Allen-Bradley 1745-PT1 Programmable Terminal

The Allen-Bradley 1745-PT1 Pocket Programmer is a handheld programming terminal designed for SLC 100 controllers, delivering in-field capabilities to program, edit, monitor, and troubleshoot a user’s SLC 100 project from the plant floor. It connects to the SLC 100 processor via a 1747-C10 communications link, enabling direct interaction with the ladder logic and data values without needing a PC for common maintenance tasks. The device is powered by the connected processor unit, reflecting its role as a field-access tool rather than a self-contained standalone PLC; this makes it ideal for on-site edits, program backups, and quick diagnostics while equipment is running. Compatibility centers on the SLC 100 family, with the PT1 serving as a dedicated pocket programming solution within Allen-Bradley’s legacy SLC-era tooling. Applications typically include field service and debugging workflows where rapid access to logic, I/O status, and real-time controller behavior is required to confirm correct operation or to recover a program after changes. This model complements other SLC-100 accessories and interfaces, providing a compact, durable means to manage PLC programs in environments where a desktop or laptop is impractical.