Precision motion control requires accurate high speed counting. The GE IC694APU300 delivers reliable pulse accumulation for industrial automation. This module functions as a high speed counter for the RX3i platform. GE designed this unit for encoder feedback and position tracking.
Technical Specifications & Dimensions
This module accepts pulses from incremental encoders and proximity switches. The table below outlines its core technical parameters.
| Parameter | Specification |
|---|---|
| Number of Channels | 4 independent counter channels |
| Maximum Frequency | 100 kHz per channel |
| Input Types | Single phase, dual phase, or directional |
| Input Voltage | 5V DC or 24V DC (selectable) |
| Encoder Support | Quadrature (A/B) with 90° phase shift |
| Counter Resolution | 32 bits (4,294,967,295 counts) |
| Power Supply | 5V DC from backplane (300 mA) |
| Field Power | 24V DC external (200 mA max) |
| Unit Weight | 0.32 kg (0.71 lbs) |
| Dimensions (WxHxD) | 25 x 165 x 190 mm |
| Number of Components | 2 ASICs + 8 opto-isolators |
Construction and Interface Layout
This module features a rugged plastic housing with metal shielding inside. Such a design protects sensitive counting circuits from electrical interference. Furthermore, the GE IC694APU300 provides a front-accessible terminal block for field wiring. You will find 24 screw terminals on this interface. Each terminal accepts wire sizes from 0.2 to 1.5 mm². An LED bar shows the active status for every input channel.
Energy Storage and Signal Processing
Unlike basic discrete input cards, this counter module includes debouncing capacitors. The board uses small ceramic capacitors to filter input signal noise. Consequently, the GE IC694APU300 counts clean pulses even in noisy environments. Each channel features a dedicated 32-bit accumulator with non-volatile storage. This storage retains the current count value during power loss. The module does not require backup batteries for counter retention.
Installation and Mounting Requirements
Installing the GE IC694APU300 takes only a few minutes of work. The unit slides directly into an RX3i Universal Backplane slot. It also locks securely with a top-mounted retaining clip. Always disconnect both 5V and 24V supplies before inserting this module. The unit uses passive cooling without any internal fans. This design eliminates dust accumulation and moving parts. The module occupies a single slot in the main rack.
Integration with PLC Systems
This high speed counter works perfectly with GE RX3i CPUs. It reads pulses from encoders on conveyors, cutters, and presses. Operators can configure each channel as up/down, quadrature, or pulse/direction. The GE IC694APU300 also supports five preset values with automatic output control. Consequently, this module remains an excellent choice for positioning tasks. The unit delivers consistent performance across a 0°C to 60°C temperature range.
Details
| Weight | 0.1 kg |
|---|---|
| Dimensions | 25 × 108 × 127 mm |
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