System bus (CAN) with Servo PLC & Drive PLC
System blocks
6.2 CAN1_IO (Drive PLC)
6-8
L
PLC-Systembus EN 1.1
6.2.2 Outputs_CAN1
System bus outputs “CAN1_OUT” (module number: 31)
This SB is used to transmit cyclic process data via the system bus.
• Before data is transmitted, a Sync telegram must have been received. This telegram must be
generated by another bus participant.
(^ 2-8)
Outputs_CAN1
SYSTEMBUS
C0136/2
...
Byte
1
Byte
2
Byte
3
Byte
4
Byte
5
Byte
6
Byte
7
Byte
8
C0868/1
...
C0868/2
16 Bit
...
16 binary
signals
16 Bit
LowWord
16 Bit
HighWord
C0868/3
16 Bit
...
16 binary
signals
C0869/1
16 Bit
16 binary
signals
16 Bit
16 binary
signals
CAN1_nOutW1_a
CAN2_nOutW2_a
CAN1_nOutW3_a
CAN1_bFDO32_b
CAN1_bFDO47_b
CAN1_bFDO48_b
CAN1_bFDO63_b
CAN1_dnOutD1_p
CAN1_nOutW0_a
CAN1_bFDO0_b
CAN1_bFDO15_b
CAN1_bFDO16_b
CAN1_bFDO31_b
X5
Fig. 6-4 Outputs_CAN1
VariableName
DataType SignalType Address DIS DIS format Note
CAN1_nOutW0_a %QW31.0 - -
CAN1_nOutW1_a
%QW31.1 C0868/1
CAN1_nOutW2_a
In
eger analog
%QW31.2 C0868/2
dec [%]
CAN1_nOutW3_a %QW31.3 C0868/3
CAN1_bFDO 0 _b %QX31.0. 0
.. ..
CAN1_bFDO 15 _b %QX31.0. 15
CAN1_bFDO 16 _b %QX31.1. 0
.. ..
CAN1_bFDO 31 _b
%QX31.1. 15
Dis
la
code in hex
CAN1_bFDO 32 _b
Bool binary
%QX31.2. 0
- hex
as a double word
.. ..
CAN1_bFDO 47 _b %QX31.2. 15
CAN1_bFDO 48 _b %QX31.3. 0
.. ..
CAN1_bFDO 63 _b %QX31.3. 15
CAN1_dnOutD1_p Double integer position %QD31.1 C0869/1 dec [inc]