The main port of ZLAN9440 provides isolation two interface RS485 and RS232 at the same time, the sub-ports extend 4 channels isolation RS485 interface. Generally the RS485 wiring require hand-in-hand wiring style, need avoid star connection of master station as center. But sometimes need sta...
1.Please cut off power supply before wiring;2.DS-K1100 Series Card Readers support private RS485 protocol; the details about RS-485 about of card reader are as below:Color Description Red Power (DC +12V)Black GND Yellow RS-485+ Blue RS-485- Green W0 (available for Wiegand Protocol)White...
The main port of ZLAN9440 provides isolation two interface RS485 and RS232 at the same time, the sub-ports extend 4 channels isolation RS485 interface. Generally the RS485 wiring require hand-in-hand wiring style, need avoid star connection of master station as center. But sometimes need sta...
It proves the reliability of mixed wiring method and the accuracy of fault analysis and treatment.%为解决故障点及故障原因查找的问题,提出新型混合接线用采系统通信拓扑连接图,并进行新型模式下传输线模型分析;根据现场实际故障情况,对故障进行分类,并将通讯上行,下行故障予以单独分析,将故障分析法分为自动轮检...
ZLAN9223E Advanced passive RS232 to RS485 converter Passive RS232 to RS485 converter, no external power supply required. Unique design of the overall shell structure, RS485 wiring is stable and reliable. Supports serial baud rates up to 230400bps. ...
1. If the LED is continuously ON, the connection to the controller is lost. Check the wiring on terminals 6, 7 and 8.2. The LED will turn ON when the relay activates for its programmed strike time. The LED will not illuminate if the relay has been given a HOLD command.3. If ...
The RS485-LN wiring port is as shown below. Connect the power supply and RS485 A/B line according to the diagram. 1.9.3 Connect the RS485-LN to Ultrasonic Flowmeter According to the instructions of the ultrasonic flow meter, 26 and 27 are the + and...
The main port of ZLAN9440 provides isolation two interface RS485 and RS232 at the same time, the sub-ports extend 4 channels isolation RS485 interface. Generally the RS485 wiring require hand-in-hand wiring style, need avoid star connection of master station as center. But sometimes need sta...
I managed to get it up and running today. I'm not sure what I've done to make it work, I'm hesitating between bouncing after changing the wiring or changing the state of the resistor. Suggestion To thank Quote Answer This contribution was helpful to ...
I managed to get it up and running today. I'm not sure what I've done to make it work, I'm hesitating between bouncing after changing the wiring or changing the state of the resistor. Suggestion To thank Quote Answer This contribution was helpful to ...