Frequently Asked Questions

How Can I Determine the Firmware, Boot and Coprocessor Version of the Controller?

The Device Identification area of the controller Services tab provides information about versions.

Step

Action

1

In online mode, from the graphical configuration editor, double-click the controller.

2

Select the Services tab.

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What Programming Languages Are Supported by a Modicon M218 Logic Controller?

Refer to key features of Modicon M218 Logic Controller.

What Variable Types Are Supported by a Modicon M218 Logic Controller?

Refer to supported data types.

When Should I Use Freewheeling or Cyclic Task Type?

Freewheeling or cyclic task type usage are described in Task Types:

oFreewheeling: use this setting if you accept to have a variable cycle time. The next cycle will start after a waiting duration equals 30% of the last cycle execution duration.

oCyclic: use this mode if you want to control the cycle time.

What Are the Effects of Cold/Warm Restart?

Refer to Reset Cold/Reset Warm.

Can I Connect Several M218 Controllers Through Several USB Ports to My PC?

No, because driver conflicts may occur.

Why Is the Communication Between the HMI and the Controller Interrupted when Making Online Changes?

When online changes are made to a M218 application, the Symbol Configuration is downloaded. This results in a temporary interruption of the communication. It occurs when the protocol used between the controller and the HMI is the EcoStruxure Machine Expert network protocol.

Can I Simulate the Physical Controller Behavior with the Simulation Mode?

No. The simulation mode is only used to simulate the logic of the user application, not the Controller hardware behavior.