Ambient sensor reading, Ambient sensor reading 155, Table 6.18—system status bits 155 – Watlow Series D8 User Manual
Page 173

Series D8 User’s Guide
Chapter 6: Menu and Parameter Reference
Doc. 0600-3120-2000
Watlow Anafaze
155
Table 6.17
Bit Positions for Alarm Status and
Alarm Acknowledge
Ambient Sensor Reading
This read-only parameter indicates the temperature measured
by the cold-junction compensation sensor located near the an-
alog input terminal block.
This parameter is available only for communications pro-
grams.
Values:
Temperature in tenths of a degree Fahrenheit. To
convert to Celsius, use the formula °C = 5/9 (°F - 32).
DeviceNet Object:
Global (6 hex)
Table 6.18
System Status Bits
Alarm
Bit
Low Deviation Alarm
Third
High Deviation Alarm
Fourth
Alarm Low
Fifth
Alarm High
Sixth
Thermocouple Reversed
Seventh
Thermocouple Shorted
Eighth
Thermocouple Open
Ninth
RTD Open
Tenth
RTD Fail
Eleventh
Parameter
Description
Values
DeviceNet
Object
Battery Status
Indicates whether the values in RAM have
been corrupted while the power has been
off.
0: No corruption
detected
1: Data corrupted
Global (6)
Hardware
Ambient Status
Indicates whether the ambient temperature
is within the controller’s operating range. If
the ambient is out of range, the controller
sets all loops to manual mode at 0 percent
power.
0: Within range
1: Outside of range
Global (6)
Hardware Offset
Status
Indicates whether the zero self-calibration
measurement falls within acceptable limits.
0: In calibration
1: Out of calibration
Global (6)
Hardware Gain
Status
Indicates whether the full scale self-calibra-
tion measurement falls within acceptable
limits.
0: In calibration
1: Out of calibration
Global (6)