Yokogawa Standalone MW100 - Manual (Page 29)

1-15
IM MW100-01E
Explanation of Functions
1
2
3
4
5
App
Index
MATH
Differential computation between channels and linear scaling are possible. Linear scaling
converts the measured values for a specific purpose (scaled values) using the following
equation.
Scale value =
(X – SP
min
) × (SC
max
– SC
min
)
SP
max
– SP
min
+ SC
min
X: Measured value
SP
max
: Specified span maximum
SP
min
: Specified span minimum
SC
max
: Specified scale maximum
SC
min
: Specified scale minimum
MATH Types Notation
Differential computation between channels Delta
Linear scaling Scale
Note that the channels included on the 10-CH Pulse Input Module are only available for
integration (TLOG.PSUM).
MATH (/M1 Option)
Expressions using measured and computed data as variables can be entered and
executed on channels dedicated for computation, and the results can be displayed and
saved. Computations are executed every measurement interval (shortest interval is 100
ms).
For details, see section 1.15, “MATH Functions (/M1 Option).”
Report Function (/M3 Option)
You can perform statistical computations on measurement or MATH channel data
and display and save the results. The types of reports are hourly, daily, weekly, or
monthly. Reports can be created using the maximum, minimum, average, integral, and
instantaneous values from up to 60 channels.
For details on the report function, see section 1.16, “Report Function (/M3 Option).”
Remote RJC (RRJC)
When the item to be measured is located at a great distance, you can set up relay
terminals near the item, measure the temperature difference between the relay terminal
and the input terminal of the input module (reference channel) using thermocouples,
and use the resultant electromotive force as the reference junction compensation of
the temperature measurement. By connecting a copper wire between the relay terminal
and input terminal of the input module, and a thermocouple between the DUT and relay
terminal, you can measure the temperature of the DUT without the need for a large
amount of expensive thermocouples.
MW100
Thermocouple*
Copper wire
Copper wire
Thermocouple*
Thermocouple*
Relay terminal (to be furnished by the user)
Reference channel
Input terminal
* Use the same type of thermocouples.
Burnout
When the input mode is set to thermocouple (TC), you can set the burnout detection
behavior. Measured values become “range over” during detection.
Detection Behavior Notation
No detection Off
Measured values fixed at +range over Up
Measured values fixed at –range over Down
1.3 Functions of the Main Module