4. Operation Setting and Monitoring
4.2. Operation parameters setting
R200
Resistance Temperature Detector 2MLF-RD4A User's Guide
47
September 2010
Honeywell
Table 4 – Function of I/O parameters
Item
Details
I/O parameters
a) Specify the following setting items necessary for the module
operation.
−
Channel Run/Stop
−
Sensor type(Pt100/JPt100)
−
Temperature unit(
℃
/
℉
)
−
Filter constant
−
Average processing (sampling/time/frequency/movement)
−
Average value
−
Scaling data type
−
Scaling minimum value
−
Scaling maximum value
−
Process alarm H. H. Limit
−
Process alarm H. Limit
−
Process alarm L. Limit
−
Process alarm L. L. Limit
−
Process alarm HYS (hysteresis)
−
Type of rate change alarm (change value/change rate)
−
Rate change alarm higher value
−
Rate change alarm lower value
−
Rate change alarm period
b) The data specified by user through S/W package will be saved
on RTD module when I/O Parameters are downloaded. In other
words, the point of time when I/O Parameters are saved on the
module has nothing to do with PLC CPU’s status RUN or STOP.