Yokogawa EJX530B User Manual

Page 81

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<10. Parameter Summary>

10-6

IM 01C27F01-01EN

Object

ID

Attribute

ID

Label

Description

Default

value

Handling

5.

AI1

block

(continued)

29

Transducer Value

When Simulate Switch is set to Disable, this value

is used as the input value for the AI object. Refer to

Figure 10.1.

Disable

R

30

Simulate Value

When Simulate Switch is set to Enable, this value is

used as the input value for the AI object.

The input value can be changed.

---

W

51

Upper Limit

Indicates the upper limit (URL) for the pressure.

---

R

52

Lower Limit

Indicates the lower limit (LRL) for the pressure.

---

R

53

PV Range

Sets the measurement range.

1. EU at 100% : Indicates input value of the upper

limit.

2. EU at 0% : Indicates input value of the lower limit.

3. Units Index : Indicates the units of the

measurement range.

4. Decimal : Indicates the digit number below the

decimal point.

EU at 100%

= 100

EU at 0%

= 0

Units Index

= kPa (1133)

Decimal

= 2

W

54

Linearization Type

Select either No Linearization or Square root as a

setting of the output range.

0 = No Linearization :

Provides an output value scaled according to the

PV Range and Scale range settings.

(To use Direct with FF, set the same value for PV

Range and Scale.)

10 = Square root :

Provides a square root output computed for the

value scaled according to the PV Range and Scale

range settings.

0

W

55

Flow Constant

Indicates the flow coefficient, which shows the

correlation between the flow rate value and square root

value of the differential pressure.

1.0

W

56

Lower Cutoff

Specifies the low cut value. The unit is subject to

Scale.Units Index.

10

W

57

Cal Cmd

Specifies the calibration method.

0 = CAL_NONE : Initial state in which calibration is

not performed

1 = CAL_LOW : Applies an actual input and adjusts

the lower limit using the value specified in

Calibration Lowest Point.

2 = CAL_HIGH : Applies an actual input and adjusts

the higher limit using the value specified in

Calibration Highest Point.

5 = CAL_CLEAR : Clears the adjustment variable.

0 (reading

value is

always 0)

W

58

Cal Status

Indicates the calibration status.

0 = CAL_NONE : Start-up and default value

1 = CAL_SUCCESS : Indicates that calibration was

successful.

7 = CAL_BAD_TRIM_POINT : Indicates this status

when the adjustment variable is outside of range.

---

R

59

Calibration Highest

Point

Specifies the higher limit adjustment variable for

adjustment between two points.

---

W

60

Calibration Lowest

Point

Specifies the lower limit adjustment variable for the

adjustment between two points.

---

W

61

Calibration

Minimum Span

Indicates the minimum span of the adjustment

variable.

---

R

104

External Zero Trim Allows performing external zero adjustment.

(Trim on, Trim off)

Trim on

W

105

Low Cut Mode

Specifies the low cut mode.

(Linear, Zero)

Linear

W

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