20
E LEC TRON I C COM PAC T STA RTE R
| M A N UA L
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3.2
Reversing starters
All listed products can be used as reverse starters. Versions with HFxx-ROLE-24VDC in the type description can also be used
for emergency switching off functions. Please see the table below.
Order code
Type
Direct on-line
starter
Reversing
starter
Electronic
overload
protection
Emergency
switching off
1SAT115000R1011
HF0.6-ROL-24VDC
X
X
X
-
1SAT116000R1011
HF0.6-ROLE-24VDC
X
X
X
X
1SAT125000R1011
HF2.4-ROL-24VDC
X
X
X
-
1SAT126000R1011
HF2.4-ROLE-24VDC
X
X
X
X
1SAT144000R1011
HF9-R-24VDC
X
X
-
-
1SAT145000R1011
HF9-ROL-24VDC
X
X
X
-
1SAT146000R1011
HF9-ROLE-24VDC
X
X
X
X
For switching non-inductive loads up to 9 A it is recommended to use the HF9-R. This range offers no overload protection
and no monitoring functionality as needed for motors.
Reversing starters can reverse motors up to 3kW / 400V AC with a frequency up to 2 Hz.
Thresholds:
• Threshold level 'high' is 19.2 V…30 V
• Threshold level 'low' is -3 V…9.6 V
The control input voltage, applied in terminal ‘L’, must be:
• > 19.2 V to switch the motor on in reverse running (left rotation)
• < 9.6 V to switch the motor off
The control input voltage, applied in terminal ‘R’, must be:
• > 19.2 V to switch the motor on in forward running (right rotation)
• …be < 9.6 V to switch the motor off
If a signal is present at the same time on “R” and “L” there is no specified direction of rotation. The HF-Starter will recognize
one of the signals as first signal and start to rotate in the respective direction. The second signal will be locked. While the
motor is running, applying signals in the second terminal has no effect.
Automatic restart
For applications in explosion-protection areas, automatic restart is not permitted!
Reversing starters restart automatically in two cases:
Automatic reset: If the 'Automatic RESET' mode is used, the load is switched on again after the cooling time
of 20 min. has elapsed – if a control signal is still present.
Interlocking: one of two control input signals (e.g. left rotation) is still applied when the other one (e.g. right rotation) comes
below the threshold 'low'. The motor is switched off but takes a restart after a short break (time < 1 sec.) (in this case in left
rotation).