98
SI-Ethernet User Guide
Issue: 3
6.1.7
Menu 20 – EtherNet/IP Set-up
The Ethernet interface supports the EtherNet/IP protocol and conforms to the EtherNet/IP
adaptation of the Common Industrial Protocol (CIP) Specification. This is the same upper-layer
protocol and object model as used in DeviceNet.
The Ethernet interface will operate as a slave device and the following functionality is supported.
•
Variable length input assembly object (instance 100) with consistency for up to 32
parameters
•
Variable length output assembly object (instance 101) with consistency for up to 32
parameters
•
User selectable RPI timeout action
•
Identity object (class 0x01)
•
Motor data object (class 0x28)
•
Control supervisor object (class 0x29)
•
AC/DC Drive object (class 0x2A)
•
Control Techniques objects (classes 0x64 to 0x69)
•
Explicit (non-cyclic) access to parameters
EtherNet/IP server port
The Ethernet interface uses the standard server port 44818 (0xAF12) for EtherNet/IP
communications, this is fixed and cannot be changed.
Parameter Update Rate
Parameters are exchanged over the network. The value exchanged over the network must be
exchanged with the drive or option parameter. The rate of data exchange differs for drive and option
destinations.
The diagram below depicts the update cycles used within the Ethernet interface. CIP assembly
mappings being exchanged with the drive will be updated at the background task rate. This rate
(
Background cycles per second
(
S.09.008
)) varies with the load on the Ethernet interface; Easy
Mode non-synchronized data exchange also takes place in the background task.
S
y
n
c
hr
o
n
ous
Cyclic Li
n
ks
Cyclic Li
n
ks
Backg
r
ou
n
d
Task
500 µs
O
P
T
I
O
N
S
D
R
I
V
E
>=500 µs
N
et
wo
r
k
>=
1
ms
Содержание Unidrive M600
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