Yokogawa EJX115A - Manual (Page 69)

<4. Diagnostics>
4-22
IM 01C25T01-06EN
Amplifier
Temperature
Capsule
Temperature
Amp temp
Snsr temp
Flg Temp Coef
Flg temp
Execution HTM
CT+(CT-AT) x Cf
Calculation of
Flg temp
Snsr temp
Flg temp
Diag Error
Display on LCD
Response Code
(Device Status)
Status group 9
Contact Output
(Digital Output)
4-20mA DC
(Analog Output)
Amp temp
Sensor signals Sensor Process Value
calculation
Alarm Masking
Result of HTM detection
HTM alarm
Result of HTM detection
DO Config
HTM alarm
HTM alarm Diag Output
Option
F0412.ai
Figure 4.9 Functional Block Diagram of Heat Trace Monitoring (HTM)
4.2.3.2 Out of Temperature Measurement
Range
When the flange temperature is out of
measurement range, the alarm or alert is
generated. For the detail of alarm and alert setting,
refer to subsection 4.2.2.5.
The measurement range is set to
Flg Temp Hi
Alert Val and Flg Temp Lo Alert Val, which values
can be specified within -50 to 130 deg C.
Flgtemp Flg temp
F0413.ai
Time Time
An alarm is generated.
An alarm is generated.
Flg Temp Hi Alert
Flg Temp Lo Alert