Read PLC

Parameter Introduction

Calculation Parameters

Parameter	Range	Default Value	Description	Illustration
Device			Select device from the device list Note: Available devices must meet 2 conditions: 1. Device belongs to PLC group; 2. Device is enabled
Address			Register address
Type	Bool Byte Uint16 Int16 Uint32 Int32 Single Double String	Bool
Length		1	Total length of content to read

Exception Troubleshooting

No.	Exception Information	Corresponding Parameter	Solution
1	Parameter "xxx" cannot be empty	Parameter name	Input the xxx parameter.
2	Device "xxx" does not exist	Device name	Modify device parameters or add corresponding device.
3	Failed to read xxx "xxx" type data from address "xxx"	Address,Count,Type	Ensure PLC supports specified data type, and specified address is correct and accessible.