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RS485 (DSI) Protocol

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1-18 Installation/Wiring<br />

Typical Multiple Drive Connection Examples<br />

Input Connection Example<br />

Multiple Digital<br />

Input Connections<br />

Customer Inputs can<br />

be wired per<br />

External Supply<br />

(SRC) or Internal<br />

02 04<br />

02 04<br />

02 04<br />

02 04<br />

Supply (SNK)<br />

examples on<br />

Customer Inputs Optional Ground Connection<br />

page 1-16. When connecting a single input such as Run, Stop, Reverse or Preset Speeds<br />

to multiple drives, it is important to connect I/O Terminal 04 common together<br />

for all drives. If they are to be tied into another common (such as earth ground<br />

or separate apparatus ground) only one point of the daisy chain of I/O Terminal<br />

04 should be connected.<br />

Multiple Analog<br />

Connections<br />

!<br />

ATTENTION: I/O Common terminals should not be tied<br />

together when using SNK (Internal Supply) mode. In SNK mode,<br />

if power is removed from one drive, inadvertent operation of<br />

other drives that share the same I/O Common connection may<br />

occur.<br />

12 13 14 13 14 13 14 13 14<br />

Remote Potentiometer Optional Ground Connection<br />

When connecting a single potentiometer to multiple drives it is important to<br />

connect I/O Terminal 14 common together for all drives. I/O Terminal 14<br />

common and I/O Terminal 13 (potentiometer wiper) should be daisy-chained to<br />

each drive. All drives must be powered up for the analog signal to be read<br />

correctly.

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