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Chapter 4, Home page – Watlow Series SD Limit User Manual

Page 25

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Wa t l o w S e r i e s S D L i m i t

23

C h a p t e r 4 H o m e

Note: Some values will be rounded off to fit in the four-character display. Full values can be read with Modbus. All temperature parame-
ters are in °F through 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.

Display

Parameter Name

Description

Settings

Range

(Integer values for Modbus

in parenthesis.)

Default Modbus*

(less 40,001

offset)

Read/Write

Appears if:

4

Home Page

Press the RESET Key at any time to go to the Home Page.

Depending upon the controller’s status, you will see some combination of the parameters listed below. Normally,
you will see the Process Value in the upper display and the Limit 1 High Set Point in the lower display. You cannot
adjust Home Page parameters from the front panel keys. See Home Page Overview in Chapter Three.

After 60 seconds with no key presses, the controller reverts to the Home Page.

Measured
Value

Process Value

Displays the current process value in the
upper (left in 1/32 DIN) display.

-1999 to 9999
degrees °F or units
(-1999000 to 9999000)

NA

*20, 21 R

There is no input error
and

[Ftr;E] is set to

[`Off] or [Cont].

Measured
Value

Filtered Process Value

Displays the current filtered process val-
ue in the upper (left in 1/32 DIN) display.

-1999 to 9999
degrees °F or units
(-1999000 to 9999000)

NA

*22, 23 R

There is no input error
and

[Ftr;E] is set to

[Disp] or [both].

Set Value

Limit 1 High Set Point

Displays the high limit set point value
for Output 1 in the lower (right in the
1/32 DIN) display.

[SP;Lo] to [SP;hi]

75

*104, 105
R/W

[LSd1] is set to [both]
or

[high].

[Er;In]

Input Error

Indicate an input error state.

None (0)
[----] Error (1)

NA

24 R

There is an analog in-
put error.

[L1;Lo]

Limit Low 1 Status

Indicate a low limit at output 1.

None (0)
Limit (1)

NA

29 R

Output 1 is in the low
limit condition.

[L1;hi]

Limit High 1 Status

Indicate a high limit at output 1.

None (0)
Limit (1)

NA

30 R

Output 1 is in the high
limit condition.

[L2;Lo]

Limit Low 2 Status

Indicate a low limit at output 2.

None (0)
Limit (1)

NA

31 R

Output 2 is in the low
limit condition.

[L2;hi]

Limit High 2 Status

Indicate a high limit at output 2.

None (0)
Limit (1)

NA

32 R

Output 2 is in the high
limit condition.

[A2;Lo]

Alarm Low 2 Status

Indicate a low alarm at output 2.

None (0)
Alarm (1)

NA

31 R

Output 2 is in the low
alarm condition.

[A2;hi]

Alarm High 2 Status

Indicate a high alarm at output 2.

None (0)
Alarm (1)

NA

32 R

Output 2 is in the high
alarm condition.

[L3;Lo]

Limit Low 3 Status

Indicate a low limit at output 3.

None (0)
Limit (1)

NA

33 R

Output 3 is in the low
limit condition.

[L3;hi]

Limit High 3 Status

Indicate a high limit at output 3.

None (0)
Limit (1)

NA

34 R

Output 3 is in the high
limit condition.

[A3;Lo]

Alarm Low 3 Status

Indicate a low alarm at output 3.

None (0)
Alarm (1)

NA

33 R

Output 3 is in the low
alarm condition.

[A3;hi]

Alarm High 3 Status

Indicate a high alarm at output 3.

None (0)
Alarm (1)

NA

34 R

Output 3 is in the high
alarm condition.