12
SIGMATEK FDD Step By Step Guide Size 5 to 9
The drive must be connected to the system ground of the AC supply. The ground wiring must
conform to local regulations and codes of practice.
Table 6-2 Protective ground cable ratings
Control connections
The control terminals are configured by default for the arrangement shown below:
Figure 6-5 FDD3 control terminal connections
* 250 Vac maximum (UL class1)
** FDD3 uses ‘Safe Torque Off’ so terminal 11 is unassigned on the FDD3. When using a FDD3 refer to the 'Safe
Torque Off' wiring instructions above.
After completing step 6 re-fit the terminal cover (refer to step 5).
Electrochemical corrosion of grounding terminals
Ensure that grounding terminals are protected against corrosion i.e. as could be caused
by condensation.
The ground loop impedance must conform to the requirements of local safety regulations.
The drive must be grounded by a connection capable of carrying the prospective fault
current until the protective device (fuse, etc.) disconnects the AC supply.
The ground connections must be inspected and tested at appropriate intervals.
Input phase conductor size
Minimum ground conductor size
≤
10 mm²
Either 10 mm² or two conductors of the same cross-sectional area as the
input phase conductor
> 10 mm² and
≤
16 mm²
The same cross-sectional area as the input phase conductor
> 16 mm² and
≤
35 mm²
16 mm²
> 35 mm4²
Half of the cross-sectional area of the input phase conductor
WARNING
WARNING
9
10
11
12
13
14
41
42
1
2
7
4
5
31
32
35
36
24 V user
Zero frequency
Drive enable
**
Run forward
Run reverse
Analog input 1/
Analog input 2 select
10 kΩ
10 kΩ
Frequency
reference 1
Frequency
reference 2
Frequency output
Digital I/O
24 V user
Digital I/O1
Digital Input 2
Digital input 3
Digital input 4
Digital input 5
Analog I/O
0V
Analog input 1
10 V user
Analog input 2
Analog output 1
Drive ok
Relay 1
Safe Torque
Off
STO1
0V
STO1
0V
STO2
STO2
**
FDD3 only
Содержание FDD 3054.00270
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