Description
Product Introduction
This GE F31X307LTBAAG1 is a logic and timing controller board for GE’s drive and excitation control platforms. The “LTB” designation identifies this as a Logic and Timing Board, providing precision timing and counting functions for control applications.
The board provides 16 configurable digital I/O points, 8 high-speed counter/timer channels with 1 µs resolution, and dual serial ports. It is designed for applications requiring precise timing, counting, and sequencing.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE (General Electric) |
| Model Number | F31X307LTBAAG1 |
| Product Type | Logic and Timing Controller Board |
| Input Voltage | 24 VDC (from system power supply) |
| Digital I/O | 16 configurable inputs/outputs (24 VDC) |
| Output Drive | 0.5 A per digital output channel |
| Counter/Timer Channels | 8 independent channels |
| Counter Resolution | 16-bit (0-65,535 counts) |
| Timer Resolution | 1 µs |
| Max Counter Frequency | 100 kHz |
| Timer Modes | Up/down count, PWM, single-shot, continuous |
| Serial Ports | 2 (RS-232, RS-422/485) |
| Protocol Support | GE proprietary, Modbus RTU |
| Status Indication | LED indicators for power and I/O status |
| Communication | Backplane connector |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -40 to +85 °C |
| Board Dimensions | Standard 6U or custom form factor |
Key Selling Points & Differentiators
- 8 High-Speed Counter/Timer Channels: Provides independent timing and counting with 1 µs resolution.
- Flexible Timer Modes: Supports up/down counting, PWM, single-shot, and continuous timing modes.
- Dual Serial Ports: RS-232 and RS-422/485 for communication.
- Quantified Testing Protocol: We test each counter/timer channel for accuracy and all I/O channels under load.
- Warranty & Support: 2-year functional warranty with application support.
Frequently Asked Questions (FAQ)
Q1: What is the purpose of the LTBAAG1 in a control system?
A: The board provides precision timing and counting functions for sequencing, registration, and PWM control applications.
Q2: What is the maximum counter frequency?
A: The counter inputs are rated for a maximum frequency of 100 kHz.
Q3: Can the counter/timer channels be used as PWM outputs?
A: Yes, the channels can be configured as PWM outputs with 16-bit duty cycle resolution.
Q4: Does the LTBAAG1 support Modbus RTU?
A: Yes, the board supports Modbus RTU over the RS-422/485 port.
Q5: What is the lifecycle status of the LTBAAG1?
A: This board is discontinued. We have a limited quantity of new surplus units. If your system requires this board, we recommend securing a spare.

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