Commander SE Advanced User Guide
159
Issue Number: 4
12 Applications
External Menu parameters can only be accessed via the Universal Keypad, SE Soft or high speed comms options
cards.
12.1 Connecting digital inputs in parallel
Make the following connections when the digital inputs of a number of Commander SE drives are to be controlled from the
same source:
•
Connect the relevant digital input (e.g. terminal 10) on all the drives in parallel.
•
Use an ex24V supply, or use the +24V output supply on terminal 7. When using terminal 7 for more than three
drives, connect in parallel terminal 7 from a number of drives. Make each connection through a 300mA diode. For each
additional three drives, connect another terminal 7 through a diode.
•
Ensure that the controlling signal produces definite logic states; a logic state must not be assumed by leaving an input
disconnected (e.g. use achange-over relay, not a single contact).
Provided these conditions are met, any number of drives can be controlled in parallel using positive or negative logic.
Figure 12-1 Example parallel signal connections using the 24V supply of the drive
Figure 12-2 Example parallel signal connections using an external 24V supply
NOTE
Drive 1
7
10
1
+24V output
Run forward
0V common
Drive 2
7
10
1
+24V output
Run forward
0V common
Drive 4
7
10
1
+24V output
Run forward
0V common
Drive 3
7
10
1
+24V output
Run forward
0V common
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Страница 142: ...142 Commander SE Advanced User Guide Issue Number 4 Figure 6 9 Input line reactor 4400 0241 All dimensions in mm...
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