Watlow Series SD31 PID with Optional Countdown Timer - Manual (Page 22)

Wa t l o w S e r i e s S D 3 1
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20
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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.
* Low numbers contain the two lower bytes; high numbers contain the two higher bytes of the four-byte integer.
Decimal precision is set in another parameter.
Caution: Writing to registers continuously, such as ramping set points via comms, will damage the SD31 EEPROM memory. See page 59.
[rP;tg] Ramp Target Set Point
The target set point for the ramp that is
in process appears in the display after
this prompt appears.
Set Point Low Limit
[SP;Lo] to Set Point High
Limit
[SP;hi]
NA Same as
Closed
Loop Set
Point Controller is ramping.
[Er;In] Input Error
Indicate an input error state.
None (0)
[----] Error (1) NA 24 R There is an analog in-
put error.
[A1;Lo] Alarm Low 1 Status
Indicate a low alarm at output 1.
None (0)
Alarm (1) NA 29 R There is an Alarm 1
low side alarm.
[A1;hi] Alarm High 1 Status
Indicate a high alarm at output 1.
None (0)
Alarm (1) NA 30 R There is an Alarm 1
high side alarm.
[A2;Lo] Alarm Low 2 Status
Indicate a low alarm at output 2.
None (0)
Alarm (1) NA 31 R There is an Alarm 2
low side alarm.
[A2;hi] Alarm High 2 Status
Indicate a high alarm at output 2.
None (0)
Alarm (1) NA 32 R There is an Alarm 2
high side alarm.
Display Parameter Name
Description
Settings Range
(Integer values for Modbus
in parenthesis.)
Default Modbus*
(less 40,001
offset)
Read/Write
Appears if: