LS Industrial Systems LGRF-H, Руководство пользователя

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“LS Ubiquitous RF-ID System”
[Fig. 3.3.3.2] Multi Drop connection between Reader and Reader
When connecting PLC and LGRF-H Reader by Multi Drop method, LGRF-H Reader shall
set 16 station no. from 0~F to each Reader by using the rotary switch located in the side.
The communication cable for PLC and the Reader of first station no. shall be connected by
Cross connection method and the communication between other Readers shall be done by
Direct connection method.
[Table 3.3.3.1] Multi Drop terminal connection between LGRF-H Readers
Port
PLC ( C-NET ) / PC
LGRF-H
(Station no.: 00)
LGRF-H
(Station no.: 01)
1 RX + ( RDA ) TX + TX +
2 RX - ( RDB ) TX - TX -
3
TX + ( SDA ) RX + RX +
4
TX - ( SDB ) RX - RX -
* For H/W setting of RS 232/422 communication, please refer to Appendix A.
(Note. Pay attention to station no. setting of Reader. The wrong setting of station no. of Reader may cause
poor communication.)
LGRF-H
Station no. : 00(Slave)
LGRF-H
Station no. : 01(Slave)