RTU FAQ summary

1、 IO board failure in RTU

1. During patrol inspection, it is found that the working light of a single IO board is off;

◆ if the instrument connected to the card does not involve well shut in, contact the main control room and insert the card into the spare slot;

◆ if the instrument connected to the card involves shut in, inform the gas production team to wear the spare cap, then remove the RTU shut in signal line, contact the main control room, insert the card into the spare slot, restore the shut in signal line after the card is normal, and inform the gas production team to remove the spare cap;

2. During patrol inspection, it is found that the working light (green light) of all IO boards is off, and check whether the communication CPU is powered on;

◆ power on the communication CPU if it is not powered on. If the card is still not normal, replace the backplane;

◆ after power on, replace the backplane;

3. The channel connected to the normal working instrument is red. Disconnect the instrument circuit, simulate a 4-20mA current signal with the signal generator, send it to the card and contact the main control room;

◆ if the upper computer data display is abnormal, the channel is broken, and replace the channel;

◆ if the upper computer data display is normal and corresponds to the current value, the cable from the card channel to the instrument wiring terminal block is broken, and the wiring shall be replaced immediately.

2、 RTU controller failure

1. The working indicator light of the main CPU is not on or there is a fault code. If it is not automatically switched to the standby CPU, switch to the standby CPU manually immediately. Dial down the sw1-3 dial code of the main CPU to restore the factory default setting, reinstall the program, and then dial the dial code back to the original position. After power on, the display "Ba" is normal, otherwise replace the new CPU, configure and download the program;

2. If the standby CPU working indicator light is not on or the code other than "Ba" is displayed, follow the above steps;

3. If the Ethernet port working indicator of the CPU is not on, check whether the two ends of the network cable are plugged tightly. If it is plugged tightly, contact the main control room to replace other Ethernet ports of the BB switch. Execute the ping command on the CPU. If the Ping is connected, replace the BB switch. If the Ping is not connected, replace the CPU.

3、 RTU communication CPU failure

1. The working indicator of communication CPU is off, check the wiring power supply, the wiring power supply is normal, and replace the communication CPU;

2. If the communication between the CPU and the BB in the main control room is not tight, check whether the communication between the CPU and the BB in the main control room is not tight. If the communication between the BB and the other Ethernet ports is not tight, replace the Ethernet switch.

4、 RTU redundancy switching module failure

If the indicator light of redundant communication module is off, contact the main control room to replace the redundant switching module. If it is still normal, replace the backplane.

5、 3com switch failure in RTU

1. When the working indicator of 3Com switch is off, check the wiring. If the wiring power supply is normal, replace the 3Com switch;

2. When the indicator light of an active interface is off, use the standby interface.

6、 BB switch fault in RTU

1. When the working indicator of BB switch is off, check the wiring. If the wiring power supply is normal, replace the BB switch;

2. When the working light of an interface is off, replace the BB switch.

7、 TSR fault in RTU

1. When the TSR working indicator is off, check the wiring. If the wiring power supply is normal, replace the TSR;

2. When the data of the hydraulic control cabinet cannot be transmitted to the upper computer, Ping TSR shall be handled according to the second fault.

8、 RTU power failure

When the single power working indicator is off, check whether the 220V AC input is normal. If it is normal, replace the power module. If there is no AC input or the voltage value is abnormal, replace the wiring from the air switch to the power module

The working indicator lights of the two power modules are off. Check whether the 220V AC input of the power module is normal. If it is normal, replace the power module. If there is no AC input or the voltage value is abnormal, check the wiring from the air switch to the power module. If there is virtual connection or short circuit, replace it immediately. If there is no voltage at the air switch, inform the hydropower team to check the power supply from the distribution cabinet to RTU.

9、 RTU orifice size change

In order to meet the production conditions or process requirements, a new orifice plate needs to be replaced. In the RTU program, the orifice plate size needs to be changed. Take kl2-12 as an example: open ControlWave designer open project / unzip projectkl2-12 and open project logic pous

Gas_ Flowv, change the oridiam value to the new orifice size, save it, and install the two controllers respectively.

10、 Reset operation after RTU shut in

Open the station in the engineer station, change the authority to administrator level, click Configure system hardware controller interfaces controllers on the toolbar, such as kl2-12, click view point of rtu012, reset ESD of the whole plant, and double-click kl2_ C_ 2_ 12. Change the op value to normal; The main control room sends a shut in command and double-click kl2_ C2_ 12. Change the op value to normal and click "yes" in the upper right corner to confirm.

11、 RTU controller configuration problem

Connect the serial port cable to controller a and open local view;

1. The new view mode dialog box appears, select local mode, enter the name, and click create;

2. The communication setup: step1 dialog box appears, and click next;

3. The RTU setup: Step 2 of 3 dialog box appears, select no, thank you, select the RTU type, and click finish;

4. Click the + sign in front of the network in the local view window, and right-click rturturtu configuration parameters;

5. The flash configuration interface appears, and click load from RTU;

6. The sign on to RTU window appears, enter the user name and password and confirm;

7. Click the ports option, select enet1, and enter the IP address and subnet mask of CPU a and B; Select COM1, select MODBUS master in the mode option of protectol, and select RTU without TSR and ASCII with TSR in message type;

8. Click IP parameters and enter the network host address;

9. Click application names and enter the IP addresses of CPU a and CPU B;

10. Click Save to RTU, close CPU a, insert the serial port cable into CPU B, and click Save to RTU again.

12、 RTU communication CPU configuration problem

Connect the serial port cable to the communication CPU and open the local view;

1. The new view mode dialog box appears, select local mode, enter the name, and click create;

2. The communication setup: step1 dialog box appears, and click next;

3. The RTU setup: Step 2 of 3 dialog box appears, select no, thank you, select cwave Rio type, and click finish;

4. Click the + sign in front of the network in the local view window, and right-click rturturtu configuration parameters;

5. The flash configuration interface appears, and click load from RTU;

6. The sign on to RTU window appears, enter the user name and password and confirm;

7. Click the ports option, select enet1, and enter the IP address and subnet mask of the communication CPU;

8. Click IP parameters and enter the network host address;

9. Click application pramers and enter the IP address of the communication CPU;

10. Click Save to RTU.

13、 IO card configuration in RTU

Connect the serial port line to the communication CPU;

1. Open ControlWave designerfileopen project / unzip project and open the program;

2. Click viewio configurator;

3. The I / O configuration wizard (step 1 of 3) appears, and click next;

4. The I / O configuration wizard (step 2 of 3) appears, and select cw_ in unit type, Select cards in Ext rack boards, click add, add to the selected board list, and click next;

5. The I / O configuration wizard (step 3 of 3) appears, select the card, enter the IP address of the expansion rack in IP address, and click show detail pins' information;

6. Configure list of available analog pins appears, select the channel to be used in the list of available pins, enter the tag number, repeat the operation until the card is configured, and click done;

7. Repeat steps 5 and 6 to configure other cards.

14、 RTU program download problem

Program with serial port

1. Connect the serial port cable to the communication CPU, open ControlWave designer, find the written program, and right-click RTU_ Resource, select settings;

2. The resource settings window appears, select the DLL port, select serial in the DLL, enter the communication port, baud rate and response time in parameter, and confirm;

3. Click project control;

4. The sign in required window appears, enter the user name and password and confirm;

RTU appears_ In the resource window, click stopresetdownloaddownload sourcedownloaddownloaddownloaddownloadactivatecold.

Program with Ethernet port

1. Connect the serial port cable to the communication CPU, open ControlWave designer, find the written program, and right-click RTU_ Resource, select settings;

2. The resource settings window appears, select the DLL port, select TCP / IP in the DLL, enter the IP address and response time in the parameter, and confirm;

3. Click project control;

4. The sign in required window appears, enter the user name and password and confirm;

5. RTU appears_ In the resource window, click stopresetdownloaddownload sourcedownloaddownloaddownloaddownloadactivatecold.