14-10
IM DR231-01E
Save interval of measured/computed values
Measurement interval of the recorder, or select from 1 min/2 min/5 min/10 min (By combining
with the event/action function, it can also sample 1 data at a time e.g. at each M.FUNC key or
remote control signal input.)
Selection of the saving method of measured/computed values (WRITE MODE)
Direct: Start saving the data when key operation occurs. After saving specified length of data,
stop the saving process.
Trigger single: Start saving the data when the trigger condition is met.
After saving a specified length of data, stop the saving process.
Trigger repeat: Start saving the data when the trigger condition is met. Repeat the process of
saving a specified length of data to 1 file, until there is no more area in the memory.
Trigger condition
All Trigger conditions are configured with the event/action function.
Trigger condition when saving the measured/computed values: Event/action function (such as key
operation, remote control signal, alarm status, and chartend)
Trigger condition when loading the measured/computed values (from buffe memory): Event/
action function (such as key operation, remote control signal, and alarm status)
Pretrigger: 0 to 100% (can be specified in 10% intervals)
Filename when saving data
8 ASCII characters input. However, when saving the measured/computed values using trigger
repeat, 5 ASCII characters input (last 3 letters are set automatically from 001 to 208.)
Optional Math Function
Computation types
Types: Four arithmetical operations, SQR(square root), ABS(absolute value), LOG(common
logarithm), LN(natural logarithm), EXP(exponent), statistical computation*, logical computation
(AND, OR, NOT, and XOR), relational computation, exponentiation, previously-measured value
reference, hold**, and reset
* Statistical computation
CLOG: Computation process of simultaneously measured values within a group (total,
maximum, minimum, average, and maximum - minimum)
TLOG: Computation process of a specific channel over time axis (total, maximum, minimum,
average, and maximum - minimum)
Statistical computation interval: Set by the event/action function
**Hold
Temporary suspending of computation and temporary hold of the computed result
During statistical computation, resume the computation from the hold point after the hold is
released.
Number of channels for computing (Number of channels that can be allocated for
computational purposes.)
: 30ch maximum
Computation interval
Every measurement interval (except when the computation becomes too difficult to be processed
every measured interval, in which case an alarm is generated)
Significant digits during computation
±
10
308
Significant digits of the computed result
-9,999,999 to +99,999,999 (Decimal point can be set to have 1 to 4 digits on the right of the
decimal point)
Input from communication interface
Digital value (ASCII numerical array) input from the communication interface can be handled as
computational data
Computation start/stop
Can be controlled by communication commands, M.FUNC key operation, and event/action
function (such as FUNC key operation, remote control signal, timespecified, and alarm status)
Other functions included in the math function: Remote RJC
Input type: Thermocouple (TC)
Accuracy: (Twice the measurement accuracy of the standard thermocouple input) + (temperature
difference between the terminal of the remote terminal section and thermocouple section for
measuring the remote terminal temperature)
Thermocouple burnout: not selectable
14.1 Specifications of DR130/DR231/DR241 (Style S3)
Summary of Contents for DR231
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