YOKOGAWA SKYD-3, SKYD-2, SKYD-1 User Manual

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User ’s Manual

Model SKYD (Style S) Alarm Unit

Yokogawa Electric Corporation

IM 01B04K01-02E

11th Edition

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Contents

Chapter 1 Introduction

1.1 Inspection ............................................................................................................................ 1-2

1.2 Documentation Conventions ............................................................................................... 1-3

1.3 Notice .................................................................................................................................. 1-4

1.4 Compatibility with Previous Models .....................................................................................1-5

Chapter 2 General

2.1 Standard Specifications ......................................................................................................2-2

2.2 Model and Suffix Codes ......................................................................................................2-3

2.3 Accessories ......................................................................................................................... 2-4

App

Chapter 3 Installation

3.1 External Wiring .................................................................................................................... 3-2

3.2 Example of Alarm Wiring .....................................................................................................3-3

3.2.1 High-limit and High-high-limit Alarms .....................................................................................3-3

3.2.2 Three-position Alarm .............................................................................................................. 3-3

Chapter 4 Principles of Operation

4.1 Principle of Operation ..........................................................................................................4-1

4.2 Description of Functions ......................................................................................................4-2

4.2.1 SKYD-10x/20x Functions .......................................................................................................4-2

4.2.2 SKYD-30x Functions ..............................................................................................................4-5

4.3 Example of Alarm Function Setting .....................................................................................4-6

4.3.1 Condition of Alarm Function ...................................................................................................4-6

4.3.2 Parameters of Alarm Function ................................................................................................4-6

4.3.3 Operating Condition of Alarm Function ..................................................................................4-6

Chapter 5 Setting

5.1 Names of Components .......................................................................................................5-2

5.2 Setting Jumper .................................................................................................................... 5-3

5.2.1 Check of Setting Jumper and its Location ..............................................................................5-4

5.3 Setting of Parameters .........................................................................................................5-5

5.3.1 Parameter Change Disable Function .....................................................................................5-5

5.3.2 Setting of Parameters Using Display Setter (SKYD-x04) ....................................................... 5-5

5.3.3 Setting of Parameters Using Handy Terminal ........................................................................5-9

5.4 Parameter List ................................................................................................................... 5-10

5.4.1 SKYD-10x Parameter List ....................................................................................................5-10

5.4.2 SKYD-20x Parameter List ....................................................................................................5-14

5.4.3 SKYD-30x Parameter List ....................................................................................................5-19

Chapter 6 Maintenance

6.1 Test Equipment ...................................................................................................................6-2

6.2 Check of Input ..................................................................................................................... 6-3

6.2.1 Check for SKYD-10x and SKYD-20x .....................................................................................6-3

6.2.2 Check for SKYD-30x ..............................................................................................................6-4

6.3 Check of Alarm Set Point ....................................................................................................6-5

6.3.1 Check for SKYD-10x and SKYD-20x .....................................................................................6-5

6.3.2 Check for SKYD-30x ..............................................................................................................6-5

6.4 List of Replaceble Parts ......................................................................................................6-6

Chapter 7 Troubleshooting

7.1 Action in Fault Condition. ....................................................................................................7-2

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Contents

Chapter 8 Power Supply Terminal Connections (Option /TB, /A2TB, and /REK)

8.1 External View and Names of Components .........................................................................8-2

8.2 Power Supply and Ground Wiring ....................................................................................... 8-3

General Specifications

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Chapter 1 Introduction

Introduction

This manual describes the functions and operations of the SKYD Alarm Unit.

● IntendedReaders

This manual is intended for personnel in charge:

• Installation and wiring

• Instrumentation and setup of the function

• Operation and monitoring of the controller

• Maintenance of equipment

● RelatedDocuments

The following documents all relate to the SKYD Alarm Unit. Read them as necessary. The codes enclosed in parentheses are the document numbers.

Manual Title Manual No. Description

Rack-Mounted Instruments IM 1B4F2-01E Describes mounting and wiring for the YS80 rack-mounted instruments. Model JHT200 Handy Terminal IM 77J50H01-01EN Describes operation of JHT200.

Introduction

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1.1 Inspection

The SKYD alarm unit is shipped only after stringent inspection at the factory. Visually inspect the product upon delivery to make sure it is not damaged in any way. Store the box and inner packing material of the package in a safe place / they may be needed if there is a problem with the product and it needs to be sent back for repair.

Check of Model and Suffix Codes

The model and suffix codes are indicated on the Name plate attached to the front cover of the instrument. Crosscheck this information with the model and suffix codes of Section 2.2 to ensure that the product is as specified in the order.

ALARM UNIT

SKYD

-204*S

24-110VDC

100-120VAC 50/60Hz

60mA

6.0VA

1-5VDC

ALARM UNIT

SKYD

-204*S

24-110VDC

100-120VAC 50/60Hz

60mA

1-5VDC

XXXXXXXXX

Figure 1-1 Name plate for Thermocouple Input (Description example)

6.0VA

XXXXXXXXX

Confirmation of the Package Contents

Check the package contents against the list below. If anything is missing or damaged, immediately contact the sales office from which you purchased the product or your nearest Yokogawa representative.

• SKYD Alarm Unit ..............................................................................................1

• Alarm Label (Parts No.: L4040JA) .....................................................................1

• Precautions on the Use of the YS80 Series ......................................................1

Downloadable Electronic Manuals

You can download the latest manuals from the following website:

http://www.yokogawa.com/ns/ys/

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1.2 Documentation Conventions

This manual uses the following notational conventions

Symbols

The following symbols are used in this manual.

Markings

Indicates that operating the hardware or software in a particular manner may damage it or result in a system failure.

Draws attention to information that is essential for understanding the operation and/or features of the product.

Introduction

Description of Displays

Some of the representations of product displays shown in this manual may be exaggerated, simplified, or partially omitted for reasons of convenience when explaining them.

QR Code

The product has a QR Code pasted for efficient plant maintenance work and asset information management. It enables confirming the specifications of purchased products and user’s manuals. For more details, please refer to the following URL.

https://www.yokogawa.com/qr-code

QR Code is a registered trademark of DENSO WAVE INCORPORATED.

Note

Gives additional information to complement the present topic and/or describe terms specific to this document.

Gives reference locations for further information on the topic.

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1.3 Notice

This Instruction Manual

• This manual should be passed on to the end user. Keep at least one extra copy of the manual in a safe place.

• Read this manual carefully to gain a thorough understanding of how to operate this product before you start using it.

• This manual is intended to describe the functions of this product. Yokogawa Electric Corporation (hereinafter simply referred to as Yokogawa) does not guarantee that these functions are suited to the particular purpose of the user.

• Under absolutely no circumstances may the contents of this manual, in part or in whole, be transcribed or copied without permission.

• The contents of this manual are subject to change without prior notice.

• Every effort has been made to ensure accuracy in the preparation of this manual. Should any errors or omissions come to your attention however, please contact your nearest Yokogawa representative or sales office.

Protection, Safety, and Prohibition against Unauthorized Modification

• The following safety symbols are used on the product and in this manual.

Markings

CAUTION

• In order to protect the product and the system controlled by it against damage and ensure its safe use, make certain that all of the instructions and precautions relating to safety contained in this document are strictly adhered to. Yokogawa does not guarantee safety if products are not handled according to these instructions.

• If protection/safety circuits are to be used for the product or the system controlled by it, they should be externally installed on the product.

• Do not turn off the power of the product during adjustment and parameter setting.

• Be sure to confirm the parameters referring to ‘‘5.4 Parameter List’’ before installing the product in a system or plant. After confirming them, install the product in a system or plant and turn on the power.

• When you replace the parts or consumables of the product, only use those specified by Yokogawa.

• If the product is to be used in systems with special requirements for human safety, such in as nuclear power and radiation related equipment, railway facilities, aircraft facilities, and medical devices, please consult with your sales representative.

• Do not modify the product.

Force Majeure

• Yokogawa does not make any warranties regarding the product except those mentioned in the WARRANTY that is provided separately.

• Yokogawa assumes no liability to any party for any loss or damage, direct or indirect, caused by the use or any unpredictable defect of the product.

If this symbol is indicated on the product, the operator should refer to the explanation given in the instruction manual in order to avoid personal injury or death to either themselves or other personnel, and/ or damage to the instrument. The manual describes that the operator should exercise special care to avoid shock or other dangers that may result in injury or loss of life. Protective ground terminal: This symbol indicates that the terminal must be connected to ground prior to operating the equipment. Function ground terminal: This symbol indicates that the terminal must be connected to ground prior to operating the equipment. AC voltage: This symbol indicates that AC voltage is present. DC voltage: This symbol indicates that DC voltage is present.

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1.4 Compatibility with Previous Models

 Compatibility with style A

● Operation and settings differ from previous model (styles A). Please read this document carefully before operating the product.

● Before installing this product in a system or plant, you must check the jumper settings and parameters described in chapter 5, “Settings.” After checking settings and parameters, install the product in the system or plant, and then turn ON the power.

 Compatibility with style R

● Operation and settings are the same as for the previous model (style R). Please read this document carefully before operating the product.

Introduction

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Chapter 2 General

General

The Model SKYD Alarm Unit provides two types of alarms : absolute alarm that is output after comparison of one input signal with one or two alarm set points, and deviation alarm that is output after comparison of the deviation between two inputs with two alarm set points. Direct or reverse alarm action can be selected for each of the alarm output set points. The front panel is provided with an alarm LED indicator lamp for confirming alarm relay action (when relay is energized). The JHT200 Handy Terminal (*1) is used for setting the SKYD parameters. On the SKYD model with display setter (SKYD-x04), input indication (engineering unit) can be displayed and alarm set points can be displayed / set on the front panel.

*1: The modular jack conversion adapter (E9786WH) is required for connecting the JHT200 Handy

Terminal to the Alarm Unit.

The 5 pin-connector type communication cable (F9182EE) and modular jack conversion adapter

(E9786WH) is required for connecting the BT200 BRAIN Terminal of YOKOGAWA ELECTRIC Corporation

General

Figure 2-1 External View

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2.1 Standard Specifications

Please see the General Specifications (GS 01B04K01-02E) at the end of this manual.

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2.2 Model and Suffix Codes

Model Suffix Codes Optional

SKYD Alarm Unit Alarm -1

Su󰀩x Code 0 Always 0 Setting Scale

Style Code *S Style S Option Codes

-2

-3

(*1)

(*4) (*5)

*1: In the case of two set points, the setting ranges of one set point/two set points are the same. *2: The value obtained by squaring the setting value functions as the alarm setting value. *3: 2-input deviation alarm only *4: /LOCK, /REK, /TB, /A2TB, and /A2ER cannot be specified together. *5: /FBP, /A2TB, and /A2ER cannot be specified together.

0 1 2 4

Suffix Codes

/NHR /FBP /LOCK /WSW /REK /TB /A2TB /A2ER

1 input, 1 setpoint absolute alarm 1 input, 2 setpoints absolute alarms 2 inputs, 2 setpoints deviation alarms

0 to 100 linear 0 to 10 square root

-100 to +100 linear (deviation alarm) Actual scale (with display setter)

Without rack case Power supply fuse bypass Power supply plug with lock With spring washer Mount to same line with EK series rack With power supply terminal 220V version with power supply terminal 220V version with power supply plug

Description

(*2)

General

(*3)

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2.3 Accessories

Alarm Label: 1 sheet

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Chapter 3 Installation

Installation

For details of the installation procedure and wiring precautions, refer to the instruction manual “Installation of Rack-Mounted Instruments” (IM 1B4F2-01E).

Installation

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3.1 External Wiring

(a) All cable ends must be furnished with crimp-on type solderless lugs (for 4mm screws).. (b) Draw out the internal unit from the rack case. (c) Connect the cables to the correct terminals referring to Figure 3-1. (d) Return the internal unit into the rack case after completing the wiring. (e) Always return the terminal block cover to its original position after completing the wiring.

The terminal block cover cannot be returned to its original position if the internal unit is not installed its original position in the rack case. Securely return the terminal block cover because it also functions as lock for the internal unit.

Terminal arrangement

OUT

HFDCB

Terminal

Designation

A NC

Description

Alarm output 1 B COM C D F NC Alarm output 2

(*1)

H COM J NO K NO

Do not connect to the output terminal when the terminal is not in use.

*1: Except SKYD-1 type.

Terminal

Designation

1 + 2 3 4

5 + 6 7 8

*2: For SKYD-3 type only.

Figure 3-1 Terminal Layout and Terminal Wiring

Input 1

Input 2

Description

(*2)

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3.2 Example of Alarm Wiring

The SKYD alarm unit provides various types or alarms depending on the setting of the alarm action or the method of connecting the alarm output terminals. Thus, the necessary wiring should be made with reference to the following two examples:

3.2.1 High-limit and High-high-limit Alarms

Set the direct action (DIRECT) for the alarm actions of both alarms 1 and 2. Then wire the terminals as illustrated in Figure 3-2.

SKYD Alarm Unit

Alarm 1 setting

Input (deviation)

value

Alarm 2 setting

Installation

Alarm output terminal

Figure 3-2 External Wiring - Example 1

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3.2.2 Three-position Alarm

Set the reverse action (REVERSE) for the alarm action of alarm 1, and the direct action (DIRECT) for the alarm action of alarm 2. Then wire the terminals as illustrated in Figure 3-3.

SKYD Alarm Unit

Alarm output terminal

Figure 3-3 External Wiring - Example 2

Alarm

Alarm 2 setting

Alarm 1 setting

Input (deviation) value

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3.2 Example of Alarm Wiring

 Applicable Cables

(1) Signal circuit wiring

(2) Alarm circuit wiring

(3) Power supply wiring

• Cross-sectional area of the cable conductor: 0.5 to 0.75 mm

• Examples of applicable cables: Single core PVC insulated flexible cable (VSF) stranded wires (JIS C 3306); heat-resistant vinyl-insulated cable (UL style 1007)

• Cross-sectional area of the cable conductor: 0.5 to 1.25 mm

• Examples of applicable cables: 600 V PVC insulated cable (IV) stranded wires (JIS C

3307); PVC insulated cable for electric appliances (KIV) stranded wires (JIS C 3316); heat-resistant vinyl-insulated cable (UL style 1007)

• Cross-sectional area of the cable conductor: 1.25 to 2.00 mm

• Examples of applicable cables: 600 V PVC insulated cable (IV) stranded wires (JIS C

3307)

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Chapter 4 Principles of Operation

4.1 Principle of Operation

Input signals are converted to digital data by the A/D conversion circuit. The resulting digital data is processed (square root calculation, etc.) by the microcomputer, and the alarm relay is then energized/de-energized by alarm calculation processing (comparison, etc.).

Handy

Terminal

SET

Figure 4-1 Hardware Function Block Diagram

Input

processing

circuit 1

Input

processing

circuit 2

(*1)

Display setter (*2)

*1: SKYD-30x only *2: SKYD-x04 only *3: Except SKYD-10x

Multiplexer

conversion

A/D

circuit

Micro-

processor

Relay

output 1

Relay

output 2

(*3)

Power

supply circuit

Power supply

GND

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App

Principles of Operation

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4.2 Description of Functions

The following describes the functions of the SKYD-10x/20x and SKYD-30x.

4.2.1 SKYD-10x/20x Functions

Input signal

A/D conversion

1 to 5 VDC

Normalization

INPUT1

Square root calculation

LINEARIZE1

LOW CUT1

Scaling (*1)

Bias (*1)

PV1

Alarm detection 1

Alarm relay connection 1

BIAS1

SET POINT1 HYSTERESIS1 ALM1 ACTION

ON DELAY1

OFF DELAY1

RLY1 ACTION

Relay output 1 Relay output 2

Figure 4-2 Software Function Block Diagram

The alphabet codes in the figure are the names of BRAIN communication parameters.

*1: SKYD- 04 only

RLY1 TEST

SCH1 SCL1

DP1

SKYD-20 only

Alarm detection 2

Alarm relay connection 2

SET POINT2

HYSTERESIS2

ALM2 ACTION

ON DELAY2

OFF DELAY2

RLY2 ACTION

RLY2 TEST

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4.2 Description of Functions

●ExplanationofInputprocessingblock

• A/D conversion: Performs A/D conversion on input signals.

• Normalization: A/D-converted signals are converted to a scale of 1 to 5 V DC. (INPUT1)

• Square root calculation (LINEARIZE1): When square root calculation is set to ON, the input processing block performs square

root calculation on the input signal.

The low-cut point (LOW CUT1) can be set to the square root calculation. The figure

below shows operation when the input signal is near the low-cut point. This low-cut point is provided with a hysteresis of 0.2%.

Input after low-cut processing

App

Principles of Operation

When X

X - 1 + 1

≤1V: Y=X

Input (X)

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Y = 2 x

X =

Y Y,X: 1 to 5 (V)

Low-cut point

Hysteresis fixed at 8 mV (0.2%)

• Scaling (SKYD-x04 only): The display in engineering unit is available according to the SCH1, SCL1 and DP1

parameter settings.

The value after scaling (or, when the bias function is used, the value obtained by

adding bias to this value) becomes PV1.

SCH1, SCL1, DP1 setting (default: 0.0 to 100.0)

<Setting Method> (1) Set the decimal point position matched to the unit system actually in use at DP1. (Example: two digits past the decimal point) (2) Register the measuring input scale range at SCH1 and SCL1. (Example: SCH1=20.00, SCL1=0.00)

(Example)

1V 5V

0.0 (SCL1) 100.0 (SCH1)

0.00 (SCL1) 20.00 (SCH1)

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Decimal point position registered at DP1.

Default scale

Measuring input scale

(after scaling)

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4.2 Description of Functions

Reverse scaling (SCH1 < SCL1) is also possible. A setting error occurs when SCH1 is set to equal SCL1.

● ExplanationofAlarmdetectionblock

• Bias: A bias value (BIAS1) can be added to scaling values. This allows error to be compensated when there is an error between the input value

and the indicated value. Bias can be set within the range ±10% [(SCH1 - SCL1) x 0.1] of the scaling width. The input value displayed on the display setter on the front panel (PV1 in the BRAIN

communications parameter) is the value after addition of bias.

In the following description, n is "1" for SKYD-10x, and "1" or "2" for SKYD-20x.

• Alarm detection n: Performs alarm detection.

• ALMn ACTION: Alarm action

Direct .................. The alarm state is entered when the input value is at the preset

alarm set point or higher.

Reverse...............The alarm state is entered when the input value is at the preset

alarm set point or lower.

• SET POINTn: Alarm set point

• HYSTERESISn: Alarm hysteresis (See Figure 4-4.)

• ON DELAYn: Alarm ON delay Sets the dead time until the alarm turns ON. An alarm state is entered when the input value is in the alarm range for the duration

set at ON DELAYn. If input returns to the normal range before the time set at ON DELAYn is reached, the

alarm does not turn ON.

• OFF DELAYn: Alarm OFF delay Sets the dead time until the alarm turns OFF. A normal state is entered when the input value is in the normal range for the duration

set at OFF DELAYn. If input returns to the alarm range before the time set at OFF DELAYn is reached, the

alarm does not turn OFF.

4-4

• For ON DELAY/OFF DELAY, if you change the time during a delay, cancel the delay operation, and restart operation with the set delay time.

• The alarm function does not work for 3 seconds after power ON.

● Relayoutputblock

• RLYn ACTION: Alarm relay action

Energized at normal operation ............ The relay is energized when the alarm

detection result is a normal state.

De-energized at normal operation....... The relay is energized when the alarm detection

result is an alarm state.

• RLYn TEST: Relay action test This function is for testing relay action. Relays can be turned ON/OFF without influencing the currently alarm detection result.

Direction of alarm relay action: De-energized at normal operation (Factory-shipped settings)

ALMn Direction of alarm action Input value < Set point Set point < Input value DIR Direct (high-limit alarm) Output relay de-energized Output relay energized RVS Reverse (low-limit alarm) Output relay energized Output relay de-energized

Direction of alarm relay action: Energized at normal operation

ALMn Direction of alarm action Input value < Set point Set point < Input value DIR Direct (high-limit alarm) Output relay energized Output relay de-energized RVS Reverse (low-limit alarm) Output relay de-energized Output relay energized

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4.2.2 SKYD-30x Functions

4.2 Description of Functions

Input signal 1

A/D conversion

1 to 5 VDC

Normalization

INPUT1

Square root calculation (*1)

Scaling (*1)

Bias (*1)

PV1

Deviation (subtraction)

INPUT DEV

Alarm detection 1

Alarm relay connection 1

*1: SKYD-304 only

LINEARIZE1

LOW CUT1

SCH1 SCL1

DP1

BIAS1

SET POINT1

HYSTERESIS1

ALM1 ACTION

ON DELAY1

OFF DELAY1

RLY1 ACTION

RLY1 TEST

Relay output 1 Relay output 2

Figure 4-3 Software Function Block Diagram

Input signal 2

A/D conversion

Normalization

INPUT2

Square root calculation (*1)

Scaling (*1)

Bias (*1)

PV2

Alarm detection 2

Alarm relay connection 2

1 to 5 VDC

BIAS2

*1: SKYD-304 only

HYSTERESIS2

ALM2 ACTION

OFF DELAY2

SET POINT2

ON DELAY2

RLY2 ACTION

RLY2 TEST

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App

Principles of Operation

The alphabet symbols in the figure are the names of BRAIN communication parameters.

In the following descriptions, n is "1" or "2".

● Input processing block Functions are the same as SKYD-10x/20x except that there are two inputs.

• Input deviation processing block

Input deviation INPUT DEV is the value of "PV1 - PV2".

● Alarm detection block Functions are the same as SKYD-20x except that the detection target is input deviation

INPUT DEV.

● Relay output block Functions are the same as SKYD-20x.

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4.3 Example of Alarm Function Setting

This section describes the alarm function setting showing the example using the alarm function parameters.

4.3.1 Condition of Alarm Function

Set the following conditions. (1) Condition for Alarm 1 The alarm is output when the status where the input value is 80% or more continues for 1

second or more.

The alarm is released when the status where the input value is 70% or less continues for

2 seconds or more. (2) Condition for Alarm 2 The alarm is output when the input value is 15% or less. The alarm is released when the input value is 20% or more.

4.3.2 Parameters of Alarm Function

The table below shows the parameters the condition of alarm function described in 4.3.1 is placed to.

Table 4-1 Table of Parameter Setting Example for Alarm 1 and Alarm 2 (SKYD-20x)

Item Alarm 1 Alarm 2

Alarm set point E01: SET POINT1 80% E02: SET POINT2 15% Direction of alarm action E07: ALM1 ACTION DIRECT E08: ALM2 ACTION REVERSE Alarm hysteresis E09: HYSTERESIS1 10% E10: HYSTERESIS2 5% Alarm ON delay E15: ON DELAY1 1 s E16: ON DELAY2 0 s Alarm OFF delay E17: OFF DELAY1 2 s E18: OFF DELAY2 0 s

Parameter Set point Parameter Set point

4.3.3 Operating Condition of Alarm Function

Refer to the following figure for operating condition of alarm 1 and alarm 2.

Alarm condition established

100

Alarm-1 set point >

Alarm-2 set point >

Alarm-1 Direct

action

Alarm-2 Reverse

action

Alarm-2 hysteresis (5%)

De-energized

Figure 4-4 Alarm Action

Alarm-released condition established

1 s 2 s

Energized

De-energized

Alarm-1 hysteresis (10%)

Alarm condition established

Alarm-released condition established

Elapsed time (s)

De-energized

Energized De-energized

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App

Chapter 5 Setting

Setting

 Items to Confirm before Start of Operation

Before you start operation, inspect and confirm the following items: (1) Draw out the internal unit from the rack case, and make sure that the specified fuses are

properly mounted in the fuse holders at the rear of the internal unit. (2) When inserting the internal unit into the rack case, firmly connect the multi-pin connectors

for connecting the internal unit and the case. (3) Make sure that power plugs are properly connected to the power outlet. (4) Make sure that external wiring to the terminal block is properly connected.

Refer to Section 7.1, “Action in Fault Condition” for how to detect device error by alarm output.

Setting

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5.1 Names of Components

The following shows the names of SKYD components.

ALM SP

Alarm 1,2 relay action indicator lamps (ALM1,2) Alarm 1,2 set point indicator lamps (SP1,2)

1 2

Display setter

Data digit feed key

Parameter selection key

Tag plate

Alarm 1,2 relay action indicator lamps (ALM1,2)

BRAIN connector (w/ cover)

Key setting enable switch (ENBL switch)

Name plate

Other than SKYD-x04

SKYD-x04

Output terminal block

SET

Main board

Data change key

SET

Data setting fix key

Terminal block cover/handle for drawing out internal unit

Rack case

Input terminal block

Multi-pin connector

Power plug

Figure 5-1 Names of Components

5-2

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App

5.2 Setting Jumper

The SKYD is provided with the following jumpers. Other SKYDs excluding the SKYD-x04 are not provided with the ALM1, 2 jumpers. (Can be set by using the JHT200 Handy Terminal.)

Jumper Code Jumper Name Except SKYD-x04 SKYD-x04

W. P. Parameter Write Protect Available Available ALM1 Alarm 1 action setting jumper Not available Available ALM2 Alarm 2 action setting jumper

(except SKYD-10x)

• Parameter Write Protect jumper When this jumper is set to ON, changing of parameters by the key switches and Handy

Terminal is disabled. “LOC” will be displayed on the display setter if the “→” switch is

pressed with the SP1 or SP2 parameter displayed on the display setter. To cancel the “LOC” display and return to the previous display, press any key.

• Alarm action setting jumper This jumper is for setting the direction of alarm action. The table below shows the relationship between direction of alarm action and direction of

relay action.

Direction of alarm relay action: De-energized at normal operation

ALMn Direction of alarm action Input value < Set point Set point < Input value

DIR Direct (high-limit alarm) Output relay de-energized Output relay energized RVS Reverse (low-limit alarm) Output relay energized Output relay de-energized

Not available Available

Setting

Direction of alarm relay action: Energized at normal operation

ALMn Direction of alarm action Input value < Set point Set point < Input value

DIR Direct (high-limit alarm) Output relay energized Output relay de-energized RVS Reverse (low-limit alarm) Output relay de-energized Output relay energized

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5.2 Setting Jumper

5.2.1 Check of Setting Jumper and its Location

The setting jumpers are located on the main board of the internal unit. Draw out the internal unit, and check the current jumper settings. Current jumper settings can also be checked on the JHT200 Handy Terminal.

Parameter Write Protect A55: WRT PROTECT Direction of alarm 1 action E07: ALM1 ACTION Direction of alarm 2 action (except SKYD-10x) E08: ALM2 ACTION

Parameter Write

Protect

ON disables

changing of

parameters.

Jumper Name Parameter Name

Direction of alarm

action

Direct

action

selected

Reverse

action

selected

Setting jumpers

(factory-set default)

F0502.ai

Figure 5-2 Setting Jumper

 Change of Setting Jumper

Follow the procedure below to change the setting jumpers: (a) Pull the terminal block cover toward you to draw out the internal unit from the rack case. (b) Check the jumpers on the main board of the internal unit, and change their settings as

desired. Use tweezers or another fine-tipped object to change the setting jumpers. (c) Return the internal unit to the rack case. (d) Return the terminal block cover to its original position.

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5.3 Setting of Parameters

This instrument has BRAIN communication parameters for specifying functions and adjusting input. Connect JHT200 Handy Terminal (*1) to the instrument to display or set parameters (modular jack conversion adapter (E9786WH) is required ) On the SKYD model with display setter (SKYD-x04), input indication (engineering unit) can be displayed and alarm set points can be display/set on the front panel. For details on parameters, refer to the Parameter Lists.

*1: BT200 BRAIN Terminal of YOKOGAWA ELECTRIC Corporation can also be used.

When connecting the JHT200 Handy Terminal, the adapter for modular-jack (model E9786WH) is required. When using the BT200 BRAIN Terminal of YOKOGAWA Electric Corporation, the communication cable of 5-pin connector type (model F9182EE) and the adapter for modularjack (model E9786WH) are required.

5.3.1 Parameter Change Disable Function

The SKYD is provided with a parameter change disable function for preventing parameter settings from being changed by operator error.

Table 5-1 Parameter Change Disable Function

Disable Setting Method Disable Cancel

Parameter Write Protect jumper

Enable switch (SKYD-x04 only)

Set W.P. jumper on the main board to “ON”.

Changes cannot be made if no settings are made for 30 minutes after operating any key switch on the front panel in a setting change enable state.

Method

Set W.P. jumper on the main board to “OFF”.

Press the Enable switch.

Setting

Description of Disable

Operation

● Changing of parameter setting by key switches.

● Changing of parameter setting by Handy Terminal.

● Changing of parameter setting by key switches.

5.3.2 Setting of Parameters Using Display Setter (SKYD-x04)

On the SKYD-x04, you can change alarm set point using the display setter on the front panel. Other parameters are changed using the JHT200 Handy Terminal. The table below describes the relationship between key switch operations and migration of display states.

Table 5-2 Relationship between Key Switch Operations and Migration of Display States

Key

Switch

∆ Displays the next

→ Advances to the setting

↑ Displays the previous

SET No operation Advances to the setting fix

ENBL Enters setting change enable state.

Display Mode Setting Change Mode Setting Fix Mode Indicator Out Mode

parameter.

change mode when a settable or changeable parameter is displayed in the setting change enabled state. (*1)

parameter.

Enable switch is disabled if the Parameter Write Protect jumper is set to “ON”.

*1: When the Parameter Write Protect jumper on the main board is set to “ON”, the SKYD will not

advance to the setting change mode. In this state, “LOC” is displayed on the display setter.

Cancels the newly changed values, returns to the display mode, and displays the next parameter. Moves setting digit. Returns to the setting

Changes the set point. No operation

mode.

Display Function

Cancels the newly changed values, returns to the display mode, and displays the next parameter.

change mode, and moves to the next digit.

Fixes the set point, and advances to the display mode.

This mode is entered if no key switches are operated for 30 minutes when the display mode parameter is set to “OFF”. The display mode is returned to if any key switch is pressed in the indicator out mode.

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5.3 Setting of Parameters

Indicator out mode is entered if no key switch is operated for 30 minutes when display mode parameter is "OFF".

Indicator out mode Display mode

Display mode is returned to when any key switch is pressed.

Moves to setting

Cancels new set point value, returns to display mode, and displays next parameter.

Setting fix mode Setting change mode

(all digits flashing)

Figure 5-3 Key Switch Operations and Migration of Display States

Fixes set point, and moves to display mode.

Moves to setting fix mode.

Returns to setting change mode, and moves to next digit.

change mode.

Displays previous parameter.

Displays next parameter.

Feeds digit.

Increments value.

 Switching the Display

Each press of the ∆ key switches the display data.

Cancels new set point, returns to display mode, and displays next parameter.

F0503.ai

Power on

Press key.

Input value (PV1) is displayed. SP1 /SP2 lamps out In this example, "40.00"

Figure 5-4 Progression of Display Screen

Alarm 1 set point (SP1) is displayed. SP1 lamp lit In this example, "50.00"

 LED Indicator Lamps

The table below lists the type of LED indicator lamps on the front panel and their lighting conditions.

LED Lamp Color Lighting Conditions Remarks

ALM1 Yellow Lit when alarm 1 output relay is energized ALM2 Yellow Lit when alarm 2 output relay is energized SKYD-20x, -30x only SP1 Green Lit when alarm 1 set point (SP1) is displayed on the

SP2 Green Lit when alarm 2 set point (SP2) is displayed on the

display setter

Press key.

Alarm 2 set point (SP2) is displayed. SP2 lamp lit In this example, "30.00"

SKYD-x04 only

SKYD-204, -304 only

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 Setting Parameters

Display the desired parameter (e.g. alarm set point), and follow the procedure below to change its set point.

AL M S P

1 2

SET

AL M S P

1 2

SET

5.3 Setting of Parameters

(1) Input value (60.00) is displayed at power ON.

Press the - key. The SP1 lamp lights, and the alarm 1 set point is displayed.

(2) The alarm 1 set point (80.00) is displayed.

Press the - key. In the case of the SKYD-104, the SP1 lamp goes out, and the

input value is displayed. In the case of the SKYD-204/304, the SP2 lamp lights, and the alarm 2 set point is displayed.

AL M SP

2 1 2

Alarm 2 set point (30.00) is displayed. (SKYD-204/304 only)

Setting

(3) Press the ENBL switch to enter setting change enable state.

(4) Set the alarm set point. (Change the alarm 1 set point to "70.00" from "80.00".) Alarm set points whose SP lamp is lit can be changed.

Press the - key.

Figure 5-5 Setting Parameters

SET

The uppermost digit on the display flashes. Hold down the key to move the flashing section to the digit on the right.

This increments the value at the flashing digit. Hold down the

key to feed the value to "7".

All parameter digits flash. Pressing the key again causes "70.00" to light. (This fixes the new parameter settings.).

SET

F0505.ai

● WhentheParameterWriteProtectjumperonthemainboardissetto“ON”,the

SKYD will not advance to the setting change mode. In this state, “LOC” is dis-

played on the display setter.

● Donotturnoffthepoweroftheinstrumentduringparametersetting.

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5.3 Setting of Parameters

 Display at Power ON

The model with display setter displays REV NO. (revision number of software for the SKYD) for about 2 seconds after power ON.

Example of display (REV NO.10)

 LOC Display

When “LOC” is displayed, this indicates that parameter settings cannot be changed. (The Parameter Write Protect jumper on the main board is set to “ON”.) To cancel the “LOC” display and return to the previous display, press any key.

 Indicator Out Mode Display

In this mode, only the decimal point is displayed on the display setter. When the display mode parameter (DSP MODE) is set to “OFF”, and no key operation is performed for 30 minutes, the SKYD moves to the indicator out mode. To cancel this mode and return to the display mode, press any key switch. I/O signal processing and calculations are performed as usual even in the indicator out mode. If the self check discovers an error (A/D conversion error, EEPROM error, EEPROMSUM error) in the indicator out mode, this mode is canceled, and the error is displayed. Also, the SKYD does not move to the indicator out mode when an error (A/D conversion error, EEPROM error, EEPROMSUM error) occurs.

1 2 1 2

Moves to indicator out mode if no key is operated for 30 minutes.

Indicator out mode Only decimal point is lit.

Figure 5-6 Indicator Out Mode

Press any key.

1 2 1 2

Normal operation mode

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5.3.3 Setting of Parameters Using Handy Terminal

For details of operation and adjusting procedures of JHT200 Handy Terminal, refer to the instruction manual “JHT200 Handy Terminal” (IM 77J50H01-01EN).

Cable of 5-pin

connector type

(F9182EE)

JHT200

Handy Terminal

Figure 5-7 Connecting the Handy Terminal

5.3 Setting of Parameters

BRAIN connector

Setting

Adapter for modular jack

(E9786WH)

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5.4 Parameter List

BRAIN communication parameters for SKYD are as follows. On the SKYD-x04, only the input value can be displayed, and the alarm set point can be displayed and set on the display setter on the front panel. Other, parameters are displayed and set using the Handy Terminal.

5.4.1 SKYD-10x Parameter List

No.

Initial display 01 Model Name MODEL Displays the model name. Displayed 02 Tag Number TAG NO Displays the tag number that is set. 03 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check. A Display 1 DISPLAY1

A01

A03

A15

A54

A55

A56 REV NO. REV NO. Displays the device revision No. A58 MENU REV MENU REV Displays the revision No. of the parameter group. A60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check. B Display 2 DISPLAY2 B01 Analog Input 1 Same as item A B03 PV1 B15 Alarm 1 Relay

B60 Self Check

Parameter Name

Analog Input 1 INPUT1 Input value before input processing (square root or scaling)

PV1 PV1 Input value (engineering unit) after input processing (square

Alarm 1 Relay Display

Status Display STATUS Displays the value added to the value (Hex) indicating the

Parameter Write Protect

Display

Symbol Description Display

(unit: V)

root or scaling)

RLY1 STATUS Displays the state of the alarm 1 relay.

DE-ENERGIZED: De-energized ENERGIZED: Energized

self check result. 0000: Normal 0001: EEPROM error 0002: EEPROMSUM error 0004: Low input cut state 0008: Input range exceeded 0010: Setting error 0040: Power interruption during operation 1000: A/D conversion error

WRT PROTECT Displays the state of the Parameter Write Protect jumper.

OFF: Setting of parameters enabled ON: Setting of parameters disabled

Conditions

on all

Displayed on all Displayed on SKYD-104 Displayed on all

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5.4 Parameter List

No.

D Setting Parameters SET(I/O) D01 Tag Number 1 TAG NO.1 8 alphanumerics can be

D02 Tag Number 2 TAG NO.2 8 alphanumerics can be

D03 Comment 1 COMMENT1 8 alphanumerics can be

D04 Comment 2 COMMENT2 8 alphanumerics can be

D17 Linearization 1 LINEARIZE1 Specifies square root

D19 Low Cut 1 LOW CUT1 Specifies low-cut point

D40 Input Decimal Point

D41 Input Scale L SCL1 Sets the display value at

D42 Input Scale H SCH1 Sets the display value at

D46 PV1 PV1 Displays the input value

D47 Input 1 Bias BIAS1 Adds the bias value to

D51 Display Mode DSP MODE Selects the display setter

D60 Self Check SELF CHK Result of self check (GOOD/ERROR) of the self check. Displayed on all

Parameter Name Symbol Description Setting Range Factory-set

entered.

Position

entered.

calculation ON/OFF.

during square root calculation.

DP1 Sets the position of the

decimal point for the input scale (SCH1, SCL1).

0% input

100% input

after input processing (scaling).

the value after input processing, and displays as the PV1.

state after 30 minutes elapses after a key switch operation. OFF: Power save mode

Only the decimal point is displayed.

ON: Constant ON mode

Data is displayed at all times regardless of elapsed time.

*1: Initialized when changing SCH1, SCL1

OFF SQR

0.3 to 100.0 % 1.0 % Displayed on

##### ####.# ###.## ##.###

-9999 to 9999 (engineering unit)

±10% of scaled span (EUS) *1

OFF ON

Value

OFF Displayed on

####.# Displayed on

0.0

100.0

±0% of span (EUS) *1

Display Conditions

Displayed on all

SKYD-100, -104

SKYD-100, -104 Displayed when LINEARIZE1 = SQR

SKYD-104

Setting

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5.4 Parameter List

No.

E Setting Alarm

E01 Alarm 1 Set Point SET POINT1 Alarm 1 set point

E03 Alarm 1 Set Point SET POINT1 Alarm 1 set point

E07 Alarm 1 Action ALM1 ACTION Displays the direction

E09 Alarm 1 Hysteresis

E15 Alarm 1 ON Delay ON DELAY1 Sets the dead time until the

E17 Alarm 1 OFF Delay OFF DELAY1 Sets the dead time until

E19 Alarm 1 Relay

D60 Self Check SELF CHK Displays the result

Parameter Name Symbol Description Setting Range Factory-set

Parameters

Action

SET(ALM)

Setting range SKYD-100: -999.9 to 999.9% (*1) SKYD-104: -19999 to 32000 (decimal point position set at DP1) Default SKYD-100: 100.0% SKYD-104: When ALM1 ACTION=DIRECT, SCH1 When ALM1 ACTION=REVERSE, SCL1 On the SKYD-104, this range is initialized when SCH1 and/or SCL1 are changed.

Setting range (*1) SKYD-101: 0.0 to 100.0 (default: 10.0)

(direct/reverse) of action of alarm 1. The setting can be changed on models except SKYD-

104. On the SKYD-104, displays the state of the jumpers on

HYSTERESIS1

RLY1 ACTION Specifies the direction of

*1: For details on the Alarm Setting and Accuracy Warranty Range, see "2.1 Standard

Specifications."

the main board. Sets the hysteresis until the alarm 1 alarm state is canceled. Setting range Except SKYD-104: 0.0 to 100.0% SKYD-104: 0 to 100% of span (EUS) after scaling Default Except SKYD-104: 2.0% SKYD-104: 2.0% of span (EUS) after scaling This range is initialized when SCH1 and/or SCL1 are changed.

alarm is output after alarm 1 enters the alarm state.

alarm output is stopped after alarm 1 is released from the alarm state.

alarm 1 relay action. NRM DE-ENERGIZED:

De-energized during normal operation

NRM ENERGIZED:

Energized during normal operation

(GOOD/ERROR) of the self check.

Value

DIRECT REVERSE

0 to 999 s 0 s

NRM DE-ENERGIZED

NRM ENERGIZED

DIRECT Displayed on all

NRM DEENERGIZED

Display Conditions

Displayed on SKYD-100, -104

Displayed on SKYD-101

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5.4 Parameter List

No.

P Adjustment

P03 Input 1 Zero

P04 Input 1 Span

P60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check. Q Test Parameters TEST Q04 Alarm 1 Forced

Q60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check.

Parameter Name Symbol Description Setting Range Factory-set

Parameters

Adjustment

Output

ADJUST

ZERO ADJ1 Performs zero adjustment (0% side) on input 1.

SPAN ADJ1 Performs span adjustment (100% side) on input 1.

RLY1 TEST Forcibly executes relay

*1: After the test ends, press the OK key to cancel the forced output state and set to the normal

operation state.

n.nnn V RST n.nnn V INC n.nnn V HINC n.nnn V HDEC n.nnn V DEC n.nnn indicates the current input value. Increase or decrease “n.nnn” until the target value is reached. INC/DEC : Increase/decrease “n.nnn.” HINC/HDEC : Increase/decrease “n.nnn” more rapidly than INC/ DEC. RST : When a reset is made, the adjustment values return to their factory settings.

The adjustment method is the same as ZERO ADJ1.

output regardless of the input state. (*1)

DE-ENERGIZED ENERGIZED

Value

Display Conditions

Display on all.

Setting

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5.4 Parameter List

5.4.2 SKYD-20x Parameter List

No.

A01

A03

A15

A16

A54

A55

B16 Alarm 2 Relay

B60 Self Check

Parameter Name

Analog Input 1 INPUT1 Input value before input processing (square root or scaling)

PV1 PV1 Input value (engineering unit) after input processing (square

Alarm 1 Relay Display

Alarm 2 Relay Display

Status Display STATUS Displays the value added to the value (Hex) indicating the

Parameter Write Protect

Display

Symbol Description Display

(unit: V)

root or scaling)

RLY1 STATUS Displays the state of the alarm 1 relay.

DE-ENERGIZED: De-energized ENERGIZED: Energized

RLY2 STATUS Displays the state of the alarm 2 relay.

DE-ENERGIZED: De-energized ENERGIZED: Energized

WRT PROTECT Displays the state of the Parameter Write Protect jumper.

OFF: Setting of parameters enabled ON: Setting of parameters disabled

Conditions

on all

Displayed on all Displayed on SKYD-204 Displayed on all

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5.4 Parameter List

No.

D Setting Parameters SET(I/O) D01 Tag Number 1 TAG NO.1 8 alphanumerics can be

D02 Tag Number 2 TAG NO.2 8 alphanumerics can be

D03 Comment 1 COMMENT1 8 alphanumerics can be

D04 Comment 2 COMMENT2 8 alphanumerics can be

D17 Linearization 1 LINEARIZE1 Specifies square root

D19 Low Cut 1 LOW CUT1 Specifies low-cut point

D40 Input Decimal Point

D41 Input Scale L SCL1 Sets the conversion

D42 Input Scale H SCH1 Sets the conversion

D46 PV1 PV1 Displays the input value

D47 Input 1 Bias BIAS1 Adds the bias value to

D51 Display Mode DSP MODE Selects the display setter

D60 Self Check SELF CHK Result of self check

Parameter Name Symbol Description Setting Range Factory-set

entered.

calculation ON/OFF.

during square root calculation.

Position

DP1 Sets the position of the

decimal point for the input scale (SCH1, SCL1).

standard value at 1V input to scale and display the input value in engineering units.

standard value at 5V input to scale and displays the input value in engineering units.

after input processing (scaling).

the value after input processing, and displays as the PV1.

state after 30 minutes elapses after a key switch operation. OFF: Power save mode

Only the decimal point is displayed.

ON: Constant ON mode

Data is displayed at all times regardless of elapsed time.

(GOOD/ERROR) of the self check.

*1: Initialized when changing SCH1, SCL1

Value

OFF SQR

0.3 to 100.0 % 1.0 % Displayed on

##### ####.# ###.## ##.###

-9999 to 9999 (engineering unit)

±10% of scaled span (EUS) *1

OFF ON

OFF Displayed on

####.# Displayed on

0.0

100.0

±0% of span (EUS) *1

Display Conditions

Displayed on all

SKYD-200, -204

SKYD-200, -204 Displayed when LINEARIZE1=SQR

SKYD-204

Displayed on all

Setting

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5.4 Parameter List

No.

E Setting

E01 Alarm 1 Set Point SET POINT1 Alarm 1 set point

E02 Alarm 2 Set Point SET POINT2 Alarm 2 set point

E03 Alarm 1 Set Point SET POINT1 Alarm 1 set point

E04 Alarm 2 Set Point SET POINT2 Alarm 2 set point

E07 Alarm 1 Action ALM1 ACTION Displays the direction (direct/

Parameter Name Symbol Description Setting

SET(ALM)

Parameters(alarm)

Setting range SKYD-200: -999.9 to 999.9% (*1) SKYD-204: -19999 to 32000 (decimal point position set at DP1) Default SKYD-200: 100.0% SKYD-204: When ALM1 ACTION=DIRECT, SCH1 When ALM1 ACTION=REVERSE, SCL1 On the SKYD-204, this range is initialized when SCH1 and/or SCL1 are changed.

Setting range SKYD-200: -999.9 to 999.9% SKYD-204: -19999 to 32000 (decimal point position set at DP1) Default SKYD-200: 100.0% SKYD-204: When ALM2 ACTION=DIRECT, SCH1 When ALM2 ACTION=REVERSE, SCL1 On the SKYD-204, this range is initialized when SCH1 and/or SCL1 are changed.

Setting range SKYD-201: 0.0 to 100.0 (default: 10.0)

reverse) of action of alarm 1. The setting can be changed on models except SKYD-204. On the SKYD-204, displays the state of the jumpers on the main board.

Range

DIRECT REVERSE

Factory-set Value

DIRECT Displayed on all

Display Conditions

Displayed on SKYD-200, -204

Displayed on SKYD-201 Displayed on SKYD-201

E08 Alarm 2 Action ALM2 ACTION Displays the direction (direct/

E09 Alarm 1 Hysteresis

E10 Alarm 2 Hysteresis

E15 Alarm 1 ON Delay ON DELAY1 Sets the dead time until the

E16 Alarm 2 ON Delay ON DELAY2 Sets the dead time until the

E17 Alarm 1 OFF Delay OFF DELAY1 Sets the dead time until alarm

E18 Alarm 2 OFF Delay OFF DELAY2 Sets the dead time until alarm

HYSTERESIS1

HYSTERESIS2

reverse) of action of alarm 2. The setting can be changed on models except SKYD-204. On the SKYD-204, displays the state of the jumpers on the main board. Sets the hysteresis until the alarm 1 alarm state is canceled. Setting range Except SKYD-204: 0.0 to 100.0% SKYD-204: 0 to 100% of span (EUS) after scaling Default Except SKYD-204: 2.0% SKYD-204: 2.0% of span (EUS) after scaling On the SKYD-204, this range is initialized when SCH1 and/or SCL1 are changed. Sets the hysteresis until the alarm 2 alarm state is canceled. The setting range and default are the same as alarm 1 hysteresis. On the SKYD-204, this range is initialized when SCH1 and/or SCL2 are changed.

alarm is output after alarm 1 enters the alarm state.

alarm is output after alarm 2 enters the alarm state.

output is stopped after alarm 1 is released from the alarm state.

output is stopped after alarm 2 is released from the alarm state.

DIRECT REVERSE

0 to 999 s 0 s

REVERSE

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5.4 Parameter List

No.

E19 Alarm 1 Relay

E20 Alarm 2 Relay

D60 Self Check SELF CHK Displays the result

Parameter Name Symbol Description Setting

Action

RLY1 ACTION Specifies the direction of alarm

1 relay action. NRM DE-ENERGIZED:

De-energized during normal operation

NRM ENERGIZED:

Energized during normal operation

RLY2 ACTION Specifies the direction of alarm

2 relay action. NRM DE-ENERGIZED:

De-energized during normal operation

NRM ENERGIZED:

Energized during normal operation

(GOOD/ERROR) of the self check.

*1: For details on the Alarm Setting and Accuracy Warranty Range, see "2.1 Standard

Specifications."

Range

NRM DEENERGIZED

NRM ENERGIZED

NRM DEENERGIZED

NRM ENERGIZED

Factory-set Value

NRM DEENERGIZED

Display Conditions

Displayed on all

Setting

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5.4 Parameter List

No.

P Adjustment

P03 Zero Adjustment

P04 Span Adjustment

P60 Self Check SELF CHK Displays the result

Q Test Parameters TEST Q04 Alarm 1 Forced

Q05 Alarm 2 Forced

Q60 Self Check SELF CHK Displays the result

Parameter Name Symbol Description Setting Range Factory-set

Parameters

(Input 1)

Output

ADJUST

ZERO ADJ1 Performs zero adjustment (0% side) on input 1.

SPAN ADJ1 Performs span adjustment (100% side) on input 1.

RLY1 TEST Forcibly executes relay

RLY2 TEST

*1: After the test ends, press the OK key to cancel the forced output state and set to the normal

operation state.

The adjustment method is the same as ZERO ADJ1.

(GOOD/ERROR) of the self check.

output regardless of the input state.(*1)

(GOOD/ERROR) of the self check.

DE-ENERGIZED ENERGIZED

Value

Display Conditions

Displayed on all

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5.4.3 SKYD-30x Parameter List

5.4 Parameter List

No.

A01

A02

A08 Input Deviation INPUT DEV Deviation value (PV1-PV2) after input processing Displayed

A15

A16

A54

A55

B16 Alarm 2 Relay

B60 Self Check

Parameter Name

Analog Input 1 INPUT1 Input value before input processing (square root or scaling)

Analog Input 2 INPUT2 Input value before input processing (square root or scaling)

Alarm 1 Relay Display

Alarm 2 Relay Display

Status Display STATUS Displays the value added to the value (Hex) indicating the

Parameter Write Protect

Display

Symbol Description Display

(unit: V)

RLY1 STATUS Displays the state of the alarm 1 relay.

DE-ENERGIZED: De-energized ENERGIZED: Energized

RLY2 STATUS Displays the state of the alarm 2 relay.

DE-ENERGIZED: De-energized ENERGIZED: Energized

WRT PROTECT Displays the state of the Parameter Write Protect jumper.

OFF: Setting of parameters enabled ON: Setting of parameters disabled

Conditions

on all

Displayed on SKYD-304

on all

Setting

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5.4 Parameter List

No.

D Setting Parameters SET(I/O) D01 Tag Number 1 TAG NO.1 8 alphanumerics can be

D02 Tag Number 2 TAG NO.2 8 alphanumerics can be

D03 Comment 1 COMMENT1 8 alphanumerics can be

D04 Comment 2 COMMENT2 8 alphanumerics can be

D17 Input 1 Square Root

D19 Input 1 Low-cut LOW CUT1 Specifies low-cut point

D40 Input Decimal Point

D41 Input Scale L SCL1 Sets the conversion

D42 Input Scale H SCH1 Sets the conversion

D46 PV1 PV1 Displays the input value

D47 Input 1 Bias BIAS1 Adds the bias value to

D48 PV2 PV2 Displays the input value

D49 Input 2 Bias BIAS2 Adds the bias value to

D51 Display Mode DSP MODE Selects the display setter

D60 Self Check SELF CHK Result of self check

Parameter Name Symbol Description Setting Range Factory-set

entered.

Calculation

LINEARIZE1 Specifies square root

DP1 Sets the position of the

Position

*1: Initialized when changing SCH1, SCL1

entered.

calculation ON/OFF.

during square root calculation.

decimal point for the input scale (SCH1, SCL1).

standard value at 1V input to scale and display the input value in engineering units.

standard value at 5V input to scale and displays the input value in engineering units.

after input processing (scaling).

the value after input processing, and displays as the PV1.

after input processing (scaling).

the value after input processing, and displays as the PV2.

state after 30 minutes elapses after a key switch operation. OFF: Power save mode

Only the decimal point is displayed.

ON: Constant ON mode

Data is displayed at all times regardless of elapsed time.

(GOOD/ERROR) of the self check.

Value

OFF SQR

0.3 to 100.0 % 1.0 %

##### ####.# ###.## ##.###

-9999 to 9999 (engineering unit)

±10% of scaled span (EUS) *1

OFF ON

OFF Displayed on

####.# Displayed on

0.0

100.0

±0% of span (EUS) *1

Display Conditions

Displayed on all

SKYD-304 Displayed on SKYD-304 and when LINEARIZE1=SQR

SKYD-304

Displayed on all

5-20

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5.4 Parameter List

No.

E Setting

E05 Alarm 1 Set

E06 Alarm 2 Set

E07 Alarm 1 Action ALM1 ACTION Displays the direction (direct/reverse)

E08 Alarm 2 Action ALM2 ACTION Displays the direction (direct/reverse)

E09 Alarm 1

E10 Alarm 2

E15 Alarm 1 ON

E16 Alarm 2 ON

E17 Alarm 1 OFF

E18 Alarm 2 OFF

E19 Alarm 1 Relay

E20 Alarm 2 Relay

E60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check.

Parameter Name

Parameters (alarm)

Point

Hysteresis

Delay

Action

Symbol Description Setting Range Factory-set

SET(ALM)

SET POINT1 Alarm 1 set point

SET POINT2 Alarm 2 set point

HYSTERESIS1

HYSTERESIS2

ON DELAY1 Sets the dead time until the alarm is

ON DELAY2 Sets the dead time until the alarm is

OFF DELAY1 Sets the dead time until alarm output

OFF DELAY2 Sets the dead time until alarm output

RLY1 ACTION Specifies the direction of alarm 1 relay

RLY2 ACTION Specifies the direction of alarm 2 relay

*1: For details on the Alarm Setting and Accuracy Warranty Range, see "2.1 Standard Specifications."

Setting range SKYD-302: -999.9 to 999.9% (*1) SKYD-304: -19999 to 32000 (decimal point position set at DP1) Default SKYD-302: 100.0% SKYD-304: When ALM1 ACTION= DIRECT, SCH1-SCL1 When ALM1 ACTION= REVERSE, SCL1-SCH1 On the SKYD-304, this range is initialized when SCH1 and/or SCL1 are changed.

Setting range SKYD-302: -999.9 to 999.9% (*1) SKYD-304: -19999 to 32000 (decimal point position set at DP1) Default SKYD-302: -100.0% SKYD-304: When ALM2 ACTION=DIRECT, SCH1-SCL1 When ALM2 ACTION=REVERSE, SCL1-SCH1 On the SKYD-304, this range is initialized when SCH1 and/or SCL1 are changed.

of action of alarm 1. The setting can be changed on models except SKYD-304. On the SKYD-304, displays the state of the jumpers on the main board.

of action of alarm 2. The setting can be changed on models except SKYD-304. On the SKYD-304, displays the state of the jumpers on the main board. Sets the hysteresis until the alarm 1 alarm state is canceled. Setting range SKYD-302: 0.0 to 100.0% SKYD-304: 0 to 100% of span (EUS) after scaling Default SKYD-302: 2.0% SKYD-304: 2.0% of span (EUS) after scaling On the SKYD-304, this range is initialized when SCH1 and/or SCL1 are changed. Sets the hysteresis until the alarm 2 alarm state is canceled. The setting range and default are the same as alarm 1 hysteresis. On the SKYD-304, this range is initialized when SCH1 and/or SCL1 are changed.

output after alarm 1 enters the alarm state.

output after alarm 2 enters the alarm state.

is stopped after alarm 1 is released from the alarm state.

is stopped after alarm 2 is released from the alarm state.

action. NRM DE-ENERGIZED: De-energized

during normal operation

NRM ENERGIZED: Energized during

normal operation

action. NRM DE-ENERGIZED: De-energized

during normal operation

NRM ENERGIZED: Energized during

normal operation

DIRECT REVERSE

0 to 999 s 0 s

NRM DEENERGIZED

NRM ENERGIZED NRM DEENERGIZED

NRM ENERGIZED

Value

DIRECT Displayed on

REVERSE

NRM DEENERGIZED

Display Conditions

Display on all

all

Displayed on all

Setting

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5.4 Parameter List

No.

P Adjustment

P03 Zero Adjustment

P04 Span Adjustment

P05 Zero Adjustment

P06 Span Adjustment

P60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check. Displayed

Q Test Parameters TEST Q04 Alarm 1 Forced

Q05 Alarm 2 Forced

Q60 Self Check SELF CHK Displays the result (GOOD/ERROR) of the self check.

Parameter Name Symbol Description Setting Range Factory-set

Parameters

(Input 1)

(Input 2)

Output

ADJUST

ZERO ADJ1 Performs zero adjustment (0% side) on input 1.

SPAN ADJ1 Performs span adjustment (100% side) on input 1.

SPAN ADJ2 Zero adjustment (0% side) of input 2

SPAN ADJ2 Span adjustment (100% side) of input 2

RLY1 TEST Forcibly executes relay output

RLY2 TEST

*1: After the test ends, press the OK key to cancel the forced output state and set to the normal

operation state.

The adjustment method is the same as ZERO ADJ1.

Adjustment method is the same as ZERO ADJ1.

• On SKYD-304 only

Adjustment method is the same as ZERO ADJ1.

• On SKYD-304 only

regardless of the input state. (*1)

DEENERGIZED ENERGIZED

Value

Display Conditions

Displayed on all

on all

Displayed on all

5-22

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Chapter 6 Maintenance

Maintenance

This chapter describes the calibration procedures that can be done in the instrument room or service shop.

Maintenance

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Page 48

6.1 Test Equipment

For efficient maintenance of this alarm unit, it is recommended that the user have the following test equipment manufactured by Yokogawa or their equivalent.

● DC Voltage/Current Standard, Yokogawa GS200 or the equivalent……......... 1 set

(2 units are required in the case of the deviation alarm)

● Digital Voltmeter, Yokogawa DM7560 or the equivalent…............................... 1 set

● Handy Terminal, JHT200 (BT200)…………….................................................. 1 set

● Modular jack conversion adapter, Part No. E9786WH….................................. 1 set

6-2

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6.2 Check of Input

The JHT200 Handy Terminal is required for checking input.

• For details of operation and adjusting procedures of JHT200 Handy Terminal, refer

to the instruction manual ‘‘JHT200 Handy Terminal’’ (IM 77J50H01-01EN).

• Do not turn off the power of the instrument during adjustment.

6.2.1 Check for SKYD-10x and SKYD-20x

Only one input is supported on the SKYD-10x/20x. The adjustment parameters are as follows: P03: Zero Adjustment (Input 1) P04: Span Adjustment (Input 1) For details on adjusting these parameters, refer to the instruction manual “JHT200 Handy Terminal (IM 77J50H01-01EN).”

Use JHT200 Handy Terminal for adjustment. The procedure for adjustment is describes below. (a) Connect the test equipment corresponding to each of input referring to Figure 6-1. (b) Set the parameter write protect (W.P.) of setting jumper to OFF. (c) Turn on the power while the equipment is connected to the instrument, and allow a warm-

up period of about 5 minutes. (d) Connect JHT200 Handy Terminal. (e) Call P03: ZERO ADJ1 of the adjustment item (P: ADJUST). (f) Apply an input equivalent to 0% of the input range. Check the input value and the input

display value of P03: ZERO ADJ1. (g) If the input value does not correspond to the display value of P03, adjust it using P03

parameter. (h) Select INC (addition) or DEC (subtraction) for adjustment. (Selecting RST resets the

adjusted value and retrieves the factory-set default.) When the error is large, select HINC

or HDEC for adjustment using a value ten times as large as INC or DEC. (i) Perform the same procedure for the 100% of input range. Use the parameter P04: SPAN

ADJ1. (j) After completing the adjustment, set the parameter write protect (W.P.) of setting jumper

to ON as necessary.

Maintenance

Yokogawa DM7560 or the equivalent

Digital Multimeter (Measured with resistance range)

Yokogawa GS200 or the equivalent

DC Voltage/

Current Standard

Figure 6-1 Wiring for Adjustment (SKYD-10x, -20x)

IM 01B04K01-02E

J K

531

2 4 6

Power Supply

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6-3

Page 50

6.2 Check of Input

6.2.2 Check for SKYD-30x

Two inputs are supported on the SKYD-30x. Adjust Input 1 and Input 2 referring to “6.2.1 Check for SKYD-10x and SKYD-20x”. The adjustment parameters are as follows: P03, P04: Zero/Span Adjustment (Input 1) P05, P06: Zero/Span Adjustment (Input 2)

Yokogawa DM7560 or the equivalent

Digital Multimeter (Measured with resistance range)

Yokogawa GS200 or the equivalent

DC Voltage/

Current Standard

Input 1 Yokogawa GS200 or the equivalent

DC Voltage/

urrent Standard

Figure 6-2 Wiring for Adjustment (SKYD-30x)

Input 2

J K

531

2 4 6

Power Supply

F0601.ai

6-4

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6.3 Check of Alarm Set Point

• For details of operation and adjusting procedures of JHT200 Handy Terminal, refer to the instruction manual ‘‘JHT200 Handy Terminal’’ (IM 77J50H01-01E).

• Do not turn off the power of the instrument during adjustment.

6.3.1 Check for SKYD-10x and SKYD-20x

Use JHT200 Handy Terminal for check. The procedure for check is describes below. (a) Connect the test equipment corresponding to each of input referring to Figure 6-1

through Figure 6-2.

(b) Set the parameter write protect (W.P.) of setting jumper to OFF. (c) Turn on the power while the equipment is connected to the instrument, and allow a warm-

up period of about 5 minutes.

(d) Connect JHT200 Handy Terminal. (e) Call the setting (alarm) items, E: SET(ALM). (f) Set “DIRECT” for E07: ALM1 ACTION. (g) Set “NRM DE-ENERGIZED” for E19: RLY1 ACTION. (h) Set a value equivalent to 0% for E01: SET POINT1. (Example: Set “0.0”.) (i) Vary the input and confirm that the voltage when the alarm1 relay action indicator lamp on

front panel turns on is within ±0.2% of measuring range.

(j) Then set a value equivalent to 50% for SET POINT1. Confirm that the voltage when the

alarm1 relay action indicator lamp on front panel turns on is within ±0.2% of measuring range.

(k) Set a value equivalent to 100% for SET POINT1. Confirm that the voltage when the

alarm1 relay action indicator lamp on front panel turns on is within ±0.2% of measuring range.

(l) For SKYD-2xx, set E08 and E20 of alarm 2 as described above. Set the value equivalent

to 0%, 50% and 100% for E02 and confirm as above.

(m) After completing the check, set the parameter write protect (W.P.) of setting jumper to

ON as necessary.

Maintenance

6.3.2 Check for SKYD-30x

Two inputs are supported on the SKYD-30x. The deviation alarm operates in conjunction with the input deviation. Input deviation is the difference between input 1 and input 2. The formula is “input deviation = input 1-input 2”. For example, if input 1 is 5V and input 2 is 3V, the difference is 2V and the input deviation is + 50%. Set the alarm set value to E05: SET POINT1 or E06: SET POINT2 in the same way as SKYD-10x and -20x, and check the deviation alarm action.

Table 6-1 Relationship between Relay Action Indicator Lamp and Alarm Output

Indicator Lamp Condition of Alarm Output

ON (illuminated) Between terminals A and B OPEN

Between terminals J and B CLOSE Between terminals F and H OPEN Between terminals K and H CLOSE

OFF (extinguished) Between terminals A and B CLOSE

Between terminals J and B OPEN Between terminals F and H CLOSE Between terminals K and H OPEN

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6-5

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6.4 List of Replaceble Parts

Contact YOKOGAWA’s sales office or sales representative when replacing the spare parts.

Part Name Part Number Recommended

Fuse S9510VK Approx. 3 years If the fuse breaks or if the

Power supply unit

L3510YA: Standard L3510YF:

L3510YT: Option code /A2TB L3510YR: Option code /A2ER

Option codes /TB,

/FBP, or /REK

replacement period

replacement period elapses, please have the item replaced.

5-10 years As the aluminum electrolytic

capacitors used in the power supply unit are subject to deterioration from temperature and other operating conditions, we recommend the replacement period on the left.

Reference

6-6

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Chapter 7 Troubleshooting

Troubleshooting

If any fault occurs in the instrument, note the symptoms and follow Section 7.1.

Troubleshooting

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Page 54

7.1 Action in Fault Condition.

The SKYD has a self check function for detecting device errors on the actual SKYD itself. Details of SKYD errors can be confirmed on the display setter on the front panel and in the STATUS parameter using the JHT200 Handy Terminal. The blinking error display means failure.

Indication

on Display

Setter (*1)

Out Same state as power OFF Out Power supply error,

Out Lamp: All out

(AD.ER) Blinking

(EEP.ER) Blinking

(SU.ER) Blinking

Indication on Handy Terminal Device Operation Cause of Error Remedy

STATUS

(*2)

1000 ERROR AD ERROR Lamp: All out

0001 ERROR EEPROM

0002 ERROR EEPROM SUM

0008 ERROR INPUT OVER

0010 ERROR RANGE SET

0004 GOOD LOW_CUT Input at low-cut point or

0040 GOOD None Lamp: Normal action

0000 GOOD - - - -

SELF

CHK

Error

Information

Lamp: All out Alarm output: NO: Open, NC: Closed Key switch: Disabled Communications: Stopped

Alarm output: Normal Key switch: Disabled Communications: Normal action

Alarm output: NO: Open, NC: Closed Key switch: Disabled Communications: Normal action

ERROR

RANGE

ERROR

*1: On the SKYD-x04, the error details are indicated in alphabet characters. Note, however, that blinking errors are also displayed when parameter set point are displayed. When two or more errors occur, high priority errors are displayed. The table shows the errors in order of priority. *2: STATUS error code is to be the addition display (hexadecimal number) when two errors or more

occur.

*3: If errors continue even when the input is within the range, the input circuit is broken. Contact

YOKOGAWA's sales office or sales representative.

Lamp: All out Alarm output: NO: Open, NC: Closed Key switch: Disabled Communications: Unstable Lamp: All out Alarm output: NO: Open, NC: Closed Key switch: Disabled Communications: Unstable Lamp: Normal action Alarm output: NO: Open, NC: Closed Key switch: Enabled Communications: Normal action

Alarm output: Normal Key switch: Enabled Communications: Normal action

Hardware error Contact YOKOGAWA's

broken fuse

Display malfunction

A/D conversion error

EEPROM error

EEPROMSUM error (Parameter error)

Out of input range

-25 to +125% SCH1 and SCL1 are same values.

less Power interruption during operation

sales office or sales representative.

Set the input within the range.(*3) Set SCH1 or SCL1 again. Apply the input greater than the low-cut point. Write "0000" at the STATUS display on the Handy Terminal.

7-2

If any of the following errors occurs, alarm output is de-energized. Set “NRM ENERGIZED” (normally energized) to the BRAIN communication parameters E19 and E20 to detect the following errors by alarm output contacts. Hardware error, Power supply error, Broken fuse, A/D conversion error, EEPROM malfunction and Parameter error.

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Chapter 8 Power Supply Terminal Connections (Option /TB, /A2TB, and /REK)

Power Supply Terminal Connections (Options /TB, /A2TB, and /REK)

If you specify the terminal block to which the power source is directly connected (option codes: /TB, /A2TB, and /REK), the external wiring to the terminal block is necessary; therefore, drawing out the internal unit requires previous turning off of the power source and disconnection of the wiring from the terminal block.

Power Supply Terminal Connections (Option /TB, /A2TB, and /REK)

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8.1 External View and Names of Components

Output Terminal Block

Output Terminal Cover

Power Fuse

Power Terminal Cover

Input Terminal Block

Power Terminal

Power and Ground Terminal connection (Connection screw: M4)

Input Terminal Cover

Figure 8-1 External View and Names of Components

L N

Symbol

Description +　

Power supply

Ground

8-2

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8.2 Power Supply and Ground Wiring

(1) All cable ends must be furnished with crimp-on type solderless lugs (for 4 mm screws). (2) Examples of applicable cables:

Cross-sectional area of the cable conductor: 2.0 mm For the power supply, use cable having a cross-sectional area of at least 1.25 mm

Applicable cable: 600 V vinyle insulated cable (IV) stranded wires, conforming to JIS

C3307. PVC insulated cables for electric appliances (KIV) stranded wires, conforming to JIS C3316.

Note *: Power supply cables should be determined from the instrument power

consumption-they must have conductors with cross-sectional area of at least

1.25 mm2.

(3) Wirings to power supply and ground terminals should be made after completion of signal

terminal wirings.

(When signal terminal wirings are made after completion of power supply wiring, pull the

internal unit approximately half way out of the housing. Do not remove the power terminal block.)

(4) After completing the power supply and ground wiring, mount the power terminal cover.

. *

Power Supply Terminal Connections (Option /TB, /A2TB, and /REK)

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Page 59

General

Specications

Model SKYD (Style S) Alarm Unit

GS 01B04K01-02E

n GENERAL

The Model SKYD Alarm Unit accepts input signals, and provides absolute or deviation alarm outputs. Absolute alarms are output after comparison of input signals from a single source with one or two setpoints, and deviation alarms are output after comparison of input signals from two sources with two setpoints. Direct or reverse alarm action can be selected for each of the alarm output settings. The front panel is

provided with an alarm LED for conrming alarm relay operation (when relay is energized).

The JHT200 Handy Terminal* is used for setting Alarm Unit parameters. On the SKYD model with display

setter (SKYD-04), input indication (engineering unit) and alarm settings can be set on the front panel.

*: The BT200 BRAIN Terminal of YOKOGAWA

Electric Corporation can also be connected.

The adapter for modular jack (E9786WH) is

required for connecting the JHT200 Handy Terminal to the Alarm Unit.

n STANDARD SPECIFICATIONS

Input Signals

Input: 1 to 5 V DC Number of inputs: 1 (SKYD-1/2 type) or 2 (SKYD-3

Load Resistance: 1 MΩ

Square root extraction (absolute alarm only)

Computation: E = 2 E – 1 + 1

When E1 is less than low cut, E0 = E1 E0: Input Signal (after square root calculation), E

1: Input Signal (before square root calculation)

Output Signals

Output: Relay contact

Contact Capacity: 100 V AC, 1 A (resistive load) 220 V AC, 0.5 A (resistive load) 30 V DC, 1 A (resistive load) 110 V DC, 0.1 A (resistive load)

Contact Life Expectancy: 600,000 times Number of Outputs: 1 (SKYD-1 type) or 2 (SKYD-2/3

Alarm Functions

Alarm operation: 1 input absolute alarm (SKYD-1/2

2 input deviation alarm (SKYD-3

type)

0 1

type)

Alarm Setting

Input absolute alarm: 0 to 100% Input deviation alarm: -100 to +100% Hysteresis: 0 to 100% Alarm ON/OFF delay: 0 to 999 sec.

Input absolute alarm/deviation alarm:

-9999 to +9999 (engineering unit) Hysteresis: 0 to 9999 (engineering unit)

Direction of alarm action: Direct/reverse

Excluding SKYD-04 Selection by parameter setting

SKYD-04 Selection by jumper switch setting Direction of alarm relay action (at normal operation): De-energized/energized

Direction of alarm relay action: De-energized setting at normal operation

Action

Direct Relay de-energized Relay energized Reverse Relay energized Relay de-energized

Direction of alarm relay action: Energized setting at normal operation

Action

Direct Relay energized Relay de-energized Reverse Relay de-energized Relay energized

Input value or

deviation value

Input value or

deviation value

Alarm Output: 1 transfer contact for each setting

NO: (Normally Open) means open when relay is

not energized.

NC: (Normally Closed) means closed when relay

is not energized.

BRAIN Communication Function:

Alarm action is set and this function is specied

by the JHT200 Handy Terminal*.

Setting value

Setting

value

Setting

value

Input value or deviation value

GS 01B04K01-02E

12th Edition Sep. 2019(YK)

Page 60

Indicator setting function (SKYD-04):

Digital indicator 5-digit 7-segment LED (1 line) Indication range:

-19999 to +32000 (decimal point

At input value/input deviation value indication,

SP indicator is not indicated. LED indicators (ALM: yellow, SP: green) Alarm action indication (ALM1/2)

Alarm setting value indication (SP1/2)

Setter Setting (→, ↑, SET, ) switches 4 Setting enable switch 1 Alarm setting values can be set.

Indication Function (excluding SKYD-04):

Digital indicator is not provided LED indicators (ALM1/2: yellow)

Alarm action indicators (ALM1/2)

selectable)

Lit at relay energized state

Lit when alarm setpoint is displayed. (ALM2 and SP2 are provided on SKYD-2/3 type only.)

Lit at relay energized state (ALM2 is provided on SKYD-2/3 type only.)

n MOUNTING AND APPEARANCE

Mounting: Rack mounting Wiring

Signal Wiring: ISO M4 size (4 mm) screws on

Power and Ground Wiring

100 V version: JIS C 8303 two-pin plug with

Power supply terminal type (option

220 V version: CEE 7 VII (CENELEC standard)

Power supply terminal type (option

External Dimensions (depth behind panel): 180 (H) x 48 (W) x 300 (D) (mm) Weight: 1.7 kg (including rack-mounting case)

terminal block

earthing contact Cable Length: 300 mm

code /TB)

plug (option code /A2ER) Cable length: 300 mm

code /A2TB)

n STANDARD PERFORMANCE

Accuracy: ±0.2% of span

Maximum Power Consumption

SKYD-1 type 35 mA 3.2 VA 4.7 VA SKYD-2, 3 type 45 mA 3.8 VA 5.3VA

±0.5% of span with square root characteristic

Model

24 V DC 100 V AC 220 V AC

Power Supply

Power Supply Input Voltage: AC/DC both usage

100 V version: DC drive 20 to 130 V, no polarity AC drive 80 to 138 V, 47 to 63 Hz 220 V version: DC drive 120 to 340 V, no polarity AC drive 138 to 264 V, 47 to 63 Hz

Insulation Resistance

Between Input/alarm output terminal and Ground: 100 MΩ/500 V DC Between Power and Ground: 100 MΩ/500 V DC

Dielectric Strength

Between Input terminals and Ground: 500 V AC for 1 minute Between Alarm output terminal/Power and Ground: 1000 V AC for 1 minute (100 V version) 1500 V AC for 1 minute (220 V version)

n NORMAL OPERATING CONDITIONS

Ambient Temperature: 0 to 50°C Ambient Humidity: 5 to 90%RH (non-condensing)

Operating environment: Area free of hydrogen sulde

Continuous vibration: (at 5 to 9 Hz) Half amplitude of

Impact: 49 m/s

Installation altitude: 2,000 m or less above sea level Warm-up time: 15 minutes or more after the power is

times each

or less, 11 ms, 3 axes, 6 directions, 3

turned on

gas and other corrosive gases and dust and where the device is not exposed to sea breeze or direct sunlight.

1.5 mm or less (at 9 to 150 Hz) 4.9m/s 1 oct/min for 90 minutes each in the three axis directions

or less,

n TRANSPORT AND STORAGE

CONDITIONS

Temperature: -25 to 70°C Temperature change rate: 20°C per hour or less Humidity: 5 to 95%RH (no condensation)

n OPTIONS

/NHR: Without rack case (internal unit only) /FBP: Power supply fuse bypass /LOCK: Power supply plug with lock /WSW: With spring washer /REK: Mount to same line with EK series rack /TB: With power supply terminal /A2TB: 220V version with power supply terminal /A2ER: 220V version with power supply plug

n POWER SUPPLY AND ISOLATION

Power Supply Rated Voltage: 100 V version: 24-110 VDC 100-120 VAC 220 V version: 135-300 VDC 200-240 VAC

, -10 %, +10 %, 60 mA

, -10 %, +10 %, 50/60 Hz, 6.0 VA

, -10 %, +10 %, 10 mA

, -10 %, +10 %, 50/60 Hz, 8.0 VA

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Page 61

n TERMINAL CONNECTIONS

Terminal arrangement

OUT

HFDCB

Terminal

Designation

A NC

Description

Alarm output 1 B COM C D F NC Alarm output 2

(*1)

H COM J NO K NO

Do not connect to the output terminal when the terminal is not in use.

*1: Except SKYD-1 type.

Terminal

Designation

1 + 2 -

Description

Input 1

3 4 5 + 6 -

Input 2

(*2)

7 8

*2: For SKYD-3 type only.

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Page 62

n EXTERNAL DIMENSIONS

Power supply plug type

180

Cable length: 300 mm

136

30052

SKYD-x00 SKYD-x01 SKYD-x02

SKYD-x04

Trigonometry Unit: mm General tolerance = ±(value of tolerance class IT18 based on JIS B 0401-2016) / 2

Power supply terminal type(option /TB or /A2TB)

180

F01.ai

13622

SKYD-x00 SKYD-x01 SKYD-x02

SKYD-x04

Power supply terminal block

L N

Trigonometry Unit: mm General tolerance = ±(value of tolerance class IT18 based on JIS B 0401-2016) / 2

71 300

Power and Ground Terminal connection (Connection screw: M4)

Symbol

Description +　

Power supply

Ground

GS 01B04K01-02E

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Sep.17, 2019-00

Page 63

Power supply terminal type(option /REK)

200

2-ø7

5 190

SKYD-x00 SKYD-x01 SKYD-x02

SKYD-x04

71 300

Power supply terminal block

L N

Power and Ground Terminal connection (Connection screw: M4)

Symbol

Description +　

Power supply

Ground

Trigonometry Unit: mm General tolerance = ±(value of tolerance class IT18 based on JIS B 0401-2016) / 2

32 136

F03.ai

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Page 64

n MODEL & SUFFIX CODES

Model Su󰀩x Codes Option Codes Descriptions

SKYD Alarm Unit

Alarm-1-2

Su󰀩x Code 0 Always 0

Setting Scale

Style Code *S Style S

Option Codes

-3

0 1

(*1)

2 4

/NHR /FBP /LOCK

(*4) (*5)

*4: /LOCK, /REK, /TB, and /A2TB cannot be specied together. *5: /FBP and /A2TB cannot be specied together.

/WSW /REK /TB /A2TB /A2ER

1 input, 1 setpoint absolute alarm 1 input, 2 setpoints absolute alarms 2 inputs, 2 setpoints deviation alarms

0 to 100 linear 0 to 10 square root

-100 to +100 linear (deviation alarm) Actual scale (with display setter)

(*2)

(*3)

n ACCESSORIES

Alarm label: 1 sheet

n ORDERING INSTRUCTIONS

1. Model and su󰀩x codes and option codes, if necessary

Subject to change without notice.

GS 01B04K01-02E

Sep.17, 2019-00

Page 65

Revision Information

 Title : Model SKYD (Style S) Alarm Unit

 Manual No. : IM 01B04K01-02E

Jul. 2002/8th

Renewal

Feb. 2003/9th

Correct

May 2004/10th

Change of the company name.

Oct 2019/11th

Change of the style number.

 Written by Yokogawa Electric Corporation  Published by Yokogawa Electric Corporation

2-9-32 Nakacho, Musashino-shi, Tokyo 180-8750, JAPAN

Page 66

YOKOGAWA ELECTRIC CORPORATION

Headquarters

9-32, Nakacho, 2-chome, Musashino-shi, Tokyo, 180-8750 JAPAN Phone : 81-422-52-5555

Branch Sales Offices

Osaka, Nagoya, Kurashiki, Hiroshima, Fukuoka, Kitakyusyu

YOKOGAWA CORPORATION OF AMERICA

Head Office

12530 West Airport Blvd, Sugar Land, Texas 77478, USA Phone : 1-281-340-3800 Fax : 1-281-340-3838

Georgia Office

2 Dart Road, Newnan, Georgia 30265, USA Phone : 1-800-888-6400 Fax : 1-770-254-0928

YOKOGAWA AMERICA DO SUL LTDA.

Praca Acapulco, 31 - Santo Amaro, Sáo Paulo/SP, BRAZIL, CEP-04675-190 Phone : 55-11-5681-2400 Fax : 55-11-5681-4434

YOKOGAWA EUROPE B. V.

Euroweg 2, 3825 HD Amersfoort, THE NETHERLANDS Phone : 31-88-4641000 Fax : 31-88-4641111

YOKOGAWA ELECTRIC CIS LTD.

Grokholsky per 13 Building 2, 4th Floor 129090, Moscow, RUSSIA Phone : 7-495-737-7868 Fax : 7-495-737-7869

YOKOGAWA CHINA CO., LTD.

3F Tower D Cartelo Crocodile Building, No.568 West Tianshan Road, Shanghai 200335, CHINA Phone : 86-21-62396262 Fax : 86-21-62387866

YOKOGAWA ELECTRIC KOREA CO., LTD.

(Yokogawa B/D, Yangpyeong-dong 4-Ga), 21, Seonyu-ro 45-gil, Yeongdeungpo-gu, Seoul, 07209, KOREA Phone : 82-2-2628-6000 Fax : 82-2-2628-6400

YOKOGAWA ENGINEERING ASIA PTE. LTD.

5 Bedok South Road, Singapore 469270, SINGAPORE Phone : 65-6241-9933 Fax : 65-6241-2606

YOKOGAWA INDIA LTD.

Plot No.96, Electronic City Complex, Hosur Road, Bangalore - 560 100, INDIA Phone : 91-80-4158-6000 Fax : 91-80-2852-0625

YOKOGAWA AUSTRALIA PTY. LTD.

Tower A, 112-118 Talavera Road, Macquarie Park NSW 2113, AUSTRALIA Phone : 61-2-8870-1100 Fax : 61-2-8870-1111

YOKOGAWA MIDDLE EAST & AFRICA B.S.C.(C)

P.O. Box 10070, Manama, Building 577, Road 2516, Busaiteen 225, Muharraq, BAHRAIN Phone : 973-17-358100 Fax : 973-17-336100

Oct. '18

YOKOGAWA SKYD-3, SKYD-2, SKYD-1 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Chapter 1 Introduction

1.1 Inspection

1.2 Documentation Conventions

1.3 Notice

1.4 Compatibility with Previous Models

Chapter 2 General

2.1 Standard Specifications

2.2 Model and Suffix Codes

2.3 Accessories

Chapter 3 Installation

3.1 External Wiring

3.2 Example of Alarm Wiring

3.2.1 High-limit and High-high-limit Alarms

3.2.2 Three-position Alarm

Chapter 4 Principles of Operation

4.1 Principle of Operation

4.2 Description of Functions

4.2.1 SKYD-10x/20x Functions

4.2.2 SKYD-30x Functions

4.3 Example of Alarm Function Setting

4.3.1 Condition of Alarm Function

4.3.2 Parameters of Alarm Function

4.3.3 Operating Condition of Alarm Function

Chapter 5 Setting

5.1 Names of Components

5.2 Setting Jumper

5.2.1 Check of Setting Jumper and its Location

5.3 Setting of Parameters

5.3.1 Parameter Change Disable Function

5.3.2 Setting of Parameters Using Display Setter (SKYD-x04)

5.3.3 Setting of Parameters Using Handy Terminal

5.4 Parameter List

5.4.1 SKYD-10x Parameter List

5.4.2 SKYD-20x Parameter List

5.4.3 SKYD-30x Parameter List

Chapter 6 Maintenance

6.1 Test Equipment

6.2 Check of Input

6.2.1 Check for SKYD-10x and SKYD-20x

6.2.2 Check for SKYD-30x

6.3 Check of Alarm Set Point

6.3.1 Check for SKYD-10x and SKYD-20x

6.3.2 Check for SKYD-30x

6.4 List of Replaceble Parts

Chapter 7 Troubleshooting

7.1 Action in Fault Condition.

Chapter 8 Power Supply Terminal Connections (Option /TB, /A2TB, and /REK)

8.1 External View and Names of Components

8.2 Power Supply and Ground Wiring