1 address space overview, Section ii, Register description – BECKHOFF EtherCAT Registers Section II User Manual
Page 13: Register overview and detailed description, Address space overview, Table 1: esc address space
Address Space Overview
Slave Controller
– Register Description
II-1
1
Address Space Overview
An EtherCAT Slave Controller (ESC) has an address space of 64KByte. The first block of 4KByte
(0x0000:0x0FFF) is dedicated for registers. The Process Data RAM starts at address 0x1000, its size
depends on the ESC. The availability of the registers depends on the ESC.
Table 1: ESC address space
Address
1
Length
(Byte)
Description
1
1
2
1
1
1
1
2
2
2
1
1
1
1
1
ESC Reset ECAT
1
4
2
2
2
2
2
1
1
PDI / ESC Configuration
1
1
ESC Configuration
2
1
1
SYNC/LATCH[1:0] PDI Configuration
2
1
Address areas not listed here are reserved. They are not writable. Read data from reserved addresses has to be
ignored. Reserved addresses must not be written.