Watlow Series SD31 PID with Optional Countdown Timer Instrukcja Użytkownika Pobierz pdf (Strona 24)

Watlow Series SD31 ■ 22 ■ Chapter 5 Setup

Display Parameter Name

Description

Settings Range

(Integer values for Modbus

in parentheses.)

Default Modbus*

(less 40,001

offset)

Read/Write

Appears if:

Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus.

* Low register numbers contain the two higher bytes; high register numbers contain the two lower bytes of the four-byte integer.

Decimal precision is implied at three decimal places unless otherwise noted.

Caution: Writing to registers continuously, such as ramping set points via comms, will damage the SD31 EEPROM memory. See page 59.

[Sc;Lo]

[Sc.Lo]

Process Scale Low

Set the low scale for process inputs.

0.00 to 20.00 mA: if

[`Sen]

is set to

[`mA]

(0000 to 20000)

0.00 to 10.00V: if

[`Sen]

set to

[uoLt]

(0000 to 10000)

4.00 mA

0.00V

*73, 74

R/W (mA)

*77, 78

R/W (V)

[`Sen]

is set to

[`mA]

[uolt[.

[Sc;hi]

[Sc.hi]

Process Scale High

Set the high scale for process inputs.

0.00 to 20.00 mA: if

[`Sen]

is set to

[`mA]

(0000 to 20000)

0.00 to 10.00V: if

[`Sen]

set to

[uoLt]

(0000 to 10000)

20.00 mA

5.00V

*75, 76

R/W (mA)

*79, 80

R/W (V)

[`Sen]

is set to

[`mA]

[uolt]

[rg;Lo]

[rg.Lo]

Units Scale Low

Set the low range for process input units.

-1999 to 9999

(-1999000 to 9999000)

(Set precision with

[P;dEC]

Process Decimal Places.)

-1999

*81, 82

R/W

[`Sen]

is set to

[`mA]

[uolt]

[rg;hi]

[rg.hi]

Units Scale High

Set the high range for process input units.

-1999 to 9999

(-1999000 to 9999000)

(Set precision with

[P;dEC]

Process Decimal Places.)

9999

*83, 84

R/W

[`Sen]

is set to

[`mA]

[uolt]

[SP;Lo]

[SP.Lo]

Set Point Low Limit

Set the low range for the set point.

Min. operating range (of

sensor) to

[SP;Hi]

-0.100: if

{`sen}

is set to

{``tc}

-328 to

[SP;hi]

-0.100: if

{`sen] is set to {`rtd}

-1999 to

[SP;hi]

-0.001: if

{``sen}

is set to

[`MA]

[uolt]

(Set precision with

[P;dEC]

Process Decimal Places.)

Min. operat-

ing range (J

type):

{``tc}

-328:

{`rtd}

-999:

[`MA]

and

[uolt].

*240, 241

R/W (ther-

mocouple)

*244, 245

R/W (RTD)

*248, 249

R/W (mA or

Always active.

[sP;hi]

[SP.hi]

Set Point High Limit

Set the high range for the set point.

[rg;Lo]

to max. operating

range (of sensor): if

{`sen}

is set to

{``tc}

[SP;Lo]

+0.100 to 1472: if

{`sen}

is set to

{`rtd}

[SP;Lo]

+0.001 to 9999: if

{`sen}

is set to

[`MA]

[uolt]

(Set precision with

[P;dEC]

Process Decimal Places)

Max. operat-

ing range (J

type):

{``tc}

1472:

{`rtd]

999:

[`MA]

and

[uolt]

*242, 243

R/W (ther-

mocouple)

*246, 247

R/W (RTD)

*250, 251

R/W (mA or

Always active.

[Ftr;E]

[Ftr.E]

Input Filter

Select filtering action.

[`OFF]

no filtering (0)

[DiSP]

filter only the dis-

play value (1)

[Cont]

filter the

control input values (2)

[both]

(3) filter the display

and control input values

[`OFF] (0)

89 R/W

Always active.

[FLtr]

Filter Value

Set the input filter value.

0.0 to 60.0 seconds

(0000 to 60000)

0.0

*87, 88

R/W

[Ftr;E] is not set to

[`OFF]

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 71 72

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