Graphic Depiction Of Relay Action Setpoint; Graphic Depiction Of Relay Action Window - PR 4131 User Manual

Graphic depiction of relay action setpoint

Relay units
100
90
80
70
60
Setpoint = 50
50
Hysteresis = 10
40
30
20 Off N.O.
On N.C.
10
0 10 20 30 40
Relay action: Increasing

Graphic depiction of relay action window

100
Relay units
90
80
70
Hysteresis = 5
60
Setpoint High = 60
50
40
Setpoint Low = 40
Hysteresis = 5
30
Off
20 1
On
10 2
0 10 20 30 40
Relay function: Window (shown for increasing signal)
Contact: Closed inside window =
Contact: Open inside window =
On N.O. Off N.O.
On N.C.
Off N.C.
50 60 70 80 90 100
Off Off
1
On On
2
50 60 70 80 90 100
1
2
4131V104-UK
Relay units
100
90
80
70
60
50
40
30
20 Off N.O.
On N.C.
10
t
0 10 20
Relay action: Decreasing
100
Relay units
90
80
70
60
50
40
30
Off
20
On
10
t
0 10 20
Relay function: Window (shown for decreasing signal)
Contact: Closed inside window =
Contact: Open inside window =
Hysteresis = 10
Setpoint = 50
On N.O.
Off N.C.
30 40 50 60 70 80
Hysteresis = 5
Setpoint High = 60
Setpoint Low = 40
Hysteresis = 5
Off
1 1
On
2 2
30 40 50 60 70 80
1
2
Off N.O.
On N.C.
t
90 100
Off
On
t
90 100
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