Installation Manual

Connection
Chapter 5
54
1SFC132003M0201
5:2.2.9 Analog output
If the analog output is used, the cables shall be connected to
terminals 23 and 24, see Figure 30.
See Chapter 7 “Settings and configuration” for programming.
The PTC input uses the same terminals as the Analog output
and only one of these functions can be used at any given time.
5:2.3 Emergency closing of contactor
(PSTB370...1050 only)
If the softstarter for some reason malfunctions (shorted or
non conducting thyristors, burnt PCB etc) it is possible to
close the integrated by-pass contactor and start the motor
using some other starting equipment. Manual closing of the
contactor is done using terminals 30 to 33.
Figure 32 shows how terminals 30 to 33 are connected
during normal operation. If there is a need for an emergency
closing of the contactor, the two bridges between 30, 31 and
32, 33 should be removed and an external power source
should be connected between terminals 31 and 32. See
Figure 33. This will cause the by-pass contactor to close and
it will be possible to start the motor using some other starting
equipment, connected on the line side of the softstarter.
Figure 31: Tightening torques and cable dimensions (1 mm=0.0394 in)
LIS
TED
7F39
IND
. C
ON
T
. EQ
.
1SFA 894 007 R1002
IEC 947-4-2
Ie: 37-72A
Us: 100-250V
AC/DC
UL 508
Uc: 100-250V
AC/DC
FLA: 37-68A
Ma
de
in S
w
eden
Ue: 220-230 380-400 500 V
72: AC-53a: 8-1.6: 80-6
In line 18,5 37
45 kW
Ue 208 220-240 44
0-480
V
In line 20 20
50 Hp
CAUTION
Fuse 250A TYPO
WE
R ZILO
X
Max sh
ort circuit current 65kA at 480V
Wire 1-8 Al C
u 75C
only
, 35lb-in
Overload C
apacity 1
15% of C
ontinuous
Key-Pad
FELDBUSS
1SFC132065F0001
Analogue Output/
PTC
23 24
Figure 30: Analog output connection
M3

1. . . . . . . . . . . . . . . . . . . . . . . . 20
0,5 Nm - 4,3 lb.in
3,5x0,6
0,14 ... 2,5 mm
AWG 12 ... 22
0,14 ... 2,5 mm
2
2
1SFC132053F0001