Unidrive M / Unidrive HS Modular Installation Guide
121
Issue Number: 5
Refer to section 6.17
on page 131 for further
information.
6.15.3
Unidrive M702/HS72
control connections
Table 6-26 The control connections consist of:
Key:
30
0V common
Function
Common connection for all
external devices
31
Safe Torque Off function (drive enable)
Type
Positive logic only digital input
Voltage range
0V 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 (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 contacts
42
Default function
Drive healthy 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
Normally open
Default contact condition
Closed when power applied and drive
healthy
Update period
4 ms
51
0V common
52
+24 Vdc
Size 9 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
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.
WARNING
WARNING
Function
Q
ty
Control parameters
available
Terminal
number
Digital input
2
Destination, invert, logic
select
7, 8
Digital input / output
2
Input / output mode select,
destination / source, invert,
logic select
4, 5
Relay
1
Source, invert
41, 42
Safe Torque Off (drive
enable)
2
11, 13
+24 V User output
1
Source, invert
2
0V common
5
1, 3, 6,
10, 12
+24 V External input
1
Destination, invert
9
Destination parameter:
Indicates the parameter which is being controlled
by the terminal / function
Source parameter:
Indicates the parameter being output by the
terminal
Mode parameter:
Digital - indicates the mode of operation of the
terminal, i.e. positive / negative logic (the Drive
Enable terminal is fixed in positive logic), open
collector.
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