- Series B SERCOS interface supporting position, velocity, and torque commands for up to eight drives
- Supports documented 4 Mbps and 8 Mbps rings with update periods matched to the installed drive count
- Uses one ControlLogix chassis slot with 5 W maximum power dissipation
1756-M08SE is an Allen-Bradley ControlLogix SERCOS interface module for motion systems containing no more than eight compatible drives.
A full eight-drive configuration can operate at 4 Mbps with a 2 ms update period or at 8 Mbps with a 1 ms or 2 ms update period; shorter periods reduce the supported drive count.
Before replacement, record the Series B identity, ring order, fiber type, data rate, update period, axis-to-drive associations, firmware, and accepted Logix project.
Availability, condition, price, and shipping time for 1756-M08SE are confirmed during quotation.
Allen-Bradley 1756-M08SE ControlLogix SERCOS Servo Module Manuals, Datasheets, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Use a 2 ms update period when all eight drives operate on a 4 Mbps SERCOS ring
- At 8 Mbps, an eight-drive ring supports documented 1 ms or 2 ms update periods
- A 0.5 ms update period reduces the limit to two drives at 4 Mbps or four drives at 8 Mbps
- Confirm the exact Kinetix 2000, Kinetix 6000, Kinetix 7000, or Ultra3000 SERCOS drive catalog before connection
- Match the installed plastic or glass fiber cable and connectors to the approved SERCOS components
- Record the complete drive order and verify optical continuity around the ring before commissioning
- Restore each 1756-M08SE axis association and its documented position, velocity, or torque command mode
- Confirm drive scaling, feedback direction, limits, homing, and fault actions from the accepted project
- Commission one axis at a time before testing coordinated motion across the complete SERCOS ring
- Kinetix 2000 or Kinetix 6000 multi-axis systems using no more than eight SERCOS drives
- Kinetix 7000 high-power servo systems operating within the documented ring capacity
- Ultra3000 SERCOS systems requiring position, velocity, or torque command coordination