Lenze DDS System bus CAN for PLC - Manual (Page 124)

System bus (CAN) for Lenze PLC devices
FIF−CAN system blocks
8.3 FIF_CAN3_IO (node number: 36)
8−1
L
PLC−Systembus EN 2.0
8.3 FIF_CAN3_IO (node number: 36)
This SB serves to the transmission of event− or time−controlled process data via the function interface
of the Drive PLC.
·
The setting of the transmission mode (event− or time−controlled) is effected via C2456. ( ^ 5−6)
·
A sync telegram is not required.
FIF_CAN3_nInW1_a
FIF_CAN3_nInW2_a
FIF_CAN3_bInB _b 0...15
FIF_CAN3_bInB _b 16...31
FIF System bus interface
Byte
7
8
5
6
3
4
1
2
Byte
7
8
5
6
3
4
1
2
FIF_CAN3_nOutW1_a
FIF_CAN3_nOutW2_a
FIF_CAN3_nOutW3_a
FIF_CAN3_bFDO _b 16...31
FIF_CAN3_dnOutD1_p
FIF_CAN3_IO
DINT
WORD
WORD
WORD
16 x BOOL
DINT
Output user data
(8 bytes)
Input user data
(8 bytes)
L
H
L
H
FIF_CAN3_bFDO _b 0...15
16 x BOOL
FIF_CAN3_nOutW4_a WORD
WORD
WORD
16 x BOOL
16 x BOOL
FIF_CAN3_nInW3_a
FIF_CAN3_nInW4_a
WORD
WORD
FIF_CAN3_dnInD1_p
C2493/8
C2493/9
C2493/10
C2493/11
C2492/8
C2492/9
C2492/5
C2491/6
C2492/10
C2492/11
Fig. 8−3 FIF_CAN3_IO system block
Tip!
Via code C2457/3 you can set the monitoring time for the data reception. (Lenze setting: 3000 ms)
·
Further information on this subject can be found in chapter 5.10.1. ( ^ 5−9)