⚙️ System Board AH463889U001 – Parker AC690+
The System Board AH463889U001 is an expansion module designed for the Parker AC690+ series (Frames C–K), engineered to enhance dual encoder signal processing for improved precision and synchronization in drive systems.
This board supports both master and slave encoders with repeat output signals, making it ideal for applications requiring high-speed and highly accurate feedback control.
🔹 Key Features
- Supports two encoder channels (Master and Slave) for synchronized speed and position control.
- Provides selectable encoder supply voltages of 5V, 12V, 18V, or 24V via switches SW1 & SW2.
- Supports pulse frequency up to 250kHz, ensuring high precision in industrial applications.
- Offers Repeat Encoder Output for monitoring devices or additional control systems.
- Includes 5 configurable digital I/O channels (DIGIO11–15) for flexible integration.
- Fully compatible with AC690+ drive frames from size C to K.








