BECKHOFF KL3311 - Manual (Page 20)

Appendix
18 KL3311, KL3312, KL3314 and KL3302
KL3312 (KL3302)
Conditions
Word offset High byte Low byte
Complete evaluation: no 0 Ch0 D1 Ch0 D0
Motorola format: no 1 Ch1 D1 Ch1 D0
Word alignment: any 2 - -
Default mapping for:
CANopen, CANCAL,
DeviceNet, ControlNet,
Modbus, RS232, RS485
3 - -
Conditions
Word offset High byte Low byte
Complete evaluation: no 0 Ch0 D0 Ch0 D1
Motorola format: yes 1 Ch1 D0 Ch1 D1
Word alignment: any 2 - -
Default mapping for:
PROFIBUS, Interbus
3 - -
Conditions
Word offset High byte Low byte
Complete evaluation: yes 0 Ch0 D0 Ch0 CB/SB
Motorola format: no 1 Ch1 CB/SB Ch0 D1
Word alignment: no 2 Ch1 D1 Ch1 D0
3 - -
Conditions
Word offset High byte Low byte
Complete evaluation: yes 0 Ch0 D1 Ch0 CB/SB
Motorola format: yes 1 Ch1 CB/SB Ch0 D0
Word alignment: no 2 Ch1 D0 Ch1 D1
3 - -
Conditions
Word offset High byte Low byte
Complete evaluation: yes 0 res. Ch0 CB/SB
Motorola format: no 1 Ch0 D1 Ch0 D0
Word alignment: yes 2 res. Ch1 CB/SB
Default mapping for:
Lightbus, Ethernet,
EtherCAT and
Bus Terminal Controller
(BCxxxx, BXxxxx)
3 Ch1 D1 Ch1 D0
Conditions
Word offset High byte Low byte
Complete evaluation: yes 0 res. Ch0 CB/SB
Motorola format: yes 1 Ch0 D0 Ch0 D1
Word alignment: yes 2 res. Ch1 CB/SB
3 Ch1 D0 Ch1 D1
Legend Complete
evaluation:
The terminal is mapped with control and status byte.
Motorola format:
Motorola or Intel format can be set.
Word alignment:
The terminal is at word limit in the Bus Coupler.
Ch n SB: status byte for channel n (appears in the input process image).
Ch n CB: control byte for channel n (appears in the output process image).
Ch n D0: channel n, data byte 0 (byte with the lowest value)
Ch n D1: channel n, data byte 1 (byte with the highest value)
"-": This byte is not used or occupied by the terminal.
res.: reserved:
This byte occupies process data memory, although it is not used.