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Powerdrive F300 User Guide 101
Issue Number: 2
Refer to section 4.13 Safe Torque Off (STO) on page 102 for further
information.
*See Figure 4-17 to Figure 4-19 on page 81 for location.
28 0V common
Function
Common connection for all external
devices
29 Safe Torque Off function (drive enable)
Type Positive logic only digital input
Voltage range 0 V to +24 V
Absolute maximum applied voltage 30 V
Logic Threshold 10 V ± 5 V
Low state maximum voltage for
disable to SIL3 and PL e
5 V
Impedance
>4 mA @15 V from IEC 61131-2, type 1,
3.3
k Ω
Low state maximum current for
disable to SIL3 and PL e
0.5 mA
Response time
Nominal: 8 ms
Maximum: 20 ms
The Safe Torque Off function may be used in a safety-related application in
preventing the drive from generating torque in the motor to a high level of
integrity. The system designer is responsible for ensuring that the complete
system is safe and designed correctly according to the relevant safety standards.
If the Safe Torque Off function is not required, this terminal is used for enabling
the drive.
41
Relay 1
42
44
Default function Drive OK indicator
Contact voltage rating
240 Vac, Installation over-voltage
category II
Contact maximum current rating
2 A AC 240 V
4 A DC 30 V resistive load
0.5 A DC 30 V inductive load (L/R = 40 ms)
Contact minimum recommended
rating
12 V 100 mA
Contact type
Common - 41
Normally closed - 42
Normally open - 44
Default contact condition Closed when power applied and drive OK
Update period 4 ms
51 0 V*
52 +24 Vdc*
Size 6
Nominal operating voltage 24.0 Vdc
Minimum continuous operating voltage 18.6 Vdc
Maximum continuous operating voltage 28.0 Vdc
Minimum startup voltage 18.4 Vdc
Maximum power supply requirement 40 W
Recommended fuse 4 A @ 50 Vdc
Size 7 to 11
Nominal operating voltage 24.0 Vdc
Minimum continuous operating voltage 19.2 Vdc
Maximum continuous operating voltage
30 Vdc (IEC),
26 Vdc (UL)
Minimum startup voltage 21.6 Vdc
Maximum power supply requirement 60 W
Recommended fuse 4 A @ 50 Vdc
71
Relay 2
72
74
Default function UNASSIGNED
Contact voltage rating
240 Vac, Installation over-voltage
category II
Contact maximum current rating
2 A AC 240 V
4 A DC 30 V resistive load
0.5 A DC 30 V inductive load (L/R = 40 ms)
Contact minimum recommended
rating
12 V 100 mA
Contact type
Common - 71
Normally closed - 72
Normally open - 74
Default contact condition Closed when power applied and drive OK
Update period 4 ms
To prevent the risk of a fire hazard in the event of a fault, a
fuse or other over-current protection must be installed in the
relay circuit.
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