The 440R-S845AER-NNL
The 440R-S845AER-NNL is a Guardmaster MSR57P Speed Monitoring Safety Relay from Allen-Bradley, a Rockwell Automation company. This safety relay is designed for motion applications that require interaction by personnel during operation. It is used for standstill detection on single and three phase motors without the need for sensors.
Technical Specifications
- Input Current: 11 mA per input, maximum. The aggregate current of MSR57P, maximum, is 10.4 A at terminal A1, 13 MP outputs, 14, 24, SLS outputs 68, 78.
- Short-circuit Protection: The relay is short-circuit protected at 2 A for 24V DC and 50 mA for 24V DC for the SLS_status output Y35 and Fault_status output Y37.
- Output Current: The output Y1 is short-circuit protected at 20 mA for 24V DC.
Alarm/Error Codes
The documentation provided does not specify alarm or error codes for this product. It focuses on installation, firmware updates, and technical specifications.
User Manuals
The user manual for the MSR57P Speed Monitoring Safety Relay is available in the form of installation instructions and release notes for firmware updates. These documents provide detailed information on the installation process and troubleshooting procedures.
Troubleshooting
Troubleshooting procedures are detailed in the installation instructions and release notes for firmware updates. These documents provide step-by-step guides for resolving common issues and troubleshooting techniques.
Programming
The programming of the MSR57P Speed Monitoring Safety Relay is not explicitly detailed in the provided documentation. However, it is likely that the relay can be programmed using specialized software or configuration tools provided by Rockwell Automation.
Installation
The installation of the MSR57P Speed Monitoring Safety Relay is detailed in the installation instructions. These instructions cover topics such as system layout, wiring, and environmental specifications.
Environmental Specifications
- Temperature: Operating temperature range is -5°C to 55°C (23°F to 131°F).
- Relative Humidity: The relay operates in a non-condensing environment with a relative humidity of up to 90%.
- Vibration: The relay is designed to withstand vibrations of 10 to 55 Hz with a displacement of 0.35 mm (0.1 in.).
- Shock: The relay is designed to withstand shocks of 10 g, 16 ms, and 100 shocks.
- ESD Immunity: The relay has an electrostatic discharge (ESD) immunity of 4 kV contact discharges and 8 kV air discharges.
Additional Information
The MSR57P Speed Monitoring Safety Relay is designed for use in safety-related control systems of machines. It is intended to monitor the speed of motors and prevent accidents by ensuring that the motor does not exceed a predetermined speed during operation.
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