1771-WS | Allen-Bradley | Weigh Scale Module

Description

• Manufacturer: Rockwell Automation
• Part Number: 1771-WS
• Product Type: Weigh Scale Module
• Brand: Allen-Bradley
• Series: PLC 5

Specifications

• Input Power: 5 V DC
• Backplane Current: 1.5 A
• Output Voltage: 10 V DC ±5%
• Max Output Power: 1.5 W
• Frequency: 0.25 Hz
• Common Mode Rejection: 100 dB
• Compatible I/O Chassis: 1771-A1B, -A2B, -A3B, -A3B1, -A4B, 1771-AM1, -AM2
• Weight: 1.6 lbs
• Operating Temperature: 0 to 60°C
• Storage Temperature: -40 to 85°C
• Humidity: 0 to 90%, non-condensing

Function & Operation

• Primary Use: Receives and reads values from industrial load cells
• Supported Load Cells: Up to 8 load cells with external power supply
• Data Transfer: Calibration values block-transferred to PLC-5 processor
• Power Supply: 5 V DC ±5% with 40 V DC backplane input voltage

Installation & Safety

• Electrostatic Discharge (ESD): Handle from the front using a grounding device or after touching a grounded object
• Indicator Lights:
  • Red/Green LEDs: Indicate Run/Fault and Calibrate/Communication status

Additional Notes

• Temperature Range: Suitable for both operational and storage conditions
• Chassis Compatibility: Must be installed in compatible I/O chassis