彎管機
2軸=送料軸+彎管(X軸)
3軸=送料軸+彎管(X軸)+彎管(Y軸)
彎管機的重點：
1.在彎管的同時，送料軸需要同時往前送。
2.如果避免在彎管時外緣破裂，內緣產生褶痕。
3.彎管的起始點跟圖面之間的關系。
2011年8月30日 星期二
2011年8月29日 星期一
PLC | RS485 can not connect how to do??
RS485 communication error, it is often not error messages,
Hard to check that part of the problem.
Here are a few to trace the order:
1 Confirm the PLC is set up correctly.
2 confirm there RS485 data sent.
3 Confirm whether to receive RS485 data sent to their ownformat (MODBUS / ASCII / RTU) is correct. (Optional)
4 Check the wiring + / -.
5 external devices to connect one.
6 External device station number is set correctly.
If you still can not connect:
If you have the confirmation, can be + / - exchange.
If you could only pick one, you can not connect more than one, you can view the terminal resistance.
Other .... not encountered.
Hard to check that part of the problem.
Here are a few to trace the order:
1 Confirm the PLC is set up correctly.
2 confirm there RS485 data sent.
3 Confirm whether to receive RS485 data sent to their ownformat (MODBUS / ASCII / RTU) is correct. (Optional)
4 Check the wiring + / -.
5 external devices to connect one.
6 External device station number is set correctly.
If you still can not connect:
If you have the confirmation, can be + / - exchange.
If you could only pick one, you can not connect more than one, you can view the terminal resistance.
Other .... not encountered.
PLC|RS485無法連接怎麼辦??
RS485通訊異常時，常常都沒有錯誤訊息，
很難去查那個部份有問題。
以下提供幾個追查的順序：
1.確認PLC是否設定正確。
2.確認RS485是否有資料發出。
3.確認RS485是否有接收到自已發出的資料，格式(MODBUS/ASCII/RTU)是否正確。(選擇性)
4.確認接線+/-。
5.外部裝置先連接一台。
6.外部裝置的站號是否設定正確。
如果還是無法連接：
如果都確認無誤，可以把+/-互換。
如果只接一台可以，連接多台就不可，可以查看終端電阻。
其他....未遇到。
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