Programming instructions
 ADT-CNC4620 Programming Manual 
III 
Precautions 
※Transportation and storage 
The packaging boxes shouldn’t be stacked more than six layers 
Do not climb onto, stand on or put heavy objects on the packaging box
Do not drag or convey the product with a cable connected to the product 
Do not impact or scratch the panel and display 
Keep the packaging box away from moisture, insulation and rain 
※Unpacking and checking 
Unpack and check whether the product is the one you ordered 
Check whether the product is damaged during transporting 
Check whether the parts are complete and intact according to the packing list 
If the model doesn’t match, any accessories are missing or damaged, please contact us immediately
※Wire connection 
The personnel for wire connection and checking should be qualified 
The product must be grounded reliably (resistance < 4Ω) and do not use neutral wire to replace the earth wire 
The wires must be connected properly and firmly to avoid failures and accidents 
The surge absorption diode must be connected to the product properly, or else it will damage the product 
Please cut off the power supply before inserting/removing the plug or opening the enclosure
※Checking and repairing 
Please cut off the power supply before repairing or replacing the components 
Check the failure if short circuit or overload occurs, and restart after eliminating all failures 
Do not connect/cut off the power supply frequently; wait for at least one minute before restarting 
※Others 
Do not open the enclosure without permission 
Please cut off the power supply if it won’t be used for a long time 
Prevent dust and iron powder from entering the controller 
If non-solid state relay is used for output, please connect freewheeling diode to relay coil in parallel. Check 
whether the connected power supply is qualified to avoid burning out the controller 
The lifetime of the controller depends on the environment temperature. If the temperature of processing field is 
too high, please install cooling fan. The allowable temperature range of the controller is 0℃-60℃ 
Avoid using in the environment with high temperature, moisture, dust or corrosive gas 
Install rubber cushion if the vibration is severe 
※Maintenance 
Under normal condition (environment: daily average 30 , load rate 80%, running rate 12 hours every d℃ ay), 
please perform daily and periodic checking according to the items below.
Daily checking 
Daily 
Confirm environment temperature, humidity and 
dust 
Whether there is abnormal vibration or sound 
Whether the vent hole is blocked by yarn 
Periodic checking 
1 year 
Whether the fixed parts are loose 
Whether the terminal block is damaged 










