Delta AS500 motion CPU / AS516E-B

AS516E-B: AS500 motion CPU with 20 MB program capacity and EtherCAT motion network. Motion axes and total real axes including P2P are recorded separately. Confirm supported Delta drives, configuration and current supply before ordering.

Manufacturer part number: AS516E-B
Brand: Delta
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: Delta AS500
Program capacity: 20 MB
Data capacity: 20 MB
Digital inputs: 16
Digital outputs: 8
Output method: NPN transistor
Programming languages: Ladder Diagram (LD); Structured Text (ST)
Maximum extension modules: 32 total; maximum 16 analog modules
Encoder interface: 2 incremental / 1 SSI absolute
Motion network: EtherCAT
Total axes (real + virtual): 32
Total real axes (motion + P2P): 16
Motion axes: 16
Connectable devices: 64
Motion network compatibility: Delta drives only, per manufacturer table footnote; configuration and firmware requirements must be checked
Built-in communication: USB, Ethernet, RS-232, RS-485, EtherCAT, CANopen
Pulse output: Not provided in manufacturer table
Supply voltage: 24 VDC +/-10% (CPU)
Document pages: PDF 33, 53
Current lifecycle status: Not established by historical catalogue; confirm separately

Manufacturer technical catalog · AS / AX-3 Series / DELTA_IA-PLC_AS_C_EN_20240812 · en · PDF · DELTA_IA-PLC_AS_C_EN_20240812Manufacturer source: Delta · Model explicitly covered in family document · Covered models: AS516E-B · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.