Crestron SIMPL Windows Driver Suite

Section 1: Current Release

Version: 1.0.5
Release Date: October 4, 2026
Download: CoolAutomation_2026_Module_Suite_Demo_Program_v1_0_5_compiled (attached)

Always download the latest version from this article. Files shared in forum posts, email threads, or third-party archives may be outdated.

Section 2: Overview

The CoolAutomation 2026 Crestron SIMPL+ Driver Suite provides direct PRM ASCII control of CoolAutomation HVAC gateways from Crestron SIMPL programs.

Supported devices:

• CoolMaster / CoolMaster Pro
• CoolMasterNet
• CooLinkHub
• CooLinkBridge
• CoolMaster Edge

• CoolPlug

   

Section 3: Included Files

The production ZIP includes:

• Compiled SIMPL Windows demo program
• PDF help file
• Quick-start notes
• Release notes

Section 4: Basic Wiring

Use one CoolAutomation 2026 Manager module per CoolAutomation gateway.

For TCP/IP

Use a standard Crestron TCP/IP Client connected to port 10102.

For RS-232

Set Manager Transport_Mode to RS-232 and wire serial TX/RX directly to Manager TX$ / RX$.

Section 5: CoolMaster Edge Setup

CoolMaster Edge requires the ASCII server to be enabled before TCP port 10102 will accept connections.

Run this command once from a terminal or service tool:

set aserver enable 1

This cannot be performed automatically by the Crestron driver because the Manager module cannot connect until the ASCII server is already enabled.

Section 6: Child Modules

Use child modules as needed:

• Add one CoolAutomation 2026 Zone per HVAC indoor unit UID.
• Add one CoolAutomation 2026 Sensor per GS-SMT-IO point UID.
• Add one CoolAutomation 2026 HOA Zone per GS-SMT-HOA heating zone UID.
• Use CoolAutomation 2026 CoolPlug Helper only for CoolPlug commissioning tasks.

Section 7: Release Notes

1.0.5 - October 4, 2026

Production patch release. No pin-order or symbol-name changes. 

Update all five modules together as a matched set

Fixed:

• Manager polling now uses one persistent task, reducing recurring scheduler overhead associated with reported 4-Series handle growth.
• LF-framed messages and buffered, single-owner child parsers prevent lost or corrupted feedback during rapid zone updates.
• Send_ON_With_Mode now queues ON, mode, and refresh together, preventing lost power-on commands.
• Zone and HOA Zone retain the latest commanded setpoint while awaiting confirmation, preventing stale feedback from making the displayed value bounce.

1.0.4 - September 3, 2026

Production patch release. No pin/interface changes.

Fixed:

• Zone manager-bus parser now bounds Mid() string lengths when parsing STATE, NAME, and ZONEERR messages.
• Prevents Zone string-range faults from malformed or shorter-than-expected Manager bus messages.

1.0.3 - August 27, 2026

• Enabled Zone louver/swing controls.
• Enabled Zone filter reset.
• Kept Manager console Trace output gated behind Debug.

1.0.2 - August 27, 2026

• Gated Manager console Trace output behind Debug.

1.0.1 - August 27, 2026

• Suppressed routine automatic empty-line No UID poll noise.
• Corrected Zone and HOA Zone UID documentation.

1.0.0 - August 23, 2026

• First official public production release.

Section 8: Support

For product and driver support, open a CoolAutomation support request:

https://support.coolautomation.com/hc/en-us/requests/new