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App index – Yokogawa Value Series FX1000 User Manual

Page 86

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Measurement Channels and

Alarms

IM 04L21B01-01EN

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App

Index

Setup Items

• First-CH, Last-CH

Select the target channels. The target channels are common with the other items that

are displayed on the screen.

• Alarm > 1, 2, 3, and 4

For each alarm, 1 to 4, select

On to enable it.

• Alarm > Type

Select the alarm type.

Settings Name

Description

H

High limit alarm

L

Low limit alarm

h

Difference high limit alarm

Can be specified on channels set to difference

computation.

l

Difference low limit alarm

Can be specified on channels set to difference

computation.

R

High limit on rate-of-change alarm

r

Low limit on rate-of-change alarm

T

Delay high limit alarm

t

Delay low limit alarm

Alarms on channels set to difference computation are inserted at the following

positions.

Input value

Measured value on the reference channel

H, L, T, t

R, r, h, l

Measured value

-

• Alarm > Value

Set the alarm value for the selected alarm type.

When the Mode of the Channel Is Set to Volt, TC, RTD, or DI

Type Value

Example of a Range of Alarm Values

H, L Value in the measurable range

–2.0000 to 2.0000 V for 2 V range

R, r 1 digit to the upper limit of the width

0.0001 to 3.0000 V for 2 V range

of the measurable range

However, less than or equal to 30000 0.1 to 1760.0°C for thermocouple type R

excluding the decimal point.

T, t Same as H and L.

Same as H and L.

When the Mode of the Channel Is Set to Delta

Type Value

Example of a Range of Alarm Values

H, L Value in the measurable range

–2.0000 to 2.0000 V for 2 V range

h, l

Value in the measurable range

–1760.0 to 1760.0°C for thermocouple type R

R, r 1 digit to the width of the measurable 0.0001 to 3.0000 V for 2 V range

range

However, less than or equal to 30000 0.1 to 1760.0°C for thermocouple type R

excluding the decimal point.

T, t

Same as H and L.

Same as H and L.

When the Mode of the Channel Is Set to Scale, Sqrt, or 1-5V

Type Value

Example of a Range of Alarm Values

H, L –5% to 105% of the scale width.

–5.0 to 105.0 when the scale is 0.0 to 100.0

However, within –30000 to 30000

–120.00 to 300.00 when the scale is –100.00

excluding the decimal point.

to 300.00

R, r Within 1 to 30000 excluding the

0.1 to 3000.0 when the scale is 0.0 to 100.0

decimal point.

0.01 to 300.00 when the scale is –100.00 to

300.00

T, t

Same as H and L.

Same as H and L.

3.7 Setting Alarms on Channels