Fuji Electric PXR3 - 6 Functions; ON;OFF Control

– 19 –
6 Functions
• t ON/OFF control mode,output signal is as shown below.
Set parameter "P" = 0 for selecting the ON/OFF control mode.
Set the hysteresis to avoid chattering.
(Default setting: HYS = 1)
• Parameter setting and operation example
Example 1 : Reverse operation
Parameter
P
P-n1
HYS
Relationship of
PV and SV
PV > SV
PV < SV
Output
OFF
ON
Setting value
0.0
0 (or 1)
Any value
PV
when PV increases
PV
when PV decreases
HYS
SV
PV
when PV increases
PV
when PV decreases
HYS
SV
ON
ON
ON
ON
Relationship of
PV and SV
PV > SV
PV < SV
Output
ON
OFF
Example 2 : Direct operation
Parameter
P
P-n1
HYS
Setting value
0.0
2 (or 3)
Any value
6-1 ON/OFF control