BECKHOFF BC3100 User Manual
Page 40
PROFIBUS bus terminal controller BC3100
40
BC3100
Bus coupler
(Slot_Number: 0)
Bus controller data are addressed via Slot_Number 0. The following
Indexes are thus defined:
Index Read
0x00
Reserved for AMS
0x01-0x03
Table 9: Terminal designations (Length = 2 – 48 bytes):
Index 1: Register 0- 23
Index 2: Register 24 – 47
Index 3: Register 48 – 64
0x21
Cycle times of the PLC (Length = 8 bytes):
Word 0: minimum cycle time (in 1/125 ms)
Word 1: maximum cycle time (in 1/125 ms)
Word 2: actual cycle time (in 1/125 ms)
Word 3: average cycle time (in 1/125 ms)
0x80 – 0x8A
PLC outputs (Length = 1 – 48 bytes):
Index 0x80: Offset 0 – 47
Index 0x81: Offset 48 – 95
Index 0x82: Offset 96 – 143
Index 0x83: Offset 144 – 191
Index 0x84: Offset 192 – 239
Index 0x85: Offset 240 – 287
Index 0x86: Offset 288 – 335
Index 0x87: Offset 336 – 383
Index 0x88: Offset 384 – 431
Index 0x89: Offset 432 – 479
Index 0x8A: Offset 480 – 511
0x90 – 0x9A
PLC inputs (Length = 1 – 48 bytes):
Index 0x80: Offset 0 – 47
Index 0x81: Offset 48 – 95
Index 0x82: Offset 96 – 143
Index 0x83: Offset 144 – 191
Index 0x84: Offset 192 – 239
Index 0x85: Offset 240 – 287
Index 0x86: Offset 288 – 335
Index 0x87: Offset 336 – 383
Index 0x88: Offset 384 – 431
Index 0x89: Offset 432 – 479
Index 0x8A: Offset 480 – 511
0xA0 – 0xAA
PLC flag (Length = 1 – 48 bytes):
Index 0x80: Offset 0 – 47
Index 0x81: Offset 48 – 95
Index 0x82: Offset 96 – 143
Index 0x83: Offset 144 – 191
Index 0x84: Offset 192 – 239
Index 0x85: Offset 240 – 287
Index 0x86: Offset 288 – 335
Index 0x87: Offset 336 – 383
Index 0x88: Offset 384 – 431
Index 0x89: Offset 432 – 479
Index 0x8A: Offset 480 – 511