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Dc/ac 24 v power supply (/p1), Log scale (/lg1) – Yokogawa Value Series FX1000 User Manual

Page 279

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13-14

IM 04L21B01-01EN

DC/AC 24 V power supply (/P1)

Item

Specifications

Rated supply voltage

24 VDC and 24 VAC (50/60Hz)

Allowable power supply voltage range

21.6V to 26.4 VDC/AC

Insulation resistance

Between power terminal and earth: 20 MΩor greater at 500 VDC.

Withstand voltage

Between power terminal and earth: 500 VAC at 50/60 Hz for one minute

Rated power supply frequency (for AC)

50/60 Hz

Allowable power supply frequency range (for AC)

50 Hz ±2%, 60 Hz ±2%

Power supply fluctuation:

With variation within 21.6 to 26.4 VDC/AC: ±1digit or less

Power supply frequency fluctuation (for AC):

With variation of ±2 Hz from rated power supply frequency: ±(0.1% of rdg+1digit) or less

Rated power consumption 18 VA (for DC), 30 VA (for AC)
Power consumption


Supply voltage

LCD backlight off

Normal

Maximum

24 VDC

5 VA

7 VA

18 VA

24 VAC (50/60Hz)

8 VA

12 VA

30 VA

Log Scale (/LG1)

Item

Specifications

Function

A logarithmic voltage that has been converted from a physical value is applied to the FX, and then

the FX’s Log scale (logarithmic scale) is used to display and record the physical value.

Input type

Log input: Logarithmic input (LogType1)

Log linear input: Input that is linear on a logarithmic scale (LogType2)

Pseudo log input: An input that supports pseudo logs. (LogType2)

Nonlinear log input: An input that supports nonlinear logs on which calibration correction (/CC1

option) is applied.

Calibration correction is performed using voltage values. (LogType1)

Range

20 mV, 60 mV, 200 mV, 2 V, 6 V, 20 V, 50 V, and 1 V

Unitl

Up to 6 characters

Scalable range

Log input (LogType1)
1.00E–15 to 1.00E+15 (15 decades maximum)
Lower limit mantissa range: 1.00 to 9.99. Upper limit mantissa range: 1.00 to 9.99.
Scale_L < Scale_U
If the lower limit mantissa is 1.00, the difference between the exponents must be 1 or more.

If the lower limit mantissa is a value other than 1.00, the difference between the exponents must

be 2 or more.

Log linear input/Pseudo Log Input (LogType2)
Lower limit mantissa range: 1.00 to 9.99. Upper limit mantissa range: N/A (the value is the same

as the lower limit mantissa).
If the lower limit mantissa is 1.00, the value must be between 1.00E–15 and 1.00E+15, the

difference between the exponents must be 1 or more, and the maximum decades is 15.

If the lower limit mantissa is a value other than 1.00, the value must be between 1.01E–15 and

9.99E+14, the difference between the exponents must be 1 or more and the maximum decades is 14.

Alarm
Kind

High limit, low limit, delay high limit, and delay low limit

Range

1.00E–16 to 1.00E+16, mantissa: 1.00 to 9.99

Hysteresis

0% (fixed)

Color scale band range

1.00E–16 to 1.00E+16, mantissa: 1.00 to 9.99

The display position lower limit must be less than the display position upper limit.

Number of mantissa display digits

2 or 3

13.5 Options