Overview
The Eaton Durant 57601-401 is a precision counter timer control module designed for industrial automation and process monitoring applications. Part of the Ambassador Series lineup, this unit operates at 115 VAC and provides a six-digit single preset counter with built-in 1/Tau rate meter capability. The module delivers accurate counting and timing functions essential for motion control, batch processing, and production tracking in manufacturing environments.
Key Features
- Six-digit single preset counter with scalable display values
- Four user-configurable control inputs (pick, drop, and logic functions)
- One output relay and two solid-state transistor outputs for control signaling
- Built-in 1/Tau rate meter with independent scaling
- Two-line alphanumeric LCD display with menu-driven programming
- RS-485 serial communications for remote monitoring and preset adjustment
Technical Specifications
- Model: 57601-401
- Series: Ambassador
- Power Supply: 115 VAC, 50/60 Hz
- Display Type: Two-line LCD alphanumeric
- Counter Resolution: Six digits
- Programmable Inputs: Four (user-configurable functions)
- Outputs: One relay + two solid-state NPN transistor outputs
- Communications: RS-485 serial protocol
- Count Input Modes: Current sinking or current sourcing
- Operating Condition: Used, fully functional and tested
Typical Applications
- Production line counting and part tracking
- Batch processing control with preset triggers
- Flow rate monitoring and totalizing applications
- Machine cycle counting and sequencing
- Conveyor system counters with speed rate meters
- Legacy industrial automation system integration
Compatibility & Replacements
Compatible With
- Industrial control cabinets with 115 VAC three-phase or single-phase power
- Sensor inputs: proximity switches, photoelectric sensors, encoders
- External relay logic and motor control circuits
- Serial host systems via RS-485 communications interface
- Counter-based production monitoring systems
Replaces / Drop-In Replacement For
- 57600-401 (10-15 VDC variant) — verify voltage requirements
- 57602-401 (230 VAC variant) — check your power supply specification
- Other Ambassador series 115 VAC counter models with similar six-digit preset functionality
Works With
- RS-485 serial communication protocols for host system integration
- Programmable sensor inputs from discrete control devices
- Relay-logic based automation frameworks
- Industrial PLC and DCS systems requiring legacy counter modules
- Batch control and recipe-based production systems
















