QC-PLC Software

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Last updated February 13, 2018.

An upgrade is defined as the replacement of an older product with a newer version of that same product. In order to be considered an upgrade, the 1st or 2nd numbers in the version number must change. If only the third number changes, it is simply an update or revision and is free of charge. Please note that any products with a version older than two versions prior to the current version are not supported and cannot be upgraded. They will need to be purchased again.

The current minimum version that can be upgraded is: 3.4

You must own a previous version of this product in order to qualify for upgrade prices.

NOTE: If you have an active maintenance plan in place, upgrades are included as a part of the maintenance plan if the product qualifies for an upgrade.

Here are some examples:

From	To	Upgrade?
3.2	3.3	Yes
3.3	3.4	Yes
3.4.100	3.4.200	Free of charge

Currently upgrades are priced at the following rate for the product you were just viewing:
QC-PLC v.4.20

Full Price	Upgrade %	Upgrade Price
$1,155.00	25.00%	$288.75

Software sold through Prolink's website is eligible for a multi-copy discount based on the following schedule. Please be advised that multi-copy discounts only apply to multiple copies of like software.

Therefore, 3 copies of QC-CALC Real-Time and 2 copies of QC-CALC SPC do not qualify for a 5 copy discount. Each group qualifies for its own individual discount.

Copies	Discount %
1	Full Price
2-4	10%
5-9	15%
10+	20%

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