Siemens SINAMICS DCM Manual página 726

Control Unit (Address p8836 = 1)
SINAMICS Link proj SINAMICS Link cl c CBE20 FW sel
p8811 p8812[0...1]
Configuration
[2198]
Drive object x
Send data
p8851[0]
<5>
(0)
p8861[0]
p8851[1]
(0)
(0)
p8861[1]
p8851[2]
(0)
(0)
[2200]
<4>
Receive data
<5>
PZD 1
r8850[0]
r8860[0]
PZD 2
r8850[1]
r8860[1]
PZD 3
r8850[2]
[2199]
PZD n
<4>
<1> A send word can only be assigned once.
<2> A node cannot receive its own transmit data.
<3> The following applies for the node address: Address 1 must be provided and gaps are not permissible.
<4> The number of process data n (PZD) depends on the drive object.
<5> Send/receive via Interface 1 (p8839[0] = 2
Send/receive via Interface 2 (p8839[1] = 2
1 2
DO: CU_G, CU_MV, CU_S
Control Unit communication - SINAMICS Link overview (r0108.31 = 1, p8835 = 3)
SINAMICS Link add PZD IF HW assign
p8835 p8836 p8839[0...1]
<3>
<1>
Send buffer
Word
PZD 1
1
p8871[0] = 1
2
3
PZD 2
p8871[1] = 4 4
5
...
PZD 3
p8871[2] = 5
32
PZD n
<2>
Receive buffer
Word
Address
1 1
p8872[0] = 2 p8870[0] = 1
2 2
3 3
p8872[1] = 2 p8870[1] = 3 4 4
5 5
... ...
p8872[2] = 3 p8870[2] = 4
32 32
1 2
Node
SINAMICS Link (Ethernet)
p2051, p2061/r2050, r2060).
p8851, p8861/r8850, r8860).
3 4
Control Unit (Address p8836 = 2)
1
2
3
Word
4
p8871[0] = 1
5
...
32
p8871[1] = 3
CBE20
1 1 1
2 2 2
Word
3 3 3
p8870[0] = 1
4 4 4
5 5 5
p8870[1] = 4
... ... ...
32 32 32
1 2 3
Node
CBE20
Control Unit (Address p8836 = 3)
1
2
3
4
1
5
2
...
3
Word
32
4
p8871[0] = 4
3
5
...
32
p8871[1] = 0
CBE20
1 1 1
2 2 2
Word
3 3 3
p8870[0] = 1
4 4 4
5 5 5
... ... ... p8870[1] = 3
32 32 32
1 2 3
Node
5
fp_2197_51_eng.vsd
16.09.14 V01.05.00
p0115[0] (Drive Object)
Configuration
p8851[0]
(0)
PZD 1
p8861[0]
p8851[1]
(0)
(0)
PZD 2
PZD n
Address
PZD 1
p8872[0] = 1 r8850[0]
r8860[0]
PZD 2
p8872[1] = 3 r8850[1]
PZD n
Configuration
p8851[0]
(0)
PZD 1
p8861[0]
p8851[1]
(0)
(0)
PZD 2
PZD n
Address
PZD 1
p8872[0] = 1 r8850[0]
r8860[0]
PZD 2
p8872[1] = 2 r8850[1]
PZD n
CBE20: Communication Board Ethernet 20
6 7
Function diagram
SINAMICS
8
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