Figure 2

Section 2: Features

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Local Display Module

Section 3: Local Display Module

Contains micro-processor controller. This is the main controller used to setup and operate

the actuator.

This module displays operating parameters, valve position, and alarms, and provides for

conguration of the actuator controls.

To use the Local Control and Selector Knobs refer to the following table.

Table 1.

Selector Knob (right) Rotate Function Results

OFF (Stop) [return position] Stop Movement Prevents motor operation.

REMOTE (Auto) Clockwise Remote Control Allows control from remote

location.

LOCAL (Hand) Counter - clockwise Hand Operation

Allows control from the local

control knob or the control

knob of the RDM, if connected.

(while selector is in LOCAL [hand] mode)

Control Knob (left) Rotate Function Results

Spring return Neutral position No operation

Releases a local command

when Local control mode is

congured for maintainance

CLOSE (UP) Clockwise Local command to

close valve

Commands valve to move in

the close direction

OPEN (DOWN) Counter - clockwise Local command to

open valve

Commands valve to move in

the open direction

3.0.1 Operation

Place the “Selector Knob” in the desired operating position.

LOCAL – used for hands on operation of the actuator by manipulation of the Control Knob.

REMOTE – used within the context of plant operation, i.e. Remote Control Panel, PLC, DCS,

etc. See wiring diagram for typical user wiring for remote control.

3.0.2 Local Operation

Place the “Selector Knob” in the “Local” position. If a remote display is connected,

the remote selector switch must not be in the “Off” position. Verify that the selector “L”

amber light is on. The actuator may now be operated with the local Control Knob.

To Open the valve, rotate the control knob in the counterclockwise direction to the Open

direction.

To Close the valve, rotate the control knob in the clockwise direction to the Close direction.

To Stop the valve, momentarily rotate the control knob in the opposite direction of travel

or move the Selector knob to the OFF (Stop) position.

Section 3: Local Display Module

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Local Display Module

3.0.3 Operational Display

Valve position indication for Close / Mid Stroke / Open position is through use of long

lasting LED’s. Percentage of Open or Close is shown on the digital readout during normal

operation & displayed on the readout as either “OP” when full Open or “CL” when full Close.

CLOSE LED ashes while the valve is moving in the close direction.

It is steady on while the valve is fully closed.

OPEN LED ashes while the valve is moving in the open direction.

It is steady on while the valve is fully open.

MID (Yellow) LED is steady on while the valve is stopped in mid-travel.

This yellow LED ashes when an alarm is present.

OVER TORQUE alarm conditions are indicated for both Open and Close direction of

operation. When a torque alarm occurs in mid-travel, the over torque LED will ash for the

direction of travel. When the valve is torque seated, the CL over torque LED will remain

steady on.

Selector switch LEDs are also made available for operational use in the bottom right corner.

The selector LEDs are important when using a Remote Display Module (RDM) because

these LEDs indicate the combined logic of the two selector switches, i.e. the selected mode

of operation of the actuator.

Figure 3

NOTE:

Color of the Close and OPEN LEDs may be reversed in setup mode.

Section 3: Local Display Module

July 2018

Operation and Maintenance Manual

E2K-200-0718 Rev. 0

Local Display Module

3.0.4 Alarms Display

When an alarm occurs, it is automatically displayed by the two character LED display.

The yellow MID LED will ash while any alarm is present. The display will alternate between

the current position and the active alarm(s). If more than one alarm is active, the display will

cycle through a sequence of valve Position, newest alarm, Position, next oldest alarm and

so on until all active alarms are displayed. The cycle is continuously repeated until all alarms

are cleared. Each alarm is recorded in an Alarm History. The alarm history may be viewed by

entering setup mode (see next section).

All possible alarms that may be displayed are listed on the name plate of the display Local

Display Module (LDM). Following are denitions of the listed alarms.

CE Communication Error Lost communication with the Remote Display

Module (RDM) when congured.

SA Stall Alarm Actuator failed to move within 8 seconds after

commanded by either local or remote controls.

LE Local ESD Hardwired Local Emergency Shut Down is active.

PH Phase Alarm Lost of one phase when congured for 3-Phase.

CF Control Failed Failure of the motor starter when sensed feedback

does not match command.

AF Actuator Failed A fault is detected by hardware electronics fault

monitor. This is a non-recoverable condition that

requires actuator service.

OL Motor Overload Motor thermals or motor overload relay has

tripped.

LP Lost Position Lost feedback from the Hall-effect Position Sensor

(HPS) located in the AEE.

LC Lost Control Voltage Loss of power to the motor control circuits.

The control voltage supply has an automatic

resetting fuse.

HA H2O Sensor Alarm Water ingress into the electrical enclosure.

NOTE:

Over torque alarms are displayed by dedicated LEDs. See Operational Display section above.

Section 3: Local Display Module

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