User guide

3. OPERATION
IM 01C50T01-01E
3-9
3.4.4 PV Range
The range for PV corresponding to the 4 to 20mA
output signal is set at the factory before shipment.
Following are the procedures to change the range.
Example: To change the range from “0 to 100 °C” to
“50 to 200 °C”.
(1) Changing the range with Keypad
– LRV, URV –
YTA :
Hot key
1. Range values
2. Chng Wrt Protect
HELP SAVE ESC ENTER
1
YTA :
Range values
1 PV LRV 0.00 degC
2 PV URV 100.00 degC
3 PV Unit degC
4 PV LSL -200.00 degC
5 PV USL 850.00 degC
HELP DEL ESC ENTER
2
YTA :
LRV
0.0 degC
50.0
HELP DEL ESC ENTER
3
YTA :
Range values
1 PV LRV 50.00 degC
2 PV URV 100.00 degC
3 PV Unit degC
4 PV LSL -200.00 degC
5 PV USL 850.00 degC
HELP SEND ESC ENTER
4
YTA :
URV
100.00 degC
200
HELP DEL ESC ENTER
5
YTA :
Range values
1 PV LRV 50.00 degC
2 PV URV 200.00 degC
3 PV Unit degC
4 PV LSL -200.00 degC
5 PV USL 850.00 degC
HELP SEND
6
SEND
Press Hot key and call up “Range
values”.
Select the “1. PV LRV” to set the
Lower Range Value.
Setting limit dependig on the
selected sensor type is shown as
“4. PV LSL.” And “5. PV USL”.
Enter “50”, and press ENTER[F4].
To set the Upper Range Value,
select the “2 PV URV”.
Setting limit is shown as “4 PV
LSL” and “5 PV USL”.
Press SEND[F2] to send the new
range value to the transmitter.
Confirm that disappears.
Enter “200” , and press ENTER[F4].
NOTE
It is possible to set LRV>URV. This setting
reverses the 4 to 20 mA output signal.
Setting Conditions: LSL <= LRV <= USL
LSL <= URV <= USL
|URV – LRV| >= Recom
mended Min. span