The Parker / Compumotor 9-Pin Terminal Block is a screw terminal interface accessory for the ZETA4 Motor Drive. It provides nine dedicated connection points for power, signal, and communication lines in 2-phase hybrid stepper motor applications. The terminal block facilitates connections to step/direction or CW/CCW control inputs, encoder feedback, and power distribution within industrial motion control systems operating at 95–132 VAC, 50/60 Hz.
Technical Specifications
Electrical Characteristics
• Power input: 95–132 VAC, 50/60 Hz
• Bus voltage: 170 VDC
• Motor current: 4 A
• Power capacity: 900 VA
• Internal +5V output: Available with 0.5 A total load limit across all I/O connections
Pin Configuration — 9-Pin Screw Terminal
• Pin 1: Interlock
• Pin 2: A- Center tap
• Pin 3: A+
• Pin 4: A-
• Pin 5: Earth
• Pin 6: B+
• Pin 7: B-
• Pin 8: B- Center tap
• Pin 9: Interlock
Signal Characteristics
• Input signals: Step/direction or CW/CCW control
• Switching levels: TTL-compatible (Low ≤0.4 V, High ≥2.4 V)
• Maximum input frequency: 1.6 MHz
• Minimum transition time: 625 ns
• Encoder input: Two-phase quadrature, differential or single-ended, maximum 5 VDC
• Output capability: Programmable open collector with 4.7 kΩ pull-ups; source up to 50 mA at 0–24 VDC or 5 mA at 5–24 VDC; sink up to 300 mA at 5–24 VDC
Environmental
• Operating temperature: 0°C to 45°C (32°F to 113°F)
– Key Features
TTL-compatible logic levels support direct integration with indexers and motion controllers. The terminal block accommodates both differential and single-ended encoder inputs. Programmable output configuration enables flexible signal sourcing and sinking.
– Compatibility & Integration
Designed for ZETA4, ZETA4-240, ZETA8, and ZETA12 drives. Compatible with 1.8-degree 2-phase hybrid permanent magnet stepper motors and Compumotor indexers and motion control products.















