Hysteresis, Restore automatic mode, Hysteresis 138 – Watlow Series D8 User Manual
Page 156: Restore automatic mode 138

Chapter 6: Menu and Parameter Reference
Series D8 User’s Guide
138
Watlow Anafaze
Doc. 0600-3120-2000
Hysteresis
Specify how much the process variable must deviate from set
point before the output can switch between on and off (for on/
off control) or switch between heating and cooling (for heat/
cool control).
Values:
See Table 6.12 for values and decimal placement.
For communications the value is always 0 to 5000, see
Table 6.12 for implied decimal location.
Default:
DeviceNet Object:
Control (66 hex)
Table 6.12
Values for the Control Hysteresis
and Deviation Alarm Parameters
Restore Automatic Mode
Choose a digital input. If the input is connected to controller
common, the loop returns to automatic control mode after a
failed sensor is repaired (if it was in automatic mode when the
sensor failure occurred).
Values:
enabled by D/I1 to enabled by D/I8 (1 to 8) or dis-
abled
(0). Values in parentheses are for communications.
Default:
disabled (0)
DeviceNet Object:
Control (66 hex)
Input Type
Display Format
Values
Default
Thermocouple
n/a
0 to 500
5
RTD
n/a
0 to 500.0
5.0
Process
-999 to 3000
0 to 500
5
-9999 to 30000
0 to 5000
50
-999.9 to 3000.0
0.0 to 500.0
5.0
-99.99 to 300.00
0.00 to 50.00
0.50
-9.999 to 30.000
0.000 to 5.000
0.050
-0.9999 to 3.0000
0.0000 to 0.5000
0.0050
l01 Hysteresis r
b 5 ˚C
l01 RestoreAutor
bdisabled