AEROTECH Automation1 XI4 Servo Interface
Automation1 XI4 Servo Interface
The Automation1 XI4 servo controller brings precision Automation1 servo control to any analog transconductance amplifier. Each XI4 axis of control generates an analog voltage command — required by analog amplifiers to control the output current to a servo motor — and receives encoder and axis feedback signals.
Design Features
Supports single connector axis interface including analog control output, encoder feedback, 2x EOT limit inputs, marker input, amplifier enable & fault, plus optional absolute encoder support
Features up to 4 axes of 20 kHz closed-loop servo control
Features one analog current command per axis
Includes one axis PSO standard with multi-axis options
Include 8/8 digital I/O (optically isolated), 1x high speed input & dedicated PSO output
Control Any Amplifier
The Automation1 XI4 servo controller brings precision Automation1 servo control to any analog transconductance amplifier. Each XI4 axis of control generates an analog voltage command — required by analog amplifiers to control the output current to a servo motor — and receives encoder and axis feedback signals. The XI4 comes in both 2- and 4- axis configurations, each with an independent 20 kHz servo control loop. For added flexibility, each axis on the XI4 can be configured to output clock and direction control signals.

XI4
XI4 Specifications
| Category | Specification |
| HyperWire Communication | 2x HyperWire small form-factor pluggable (SFP) ports |
| Control Output (1) | Supports two or four axes of stepper current command (±10 V) or clock & direction control |
| Control Supply | Voltage: 24 VDC Current, 2 Axis Unit: 2 A max, 0.45 A typical Current, 4 Axis Unit: 2 A max, 0.6 A typical |
| User Power Supply Output | 5 VDC |
| Modes of Operation | Open loop Closed loop |
| Protective Features | Output short circuit
Control power supply undervoltage |
| Position Synchronized Output (PSO) | Standard: One-axis PSO (includes one-axis part-speed PSO) Optional: |
| 25-Pin Axis Connector | Servo current commands/stepper clock & direction output
High-speed differential inputs (encoder sin, cos and marker) Absolute encoder interface (support optional) CW and CCW limits 5 VDC power supply Amplifier enable and fault. |
| Multiplier Options | MX0 Option: Primary Encoder: 40 million counts-per-second square-wave input Auxiliary Encoder: 40 million counts-per-second square-wave input MX1 Option: *Encoders multiplied with this input cannot be echoed out |
| Analog I/O | 4x 16-bit differential, ±10 V analog input
4x 16-bit single-ended, ±10 V analog output |
| Digital I/O Connector | 8x optically isolated digital inputs (externally powered, 5-24 VDC)
8x optically isolated digital outputs (externally powered, 5-24 VDC) 1x optically isolated high-speed inputs 1x PSO TTL output 1x 5 VDC power supply |
| Drive Array Memory | 67.1 MB (16,777,216 32-bit elements) |
| High Speed Data Capture | Yes (50 ns latency) |
| Automatic Brake Control | Assignable digital output |
| E-Stop Sense Input | Assignable digital input |
| Absolute Encoder (Optional) | BiSS C Unidirectional; EnDat 2.1; EnDat 2.2 |
| Position Command Update Rate | 20 kHz |
| Operating Temperature | 0 to 40 °C |
| Storage Temperature | -30 to 85 °C |
| Weight | 0.59 kg (1.30 lb) |