---
title: "Instance Configuration"
slug: "instance-configuration"
updated: 2024-01-30T14:03:03Z
published: 2024-01-30T14:03:03Z
canonical: "kb.dataparc.com/instance-configuration"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://kb.dataparc.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Instance Configuration

Configure the instance of PARCserver for the group to run on by selecting Config in the group panel.

![](https://cdn.document360.io/59db2ca4-e512-446a-a143-a7c626447812/Images/Documentation/image064_004.jpg)

The Instance Configuration window will open.

![](https://cdn.document360.io/59db2ca4-e512-446a-a143-a7c626447812/Images/Documentation/image065_003_309x459.png)

**Instance Number:** The instance that is being configured.

**Server Cycle Time:** The duration of a cycle in seconds.

**Output Time Format:** A format mask for the timestamps written to the history file.

**Output Source Name:** The name of the Calc source.

**Output File Type:**

**PortIO:** The standard file format that PortIO reads.

**Tag;Time;Val:** Contains the tag name, timestamp, and value delimited by semicolons.

**PortIO (semicolon):** Standard PortIO format delimited by semicolons instead of commas.

**Path to write files:** The location that history files will be written to.

**Path to PARCcalc Config on server:** The location of the PARCcalc Config folder on the computer.