发表于:2005/12/8 13:43:00
#0楼
GP2500s和OMRON CS系列PLC连接的问题,采用RS232电缆连接,并对GP和PLC分别进行了如下设置;
GP setup PLC setup
_________________________________|__________________________________
Boud rate 19200 | Boud rate 19200
----------------------------------------------------------|-----------------------------------------------------------
Data length 7 | Data length 7
----------------------------------------------------------|----------------------------------------------------------
Stop bit 2 | Stop bit 2
-----------------------------------------------------------|---------------------------------------------------------
Parity bit Even | Parity bit Even
-----------------------------------------------------------|---------------------------------------------------------
Data FlowControl ER |
-----------------------------------------------------------|---------------------------------------------------------
Communication Fomat RS232 |
-----------------------------------------------------------|----------------------------------------------------------
Unit NO. 0 | Station NO. 0
----------------------------------------------------------|-----------------------------------------------------------
sw1:off sw5:off
Dip Switch sw7:off sw8;off
---------------------------------------------------------------------------------------------------------------------
Mode Setup Host Link
---------------------------------------------------------------------------------------------------------------------
但是上点后GP上仍然显示;PLC没有响应,而不是显示:PLC没有连接,这是怎么一回事??请指点
GP setup PLC setup
_________________________________|__________________________________
Boud rate 19200 | Boud rate 19200
----------------------------------------------------------|-----------------------------------------------------------
Data length 7 | Data length 7
----------------------------------------------------------|----------------------------------------------------------
Stop bit 2 | Stop bit 2
-----------------------------------------------------------|---------------------------------------------------------
Parity bit Even | Parity bit Even
-----------------------------------------------------------|---------------------------------------------------------
Data FlowControl ER |
-----------------------------------------------------------|---------------------------------------------------------
Communication Fomat RS232 |
-----------------------------------------------------------|----------------------------------------------------------
Unit NO. 0 | Station NO. 0
----------------------------------------------------------|-----------------------------------------------------------
sw1:off sw5:off
Dip Switch sw7:off sw8;off
---------------------------------------------------------------------------------------------------------------------
Mode Setup Host Link
---------------------------------------------------------------------------------------------------------------------
但是上点后GP上仍然显示;PLC没有响应,而不是显示:PLC没有连接,这是怎么一回事??请指点