ABB PS D175 300 Series, Installation And Maintenance Instruction

Page: 24 / 34

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