IDEC FC4A-C10R2 User Manual page 158

Fc4a series microsmart micro programmable logic controller

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Setting and Resetting Bit Operand Status

Bit operand statuses, such as inputs, outputs, internal relays, and shift register bits, can be displayed, and set or reset using

the MHI module.

This section describes the procedure for displaying an internal relay status and for setting the internal relay for an example.

The same procedure applies to inputs, outputs, and shift register bits.

Example: Set internal relay M120

1. Select the Internal Relay menu.

Go to control

2. Select the operand number.

Shift up one

Shift up one

3. The status of the selected internal relay number is displayed.

Internal relay status

Current Status

4. Select 1 (set) or 0 (reset) using the ▲ or ▼ button.

Increment the value.

0: Reset (OFF)

5. The changed status is displayed without ﬂashing.

Return to the Internal

Select digit.

Select digit.

Back to digit

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Troubleshooting