Control Signals Between The Modules; Abbreviations Of Signal Names - ABB SPAM 150 C User Manual And Technical Description

Control signals
between the
modules
Abbreviations of
signal names
The figure below schematically illustrates how
the starting, tripping, control and blocking sig-
I ,t
Θ
6x
IL1
Θ
IL2
RESTART INH.
RESTART
IL3 INH.
SGB / 2
I>, Is
SGB / 1
STALL
I>>
BS
∆I
SGB / 3
I<
Io>
Io
SGB / 4
EXTERNAL TRIP
SGB / 5
SGB / 6
RELAY RESET
Fig. 4. Control signals between the modules of the motor protection relay SPAM 150 C.
The functions of the blocking and starting sig-
nals are selected with the switches of switchgroups
SGF, SGB and SGR. The checksums of the
switchgroups are found in the setting menu of
I , I , I Phase currents
L1 L2 L3
I Neutral current
0
BS Blocking or control Signal
SS1 Start Signal 1
SS2 Start Signal 2
SS3 Start Signal 3
TS1 Trip Signal 1
TS2 Trip Signal 2
AR1...3 Auto-Reclose start signals (not in use in SPAM 150 C)
IRF Internal Relay Fault signal
SGF Switch Group for Functions
SGB Switch Group for Blockings
SGR1...2 Switch Groups for Relay configuration
SGR2 / 2
SGR1 / 2
START
SGR2 / 4
Θ>Θ
t
SGR2 / 1
SGR1 / 1
Θ>Θ
a
Θ>Θ
i
∑ts
SGB / 7
SG4 / 3
SGR1 / 3
t>, ts
SGR2 / 5
SGR2 / 3
SGR1 / 4
t>>
SGR1 / 5
t∆
SGR2 / 6
SGR1 / 7
t<
SGR2 / 8
SGR1 / 6
to>, ko
SGR2 / 7
SGR1 / 8
INTERNAL SIGNAL DIAGRAM
nals can be programmed to obtain the required
function of the protection relay.
IRF
SG4 / 2
TS1
1
RESET+
PROGRAM
1
SS1
(AR2)
SS2
(AR3)
SS3
(AR1)
RESET+
SGB / 8
PROGRAM
1
TS2
1
TRIP
RESET
SPCJ 4D34
the measuring relay module. The functions of
the different switches are explained in the user´s
manual of the measuring module SPCJ 4D34.
IRF
F
RESTART
ENABLE
E
START /
PRIOR ALARM
D
PRIOR ALARM /
SIGNAL 2
C
SIGNAL1
B
TRIP
A
SPTU ___R2
7