Omron FQM1-MMA22 Motion Control Module for FQM1 PLC

The Omron FQM1-MMA22 is a dedicated motion control module designed for the FQM1 series compact PLCs. This module provides two axes of pulse train output for controlling servo or stepper drives, with high-speed positioning and advanced interpolation capabilities. It is ideal for small to medium-scale machines requiring precise coordinated motion.

Axis and Output Specifications

The MMA22 supports two independent axes, each capable of pulse output up to 500 kpps (line driver) or 200 kpps (open-collector). Output modes include pulse-direction or CW/CCW. The module includes dedicated inputs for limit switches, home sensors, and encoder feedback (differential or single-ended) up to 1 MHz.

Motion Control Features

Built-in functions include linear interpolation (2-axis), circular interpolation, point-to-point positioning, and continuous path control. Acceleration/deceleration can be trapezoidal or S-curve. The module supports electronic gear ratio, backlash compensation, and multiple homing modes (with configurable speed and approach).

Programming and Data Interface

The module is programmed using Omron's CX-Motion or integrated into CX-Programmer. Motion commands are issued via dedicated PLC instructions (e.g., @MOV, @ACC) that write to control registers. Status data (current position, speed, error codes) are readable as PLC variables.

Diagnostics and Indicators

LEDs indicate power, axis operation, and error conditions. The module performs self-diagnostics on power-up, checking memory and driver circuits. Errors are reported to the PLC with specific error codes.

Electrical and Environmental Data

Power supply: 5 VDC from backplane (200 mA) and 24 VDC external (150 mA total for outputs). Operating temperature: 0 to 55°C, storage: -20 to 75°C. Humidity: 10-90% non-condensing. Conformal coating for moisture protection.

Mechanical Dimensions

Size: 90 mm x 70 mm x 60 mm (H x W x D). Weight: approx. 150 g. Mounting on DIN rail or panel via clips.

Compatibility

Compatible with FQM1-CPU01 and FQM1-CPU02 units. The module occupies one slot in the FQM1 expansion rack. Up to two motion modules can be connected for 4-axis control.

Applications

Typical uses include small pick-and-place machines, labeling devices, winding machines, and XY positioning tables. It is also used in packaging and textile equipment.

Installation and Wiring

Installation involves connecting servo drives via shielded twisted-pair cables. Proper grounding and EMI suppression measures are recommended. The terminal block is removable for easy servicing.

Maintenance

No routine calibration required. Firmware updates are via the PLC programming port. Periodic cleaning of connectors is advised.

In conclusion, the Omron FQM1-MMA22 motion module offers a cost-effective, high-performance solution for two-axis positioning applications within the FQM1 PLC ecosystem.