ElmoMC ExtrIQ Digital Servo Drives-Solo Hornet - Manual (Page 48)

Solo Hornet Installation Guide Installation
MAN-SOLHRNIG (Ver. 1.003)
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48
4.9.2. Differential RS-232 Communication (RS-422) – J2
Note for connecting the RS-232 communication cable:
• This is Differential RS-232 Communication based on RS-422. Connect the shield to the
ground of the Controller. Usually, this connection is soldered internally inside the
connector at the PC end. You can use the drain wire to facilitate connection.
Pin (J2) Signal Function
27 Differential RS422_Tx + Differential RS-232/RS-422 Transmit +
28 Differential RS422_Tx - Differential RS-233/RS-422 Transmit -
25 Differential RS422_Rx + Differential RS-232/RS-422 Receive +
26 Differential RS422_Rx - Differential RS-232/RS-422 Receive -
24 COMRET Common Return
Figure 23: Differential RS-232 Communication