IC693DSM302-BF Two-axis servo motion control module

Description

1. Product Overview

Part Number: IC693DSM302-BF

Manufacturer: GE Fanuc

Compatible System: Designed exclusively for GE Series 90-30 PLC rack system, occupying a single slot on the backplane. It acts as a native axis expansion unit, integrating logic interlock, recipe management and servo positioning control within one unified control platform without external standalone motion controllers.

Product Definition: Motion Mate DSM302 dual-axis digital servo motion control module equipped with independent DSP closed-loop arithmetic core. It controls 2 independent servo axes simultaneously, supporting direct connection with original GE Fanuc SL digital servo drives. Firmware V1.40 and above outputs ±10V analog command signals to drive third-party analog servo systems from Yaskawa, Panasonic, Mitsubishi and other brands. It executes point positioning, electronic gear synchronization, flying shear follow-up, cam curve generation and 2-axis interpolation motion, with built-in homing, software/hardware limit and position latch acquisition safety functions. Widely applied to precision servo positioning control of packaging machinery, machine tools, material handling equipment, printing cutting and automated production lines.

2. Hardware Structure & Six Functional Units

2.1 DSP Independent Closed-Loop Motion Calculation Unit

Dedicated DSP processor runs three independent closed-loop refresh cycles: torque loop 250μs, velocity loop 1ms, position loop 2ms. The overall motion program scan cycle is less than 5ms. Velocity feedforward and position error integration algorithms are embedded to reduce following error during high-speed start-stop and trajectory operation, improving repeat positioning accuracy. Motion calculation runs independently without occupying main PLC CPU scan resources.

2.2 Dual-Axis Servo Command Output Unit

Two primary servo ports (Channel A & B) support two control modes: digital bus communication with GE Fanuc SL digital servos; ±10V analog voltage output for general third-party servos. Each axis includes home trigger input, forward/reverse overtravel hard limit input and 2 external trigger position latch signals. An auxiliary master encoder interface is reserved to realize electronic gear following and master-slave motion via external quadrature encoder.

2.3 Non-Volatile Program Storage Unit

Onboard Flash memory permanently stores 10 complete motion programs and 40 subroutines after power loss, supporting automatic program boot-up. Background automatic data exchange between PLC registers and module motion parameters eliminates manual communication programming; target position, speed and acceleration can be modified directly from the PLC side.

2.4 Multi-Port Debug & Firmware Upgrade Unit

DB9 RS232 serial port connects with APM configuration software (reference manual GFK-1464) for program download, online monitoring and parameter tuning. An RJ11 dedicated port supports firmware upgrade via cable IC693CBL316. Front-panel LEDs indicate operation status, configuration, axis enable and fault alarm for intuitive diagnosis.

2.5 Backplane Power Supply & Multi-Level Protection Unit

Powered by 5VDC backplane bus of Series 90-30 rack with typical operating current 450mA. EMI filter, reverse polarity protection, overcurrent fuse and TVS surge clamping circuits are integrated to suppress grid fluctuation and plug-in impact. Galvanic isolation between strong and weak current loops prevents servo interference from corrupting rack backplane communication.

2.6 Industrial Reinforced PCB & Rack Adaptation Unit

Single-slot pluggable modular design matching Series 90-30 standard rack. Flame-retardant gold-plated FR-4 PCB is fully coated with conformal coating for moisture, salt spray and corrosion resistance. Fanless passive cooling enables stable long-term operation under high cabinet temperature and continuous mechanical vibration for 24/7 industrial equipment operation.

3. Detailed Technical Specifications

(1) Core Motion Control Parameters

Item	Specification
Model	IC693DSM302-BF Dual-Axis Servo Motion Control Module
Rack Compatibility	Single-slot plug-in for GE Series 90-30 PLC
Controlled Axes	2 independent servo axes, master-slave electronic gear follow mode supported
Closed-Loop Refresh	Torque loop 250μs, Velocity loop 1ms, Position loop 2ms
Position Range	-8388608 ~ +8388607 user units
Speed Range	1 ~ 8388607 units/sec
Acceleration Range	1 ~ 134217727 units/sec²
Program Storage	10 main programs + 40 subroutines retained after power off
Servo Compatibility	GE SL digital servo; ±10V analog general servo (Firmware ≥V1.40)
Onboard I/O	Home signal, bidirectional limit, 2 position latch per axis; master follower encoder input

(2) Electrical & Interface Parameters

Power Input: 5VDC from rack backplane, operating current 450mA
Programming Interfaces: DB9 RS232, RJ11 firmware upgrade port
Servo Connectors: 2 dedicated servo ports, 1 master encoder follower port
Power Consumption: Low heat design supporting dense multi-module rack installation
Hot Swap Restriction: Hot plugging while rack is energized is strictly prohibited to avoid permanent damage to backplane bus and DSP chip.

(3) Environmental Specifications

Operating Temperature: 0℃ ~ +60℃
Storage & Transit Temperature: -40℃ ~ +85℃
Humidity: 5%~95%RH non-condensing, no corrosive gas or salt fog deposition
Ingress Rating: IP20 for installation inside sealed electrical cabinets only

(4) Mechanical Dimensions

Mounting: Direct plug-in into standard Series 90-30 PLC rack slots
Overall Dimension: 168H × 149D × 55W mm
Net Weight: Approx. 0.49kg
Housing: Flame-retardant industrial plastic enclosure with anti-oxidation gold-plated PCB inside

4. Product Advantages

Integrated PLC & motion control architecture reduces total system hardware by eliminating independent motion controllers and gateway converters, minimizing wiring and programming workload.
Compound regulation of position integral + velocity feedforward eliminates servo lag deviation for flying shear and mark tracking processes, achieving pulse-level repeat positioning accuracy.
Master-slave electronic gear function uses production line main encoder as reference to realize synchronous follow-up without accumulated error, ideal for continuous web processing equipment such as bag making and slitting machines.
Local flash program storage allows automatic program execution upon power-on even if host PLC program is lost, improving equipment fault tolerance.
Native GE servo compatibility plus open ±10V analog interface supports most mainstream Japanese servo drives for flexible legacy equipment renovation.
Standard rack modular design enables drop-in replacement with no hardware configuration modification, shortening equipment downtime during maintenance.

5. Application Scenarios

Packaging & Printing Light Industry

Bag making machines, flying shear cutting equipment, label printing registration systems and paper slitting machines for fixed-length cutting, mark positioning and web tension follow-up control with synchronized feeding and cutting via 2-axis linkage.

Machine Tool & Automation Equipment

Small CNC drilling/milling machines, robotic handling gantries for point-to-point movement, multi-station cyclic positioning and fixture servo drive control.

Logistics & Warehousing Conveyance

Stackers for automated warehouses, transfer mechanisms on assembly lines and sorting station push axes for precise cargo transfer and storage access scheduling.

Maintenance & Retrofit Spare Parts

Direct replacement for failed motion modules on legacy GE 90-30 PLC production lines; axis expansion for single-axis equipment upgraded to dual-axis linkage; preventive spare part inventory for annual equipment maintenance plans.