LSIS XDL-L7SA002X

6. Communication Protocol
6-2
6.1.2 Communication Specifications and Cable
Access Rate
(1) Communication Specifications
Item Specifications
Communication standard ANSI/TIA/EIA-422 standard
Communication protocol MODBUS-RTU
Data
Type
Data bit 8 bit
Stop bit 1 bit
Parity None
Synchronous method Asynchronous
Transmission speed
9600 /19200/38400/57600 [bps]
[P0-04] can be selected.
Transmission distance Up to 200 [m]
Current consumption
100 [㎃] or below
(2) Connection of CN3 and CN4 Connector Pins
Pin Number Pin Function
1 Not for use.
2 Terminating resistance connection note 1)
3 RXD+
4 TXD-
5 TXD+
6 RXD-
7 Not for use.
8 GND
NOTE 1) In case of multi access connection, apply terminating resistance by connecting Pin 2 of the last
drive to Pin 6 (RXD-). Use 120Ω for terminal resistor
NOTE 2) Connect TXD+ and TXD-, and RXD+ and RXD- in twisted pairs.
NOTE 3) The TXD and RXD in the above table are based on the servo drive.