Beckhoff ET1200 User Manual Page 17

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Features and Registers
Slave Controller ET1200 Hardware Description III-7
2.2 Register Overview
An EtherCAT Slave Controller (ESC) has an address space of 64 Kbyte. The first block of 4 Kbyte
(0x0000:0x0FFF) is dedicated for registers. The process data RAM starts at address 0x1000, its size
is 1 Kbyte (end address 0x13FF).
Table 7 gives an overview of the available registers.
Table 6: Legend
Symbol
Description
x
Available
-
Not available
Table 7: Register Overview
Address
Length
(Byte)
Description
ET1200
0x0000
1
Type
x
0x0001
1
Revision
x
0x0002:0x0003
2
Build
x
0x0004
1
FMMUs supported
x
0x0005
1
SyncManagers supported
x
0x0006
1
RAM Size
x
0x0007
1
Port Descriptor
x
0x0008:0x0009
2
ESC Features supported
x
0x0010:0x0011
2
Configured Station Address
x
0x0012:0x0013
2
Configured Station Alias
x
0x0020
1
Write Register Enable
x
0x0021
1
Write Register Protection
x
0x0030
1
ESC Write Enable
x
0x0031
1
ESC Write Protection
x
0x0040
1
ESC Reset ECAT
x
0x0041
1
ESC Reset PDI
-
0x0100:0x0101
2
ESC DL Control
x
0x0102:0x0103
2
Extended ESC DL Control
x
0x0108:0x0109
2
Physical Read/Write Offset
x
0x0110:0x0111
2
ESC DL Status
x
0x0120
5 bits
[4:0]
AL Control
x
0x0120:0x0121
2
AL Control
x
0x0130
5 bits
[4:0]
AL Status
x
0x0130:0x0131
2
AL Status
x
0x0134:0x0135
2
AL Status Code
x
0x0138
1
RUN LED Override
-
0x0139
1
ERR LED Override
-
0x0140
1
PDI Control
x
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