WATANABE WSPA-F2AL Manuel utilisateur

6-16-19, JINGUMAE, SHIBUYA-KU, TOKYO 150-0001, JAPAN

TEL: +81-3-3400-6147 FAX: +81-3-3409-3156

1/4 ＩＭ０８７３-００

Operating Instructions

WSPA-F2AL

WSPA-F2ALW

FREE SPEC 2-INPUT ARITHMETIC

AND LOGIC UNIT

We thank you for purchasing the product manufactured by

Watanabe Electric Industry Co., Ltd. Please use the product in

accordance with this manual after confirming that the contents

on the rating label of the product conform to the specifications

you required.

This instruction manual explains how to handle, connect,

and adjust this product.

We are sure that you will be satisfied with this product

because this product has been manufactured and inspected in

accordance with the strict quality control standards. In case of

trouble such as damage during transportation, please contact

your dealer or us as soon as possible.

○Package Includes

●Arithmetic and logic unit 1 unit

●Socket 1 piece

1. Product Outline

This unit is a small type plug-in converter designed to

convert two direct current or voltage signals into a direct

current or voltage signal that depends on various arithmetic

processes provided to the inputs including addition and

subtraction.

This product is a digital type CPU-equipped arithmetic and

logic unit. The dedicated setting tool of the unit allows users

to change the primary input range, secondary input range,

output range, arithmetic item, arithmetic expression, and

parameters and perform monitoring as well as provide a

simulated input/output in the field.

* The WSPA-specific setting tool and dedicated USB cable

are separately required to change the settings of this

product. Refer to the instruction manual for the WSPA

setting tool for further information.

2. Functions and Features

●The primary input range, secondary input range, output

range, arithmetic item, arithmetic expression, and

parameters are changeable at your choice.

●Up to 5 arithmetic processes available by multi-computing

system.

●Realization of 5-year guarantee owing to long life design

●Universal power supply supported

●CE Marking compliance

●RoHS Directive compliance

3. Cautions

1) When this product is used as a CE Directive-compliant

item:

●This product complies with Installation Category II,

Pollution Degree 2, and Maximum Operating Voltage of

300 volts required by CE Directive. Basic insulation is

provided for insulation capability between power supply

terminal and input･output of signals. Make sure that the

insulation class of this product meets the required

specification before installation.

● Follow the definition that this product is designed to be

installed in a control panel.

● This product shall be used at an altitude equal to or

below 2000 meters.

● Appropriate space and creeping distance shall be

provided. Inappropriate wiring may revoke compliance

with CE Marking.

CE Directive: Electromagnetic Compatibility Directive

EMI EN61000-6-4

EMS EN61000-6-2

The wiring length should be not more than

30 m.

Low Voltage Directive EN61010-1

RoHS Directive EN50581

●Insulation resistance:

Among Input-primary output-secondary output-power

supply terminal

100 M ohms or more/500 V DC

●Withstand voltage:

Among Input-primary output-secondary output-power

supply terminal

2000 V AC for 1 minute

2) Power supply

●Check the rating label.

①For rating: 100-240 V AC

100-240 V AC±10% (50/60 Hz),

approx. 5.5 VA (F2AL), approx. 7 VA (F2ALW)

②For rating: 24 V DC

24 V DC±10%, approx. 100 mA (F2AL),

approx. 130 mA (F2ALW)

③For rating: 100-120 V DC

100-120 V DC±10%, approx. 25 mA (F2AL),

approx. 30 mA (F2ALW)

3) When handling

●When this product is connected to or disconnected from

the socket, be sure to turn off the power and stop the

input signal for safety.

●When a screw on this product is touched or the

output control switch is operated, be sure to touch

any metal object to release static electricity

beforehand.

4) Installation

●Be sure to use this product indoors.

●If this product is installed in a place with a lot of dust or

metal particles, use a dust-proofing case with heat

releasing measures to keep this product clean.

●Avoid vibration or shock to this product as much as

possible. Failure to observe this may cause trouble.

●Install this product within the operating temperature

range of –5 to 55 degrees C.

●Install this product with the operating humidity of 90%

RH or less (no freezing, no condensation).

●Do not block the ventilation slot of this product.

5) Wiring

● Keep the power supply line, input line, and output line

away from the noise sources, relay drive line, and high

frequency line.

●Avoid bundling the line of this product together with the

line of superimposed noise and holding the line in the

same duct in which the line of superimposed noise is

held.

6) Setting change with use of the setting tool

●The setting tool of this product allows users to change

the settings of the parameters, and the settings are stored

in the internal memory.

(The same holds true for the output adjustment value.

Refer to Section 9 for further information.)

The write limit to the internal memory is 10,000 times at

minimum.

6-16-19, JINGUMAE, SHIBUYA-KU, TOKYO 150-0001, JAPAN

TEL: +81-3-3400-6147 FAX: +81-3-3409-3156

2/4 ＩＭ０８７３-００

●Do not change settings during operation.

●The settings of this product can be stored in a DAT file.

The settings also can be loaded from a DAT file to this

product. However, do not load the settings from the

DAT file that was created or edited with use of other

than the setting tool to this product. Failure to

observe this may cause malfunction or trouble, and

then, we cannot guarantee proper operation of this

product.

* Refer to the instruction manual for the setting tool for

further information.

7) Caution other than the above

●It takes 30 minutes to assure full performance of this

product even this product can be operated immediately

after turning on the power.

4. Dimensional Drawing

5. Circuit Configuration

6. How to Mount

When mounting the product on a wall, refer to the installation

dimension diagram.

The diagram below shows the minimum mounting clearance

between adjacent units.

7. How to Connect to/Disconnect from

DIN Rail

1) How to secure the socket

Engage the hook on the rear upper

side of the socket with the rail with

the slider on the bottom side of the

socket downward, and press the

lower side of the socket in the arrow

direction as shown in the drawing to

secure the socket.

2) How to secure the main unit to

the socket

Position the main unit so that the

characters in the front label can be

read in the appropriate direction,

press the main unit into the socket,

and screw the main unit to secure it.

3) How to disconnect the main unit

from the socket

Loosen the screws that secure the

main unit, and pull the unit out in a

straight line.

4) How to disconnect the socket

Put a flat head screwdriver into

the slider slot of the socket and

pull the lower side of the socket

in the arrow direction ②while

pulling the screwdriver in the

arrow direction ①.

8. How to Connect

Terminal

No.

Sign

Description

INPUT1

These terminals receive the

specified

input signals.

COM

INPUT2

No.2

OUTPUT

Signals are provided in accordance

with the input/output specifications.

(*1)

No connection

No.1

OUTPUT

Signals are provided in accordance

with the input/output specifications.

No connection

POWER

U(+)

Connect the rated voltage power

supply.

V(-)

*1 NC (no connection) for F2AL

* No line shall be connected to NC.

6-16-19, JINGUMAE, SHIBUYA-KU, TOKYO 150-0001, JAPAN

TEL: +81-3-3400-6147 FAX: +81-3-3409-3156

3/4 ＩＭ０８７３-００

9. How to Adjust Output

We have already performed output adjustment in

accordance with your requests at your order. Therefore, no

output adjustment is required if you operate this product

within your requested specifications. If matching with devices

to be connected or regular calibration is required, follow the

steps below.

For calibration, use signal sources (including a standard

voltage/current generator) and measuring instruments

(including a voltmeter and an ammeter) the tolerances of both

of which are more than 10 times that of this product and wait

for 30 minutes or more after turning on the power.

Output adjustment is performed with the setting switch on

the front side of this product.

○How to adjust

①Set the selection switch 1 (SW SET) to ON.

This action enables switch operation.

If the setting tool is connected, communication is shut

off.

②Set the selection switch 2 (M OUT) to OFF.

③Set the selection switch 4 (ZS SEL) to ZERO.

Use the UP or DOWN switch to adjust the output to 0%

when a 0%-equivalent input is provided and the select

switch 3 (CH SEL) is set to OUT1 or OUT2.

④Set the selection switch 4 (ZS SEL) to SPAN.

Use the UP or DOWN switch to adjust the output to 100%

when a 100%-equivalent input is provided and the select

switch 3 (CH SEL) is set to OUT1 or OUT2.

⑤Provide a 0%-equivalent input signal again to make sure

that the output is 0%.

If the output deviates, repeat the steps 􀁥and 􀁥.

⑥Set the selection switch 1 to OFF after completion of

adjustment.

At this moment, the adjusted values are written into the

internal memory and switch operation becomes disabled.

* The adjusted values are written into the internal memory

and turning on or off the power does not clear the values.

To restore the settings to factory defaults, use the setting

tool to initialize the settings.

The write limit to the internal memory is 10,000 times at

minimum.

* If the power is turned off during adjustment, the adjusted

values are not written into the internal memory.

* approximately ±10% fs.

10. Simulated Output Function

This product is equipped with the simulated output function

to conduct tests including connection test.

The simulated output is performed with the setting switch

on the front side of this product. (Refer to the drawing in

Section 9 for the switch position.)

○Simulated output procedure

①Set the selection switch 1 (SW SET) to ON

This action enables switch operation.

If the setting tool is connected, communication is shut

off.

②Set the selection switch 2 (M OUT) to ON.

③The simulated output is provided to the channel selected

with the selection switch 3 (CH SEL). (An output

according to an input is provided to the unselected

channel.)

The simulated output value varies with unipolar or bipolar

setting.

Use of the UP and DOWN switches provides users with 3

steps of outputs.

Unipolar: (DOWN) 0% ⇔50% ⇔100% (UP)

Bipolar: (DOWN) -100% ⇔0% ⇔100% (UP)

④Set the selection switch 1 to OFF after completion of

adjustment.

11. Operation beyond Specifications

1) Excessive input

If an input signal beyond the upper limit is provided, the

output signal increases almost in proportion to the input

until approximately 120% fs of scaling setting. But even if

an excessive input signal is provided more, the output

signal does not increase any more.

2) Insufficient input

The output is described below when an input signal below

the lower limit is provided.

(a) For unipolar setting, the output signal decreases almost

in proportion to the input until approximately -20% fs

of scaling setting. But even if an insufficient input

signal is provided more, the output signal does not

decrease any more.

(b) For bipolar setting, the output signal decreases almost in

proportion to the input until approximately -120% fs of

scaling setting. But even if an insufficient input signal

is provided more, the output signal does not decrease

any more.

3) Load beyond specifications

(a) For current output, if the input exceeds the “range of

allowable load resistance”, the output is provided

almost in proportion to the input until the voltage

between the output terminals becomes approximately

15 volts. But if the output becomes larger, the output is

saturated resulting in larger error.

(b) For voltage output, if the input falls below the “range of

allowable load resistance”, the output is saturated

resulting in larger error.

6-16-19, JINGUMAE, SHIBUYA-KU, TOKYO 150-0001, JAPAN

TEL: +81-3-3400-6147 FAX: +81-3-3409-3156

4/4 ＩＭ０８７３-００

12. PC Settings

The dedicated setting tool of this product allows users to

specify the input/output parameters listed below.

Refer to the instruction manual for the setting tool for

further information.

(Refer to the instruction manual for the setting tool also for

the settable arithmetic function.)

Password

4 one-byte characters

Comment

16 one-byte characters

(8 two-byte characters)

Computing range

Selection between unipolar (0 to 100%)

and bipolar (-100 to 100%) for

input/output signal processing

(Default: unipolar)

Input scaling

(Input % range

adjustment)

Any value within input range (±120%

fs)

Input filter

Use or nonuse of moving average

processing

(Default: use)

Input low level cut

Low level cut value of input signal in %

(None or 0.00 to 120.00%)

(Default: none)

*Disabled at bipolar setting

Ratio and bias

(Functions ①,②

default

arithmetic setting)

Output in alignment relative to input

Specifying ratio (-9.999 to 9.999) and

bias (-999.99 to 999.99)

(Default: ratio of 0.500 and bias of 0.00)

Addition and

subtraction

(Function ⑤default

arithmetic setting)

Output resulting from adding to or

subtracting from input Specifying

coefficient (-1000.0 to 1000.0) for each

input

(Default: 100.0)

Output scaling

(Output % range

adjustment)

Any value within output range

Voltage: ±120% fs of output range

Current: -20 to +120% fs of output

range

Output low level cut

Low level cut value of output in %

(None or 0.00 to 120.00%)

(Default: none)

* Disabled at bipolar setting

Startup delay time

Period from power-on to output start (0

to 99 sec.)

(Default: 0)

Simulated input/output

Simulated input/output in % or real

quantity

Data monitor

Input/output monitoring in % and real

quantity (This operation also can be

performed at settings.)

Initialization

Restored to factory defaults

* The settings can be stored in the flash memory located in

the converter main unit. The write limit to the memory is

10,000 times at minimum.

(Retention period: 100 years at minimum)

* Do not write to the memory during operation.

(The product may unstably operate during writing.)

* The numbers within the parentheses such as function ①

and function ②indicate the setting position in

“Conversion/Arithmetic Setting” for the setting tool. Refer

to the instruction manual for the setting tool for arithmetic

items and operator.

13. Guarantee

This product is guaranteed for 5 years after delivery. If a

failure occurs under normal operation during the guaranteed

period, contact your dealer or us as soon as possible.

We will collect the product and repair it free of charge, or

replace the product with new one.

We shall not be liable for use of this product that was

disassembled or modified or under abnormal conditions.

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