BECKHOFF EtherCAT Registers Section II - Manual (Page 36)

PDI Control (0x0140)
II-24 Slave Controller – Register Description
3.25 PDI Control (0x0140)
Table 29: Register PDI Control (0x0140)
ESC20 ET1100 ET1200 IP Core
Bit Description ECAT PDI Reset Value
7:0 Process data interface:
0x00: Interface deactivated (no PDI)
0x01: 4 Digital Input
0x02: 4 Digital Output
0x03: 2 Digital Input and 2 Digital Output
0x04: Digital I/O
0x05: SPI Slave
0x06: Oversampling I/O
0x07: EtherCAT Bridge (port 3)
0x08: 16 Bit asynchronous Microcontroller
interface
0x09: 8 Bit asynchronous Microcontroller
interface
0x0A: 16 Bit synchronous Microcontroller
interface
0x0B: 8 Bit synchronous Microcontroller
interface
0x10: 32 Digital Input and 0 Digital Output
0x11: 24 Digital Input and 8 Digital Output
0x12: 16 Digital Input and 16 Digital Output
0x13: 8 Digital Input and 24 Digital Output
0x14: 0 Digital Input and 32 Digital Output
0x80: On-chip bus
Others: Reserved
r/- r/- IP Core: Depends on
configuration
Others: 0, later
EEPROM ADR 0x0000