Allen Bradley AB 8 Axis Sercos Interface Module 1756-M08SE /B

The Allen-Bradley 1756-M08SE is a ControlLogix SERCOS interface module designed to facilitate high-speed, real-time communication between a ControlLogix controller and SERCOS-compatible servo drives. This module supports up to eight axes, enabling precise control over multiple drives in complex motion control applications.

Key Features

• Drive Control Modes: Supports position, velocity, and torque control modes, offering flexibility for various motion control requirements.
• Data Rates: Operates at SERCOS data rates of 4 Mbps and 8 Mbps, ensuring rapid and reliable communication.
• Cycle Times:
  • At 4 Mbps:
  • 0.5 ms for up to 2 drives
  • 1 ms for up to 4 drives
  • 2 ms for up to 8 drives
  • At 8 Mbps:
  • 0.5 ms for up to 4 drives
  • 1 ms for up to 8 drives
  • 2 ms for up to 16 drives
• Compatibility: Integrates seamlessly with various Kinetix and Ultra3000 servo drives, including:
• 2093 Kinetix 2000
• 2094 Kinetix 6000
• 2099 Kinetix 7000
• 2098 Ultra3000 SERCOS

Technical Specifications

• Manufacturer: Rockwell Automation
• Part Number: 1756-M08SE
• Module Type: SERCOS Interface Module
• Axes per Module: 8
• Axes per Controller: 32
• Backplane Current:
  • 5V DC: 760 mA
  • 24V DC: 2.5 mA
• Power Dissipation: 5.0 Watts
• Thermal Dissipation: 21.2 BTU/hour
• Isolation Voltage: 50 Volts Continuous
• Operating Temperature: 0°C to 60°C
• Storage Temperature: -40°C to 85°C
• Relative Humidity: 5% to 95% non-condensing
• Vibration: 2 g at 10 to 500 Hz
• Operating Shock: 30 g
• Non-Operating Shock: 50 g

Installation and Compatibility

The 1756-M08SE module is designed for direct installation into a 1756 ControlLogix chassis. Compatible chassis models include:

• 1756-A4
• 1756-A7
• 1756-A10
• 1756-A13
• 1756-A17

It supports both standard and redundant power supplies, such as:

• Standard:
• 1756-PA72/C
• 1756-PA75/B
• 1756-PB72/C
• 1756-PB75/B
• 1756-PC75/B
• 1756-PH75/B
• Redundant:
• 1756-PA75R
• 1756-PB75R
• 1756-PSCA2

For high-speed communication, the module utilizes plastic fiber optic cables, including:

• 2090-SCEPxx-0 (non-jacketed, chlorinated polyethylene)
• 2090-SCVPxx-0 (standard jacket, polyvinyl chloride)
• 2090-SCNPxx-0 (nylon jacket)
• 2090-SCVGxx-0 (standard jacket, polyvinyl chloride glass fiber optic cables)

The Allen-Bradley 1756-M08SE module is a robust solution for integrating multiple servo drives into a ControlLogix system, offering high-speed communication and versatile control modes to meet diverse industrial automation needs.