Siemens SIMATIC S7-1500 Function Manual page 109

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3.13 Record
Every signal point consists of the following attributes:
1. x (measuring point)
2. t (relative ^time in milliseconds)
3. y (Y value)
4. points (number of signal points that are available for the calculation of a new signal)
In "Advanced Mode (JavaScript)" you can access all four attributes (e.g. "$1.y", "$1.t", "$1.x",
$1.points[i].y, ...).
The following function tables support you in writing expressions or complex code in
JavaScript. The function table contains the functions used most often:
Figure 3-63 "Calculated signal" tab with function table
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Function Manual, 11/2019, A5E03484625-AG
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