Ps D(H) With Electronic Overload Protection; Different Status On Led's And Signal Relays - ABB PS D75 840 Series Installation And Maintenance Instruction

6.2

PS D(H) with electronic overload protection

6.2.1

Different status on LED's and signal relays

LED on
LED off
See LED's
next
page
I OVL
F1
On
T
II OVL
F1
On
T
III OVL
F1
On
T
IV OVL
F1
On
T
OVL
V
F1
On
T
OVL
VI
F1
On
T
VII OVL
F1
On
T
OVL
VIII
F1
On
T
OVL
IX
F1
On
T
OVL
X
F1
On
T
Signal relay energised
Signal relay not activated
Signal relays
Run TOR Fault Over
F2
R
P
F2
R
P
F2
R
P
F2
R
P
F2
R
P
F2
R
P
F2
R
P
F2
R
P
F2
R
P
load
No control voltage on terminal 1 and 2
Control voltage supplied
Ready for start
a) Control voltage supplied and start signal is given.
b) Control voltage supplied and making ramp down
during stop
Normal continuous run.
100% voltage to the motor
By-pass signal relay energised
Normal continuous run.
100% voltage to the motor
By-pass signal relay energised
Power factor optimising (energy saving) activated
(Switch PF in Y, On-position)
Control voltage supplied and start signal is given.
Fault F1 See fault codes and flow chart
Phase loss
Reset Via stop signal
Control voltage supplied.
Fault F2 See fault codes and flow chart
a) Over temperature on heat sink
b) High current switch off
With the switch in position Y (On)
c) Internal fault P.C.B
Reset Via stop signal
Control voltage supplied.
Fault F1+F2 See fault codes and flow chart
a) Shorted thyristor
b) Semiconductor not conducting
Continuous run with shorted thyristor
(Switch PF must be in N-position, Off)
Tripped electronic over load
Reset: With the reset button or by closing between
terminals X2: 24...25
The start signal has to be removed and the LED
OVL has to flash.
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