Watlow Series SD31 PID with Optional Countdown Timer Instrukcja Użytkownika Pobierz pdf (Strona 30)

Watlow Series SD31 ■ 28 ■ 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.

[``rP]

[ rP]

Ramping Mode

Select when the control set point ramps to

the defined end set point.

[`OFF]

off (0)

[`Str]

ramps on start-up

only (1)

[``On]

ramps at start-up or

any set point change (2)

[`OFF]

(0)

266 R/W

Always active.

[rP;Sc]

[rP.Sc]

Ramp Scale

Select the scale of the ramp rate.

[hour]

degrees/hour (0)

[Min]

degrees/minute (1)

[hour]

(0)

267 R/W

[``rP]

is set to

[`Str]

[``On]

[rP;rt]

[rP.rt]

Ramp Rate

Set the rate for the set point ramp.

0 to 9999

(0000 to 9999000)

100

*268, 269

R/W

[``rP]

is set to

[`Str]

[``On]

Does not appear if

[``rP]

is set to

[`OFF]

[Addr]

Modbus Device Address

Set the device address for communica-

tions. Every controller on a network must

have a unique address.

1 to 247 1

This can

only be set

from the

controller

front panel.

Output 2 is a communi-

cations output.

(SD_ _ - _ _ U _ - _ _ _ _ )

[bAud]

Baud Rate

Set the baud rate at which the communi-

cations occurs.

[9600]

9600 baud

[`19;2]

19,200 baud

[`38;4]

38,400 baud

[9600]

This can

only be set

from the

controller

front panel.

Output 2 is a communi-

cations output.

(SD_ _ - _ _ U _ - _ _ _ _ )

[`LOC]

[ LOC]

Lockout

Set the security level for the user inter-

face.

[```0]

(0) No lockout

[```1]

(1) Set Point,

Auto/Manual, alarms only

[```2]

(2) Set Point,

Auto/Manual, only

[```3]

(3) Set Point only

[```4]

(4) Full lockout

See the Features Chapter

for details.

[```0]

(0)

43 R/W

Always active.

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 71 72

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