Examine if Closed (XIC)
This information applies to the
CompactLogix
5370, ControlLogix
5570, Compact GuardLogix
5370, GuardLogix
5570, Compact GuardLogix
5380, CompactLogix
5380, CompactLogix
5480, ControlLogix
5580, and GuardLogix
5580 controllers.The Examine if Closed (XIC) instruction examines the data bit to set or clear the rung condition.
Available Languages
Ladder Diagram
Operands
Ladder Diagram
Operand | Data Type | Format | Description |
|---|---|---|---|
Data bit | BOOL | tag | Bit to be tested. There are various operand addressing modes possible for the data bit, see Bit Addressing for examples. |
Affects Math Status Flags
No
Major/Minor Faults
None specific to this instruction. See Index through arrays for array-indexing faults.
Execution
Ladder Diagram
Condition/State | Action Taken |
|---|---|
Prescan | N/A |
Rung-condition-in is false | Set Rung-condition-out to Rung-condition-in |
Rung-condition-in is true | If DataBit is true, rung-condition-out is set to true. If DataBit is false, rung-condition-out is cleared to false. |
Postscan | N/A |
Example 1
Ladder Diagram
If Limit_Switch_1 is true, the next instruction is enabled.
Example 2
Ladder Diagram
If S:V is true (generated by MOV), the next instruction is enabled.
Example 3
Ladder Diagram
XIC Access LINT Number
Axis_04 is an AXIS_CIP_DRIVE tag.
Test_Axis_00 is an Alias for Axis_04.
The AXIS_CIP_DRIVE type has a LINT member called CIPAxisFaults.
BusUndervoltageULFault is a bit member of CIPAxisFaults.
Test_Axis_00.BusUndervoltageULFault is bit 34 of CIPAxisFaults. The bit 34 value is 0x400000000.
If Test_Axis_00.BusUndervoltageULFault is true, this enables the next instruction.
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