STAC6 Drives and Microstepping Motors:
User Manual
(Discontinued Product)
• 1.9 •
1:
H A R D W A R E
PC
A 25-pin serial port is recommended. The Jameco Electronics (800-
831-4242) Model 1117701 is a good choice. If a 9-pin serial port is on
your PC, a Jameco cable Model 31721 is also required.
Connect as follows:
adapter
drive
1
RX+
2
RX-
3
TX-
4
TX+
Set the switches for DCE and TxON,RxON. Plug in the DC power
adapter that comes with the unit.
Figure 1.3: RS - 422 Wiring
The drive can also be connected to the Host computer using only a
2-wire interface. In this case, first connect the TX+ to the RX+ and the
TX- to the RX- on the servo drives before connecting to the Host
adapter. Usually RS-485 2-wire interfaces are labeled "A" & "B".
Getting and Connecting a RS485 2-wire adapter to your PC
The RS485 2-wire adapter (Model 485-25E) from Integrity Instruments
(800-450-2001) is recommended.
adapter
drive
B
TX+/RX+
A
TX-/RX-