Retaining Memory Integers

[bgics]

I'm new to Unitronics programming.  Using VisiLogic.  Concerning memory integers.  I have not tested this yet, but am wondering if I use a memory integer for an operator input setpoint, will that value be stored in the event they power down the PLC and turn it back on?  I'm not talking about Power Up value, just a value that can be changed from time to time by an operator.  Will the last stored value of the memory integer be retained upon a PLC power cycle?

[Flex727]

When you create the operand there is a setting to retain its value.

[Flex727]

Oops, for some reason I thought I was in the UniLogic forum. With VisiLogic, all operands are retained through power cycle or reset if there is a working battery in place.

[Bisku]

All M-operands (MB, MI, ML, DW) are retained.

X-Operands (XB, XI, XL, XDW) are kept in memory. Therefor they are processed faster, but they are not backed-up by battery.

[Flex727]

On 5/25/2019 at 1:27 AM, Bisku said:

All M-operands (MB, MI, ML, DW) are retained.

X-Operands (XB, XI, XL, XDW) are kept in memory. Therefor they are processed faster, but they are not backed-up by battery.

This is correct. Thanks for expanding.

[bgics]

Great, thank you all for the information.  Very helpful!